Market snapshot: Oct 21, 2026, 3:00 AM UTC. Prices may have changed since this snapshot.

GroupKALSHI

Event GroupKALSHIFinancials

Nasdaq-100 price range on Oct 21, 2026 at 4pm EDT?

Reported volume

K 0 contracts

Events

Markets

Trade on Kalshi

Nasdaq-100 price range on Oct 21, 2026 at 4pm EDT?

Vol

K 0 contracts

Events

Markets

Kalshi

Current odds

Snapshot from Oct 21, 2026, 3:00 AM UTC

As of Oct 21, 2026, 3:00 AM UTC, the highest-priced outcome on Kalshi is 29,800 to 29,899.99 at 13%.

Kalshi

29,800 to 29,899.9913%
29,700 to 29,799.9913%
29,600 to 29,699.9912.5%
29,900 to 29,999.9912%
29,500 to 29,599.9912%

Yes prices. They are not order quotes; check each platform's rules, fees and live prices before trading.

Price ChartContract price history

30 markets tracked

Historical observations can differ from current quotes. Kalshi points are hourly trade averages.

Saved prices are comparisons, not executable quotes. A price difference does not establish arbitrage. Check both contracts, live order prices, fees and available size.

Will the Nasdaq-100 be between 29800 and 29899.9900 at the end of Oct 21, 2026 at 4pm EDT?

No data available

Single-Platform Markets(30)

Market	Platform	Price
Will the Nasdaq-100 be between 29800 and 29899.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	13.0%
Will the Nasdaq-100 be between 29700 and 29799.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	13.0%
Will the Nasdaq-100 be between 29600 and 29699.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	12.5%
Will the Nasdaq-100 be between 29900 and 29999.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	12.0%
Will the Nasdaq-100 be between 29500 and 29599.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	12.0%
Will the Nasdaq-100 be between 30000 and 30099.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	11.0%
Will the Nasdaq-100 be between 30100 and 30199.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	10.5%
Will the Nasdaq-100 be between 29400 and 29499.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	10.5%
Will the Nasdaq-100 be between 29200 and 29299.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	10.0%
Will the Nasdaq-100 be between 29100 and 29199.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	10.0%
Will the Nasdaq-100 be between 28900 and 28999.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	10.0%
Will the Nasdaq-100 be between 28700 and 28799.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	10.0%
Will the Nasdaq-100 be above 30899.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	9.5%
Will the Nasdaq-100 be between 30700 and 30799.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	8.5%
Will the Nasdaq-100 be between 29300 and 29399.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	8.5%
Will the Nasdaq-100 be between 29000 and 29099.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	8.5%
Will the Nasdaq-100 be between 30200 and 30299.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	8.0%
Will the Nasdaq-100 be between 28800 and 28899.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	8.0%
Will the Nasdaq-100 be between 30800 and 30899.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	7.5%
Will the Nasdaq-100 be between 30300 and 30399.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	7.5%
Will the Nasdaq-100 be between 28500 and 28599.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	7.5%
Will the Nasdaq-100 be between 30600 and 30699.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	6.5%
Will the Nasdaq-100 be between 28600 and 28699.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	6.0%
Will the Nasdaq-100 be between 30500 and 30599.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	5.5%
Will the Nasdaq-100 be between 30400 and 30499.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	5.5%
Will the Nasdaq-100 be between 28400 and 28499.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	5.5%
Will the Nasdaq-100 be between 28300 and 28399.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	1.0%
Will the Nasdaq-100 be between 28200 and 28299.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	1.0%
Will the Nasdaq-100 be below 28100 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	0.5%
Will the Nasdaq-100 be between 28100 and 28199.9900 at the end of Oct 21, 2026 at 4pm EDT?	Kalshi	0.5%

Rules & Resolution

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Needs review: no direct pair assessment is available.

A saved event match does not establish identical settlement. Pair reviews appear with each price comparison.

AI Analysis

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K 0 contracts

Reported volume · provider units

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Same-question pairs

Source snapshot: Oct 21, 2026, 3:00 AM UTC

About This Event

On Oct 21, 2026 at 4pm EDT If the end-of-day Nasdaq 100 index value on October 21, 2026 is X Y then the market resolves to Yes. The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026. Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

AI-generated analysis based on market data. Not financial advice.

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Event: Nasdaq-100 price range on Oct 21, 2026 at 4pm EDT?
Source snapshot: Oct 21, 2026, 3:00 AM UTC
Reported event volume (provider units): K 0 contracts
Coverage: 30 of 30 saved contracts included.
Prices are saved observations, not executable quotes. Listed close dates do not promise settlement or payout time.

Contract: Will the Nasdaq-100 be above 30899.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-T30899.9900; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 9.5%; 24h change unavailable
Outcome No: 90.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is above 30899.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be below 28100 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-T28100; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is below 28100, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 30800 and 30899.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B30850; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 7.5%; 24h change unavailable
Outcome No: 92.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 30800 and 30899.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 30700 and 30799.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B30750; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 8.5%; 24h change unavailable
Outcome No: 91.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 30700 and 30799.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 30600 and 30699.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B30650; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 6.5%; 24h change unavailable
Outcome No: 93.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 30600 and 30699.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 30500 and 30599.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B30550; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 5.5%; 24h change unavailable
Outcome No: 94.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 30500 and 30599.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 30400 and 30499.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B30450; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 5.5%; 24h change unavailable
Outcome No: 94.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 30400 and 30499.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 30300 and 30399.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B30350; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 7.5%; 24h change unavailable
Outcome No: 92.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 30300 and 30399.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 30200 and 30299.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B30250; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 8.0%; 24h change unavailable
Outcome No: 92.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 30200 and 30299.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 30100 and 30199.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B30150; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 10.5%; 24h change unavailable
Outcome No: 89.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 30100 and 30199.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 30000 and 30099.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B30050; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 11.0%; 24h change unavailable
Outcome No: 89.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 30000 and 30099.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 29900 and 29999.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B29950; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 12.0%; 24h change unavailable
Outcome No: 88.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 29900 and 29999.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 29800 and 29899.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B29850; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 13.0%; 24h change unavailable
Outcome No: 87.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 29800 and 29899.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 29700 and 29799.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B29750; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 13.0%; 24h change unavailable
Outcome No: 87.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 29700 and 29799.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 29600 and 29699.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B29650; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 12.5%; 24h change unavailable
Outcome No: 87.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 29600 and 29699.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 29500 and 29599.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B29550; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 12.0%; 24h change unavailable
Outcome No: 88.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 29500 and 29599.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 29400 and 29499.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B29450; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 10.5%; 24h change unavailable
Outcome No: 89.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 29400 and 29499.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 29300 and 29399.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B29350; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 8.5%; 24h change unavailable
Outcome No: 91.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 29300 and 29399.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 29200 and 29299.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B29250; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 10.0%; 24h change unavailable
Outcome No: 90.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 29200 and 29299.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 29100 and 29199.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B29150; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 10.0%; 24h change unavailable
Outcome No: 90.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 29100 and 29199.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 29000 and 29099.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B29050; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 8.5%; 24h change unavailable
Outcome No: 91.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 29000 and 29099.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 28900 and 28999.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B28950; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 10.0%; 24h change unavailable
Outcome No: 90.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 28900 and 28999.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 28800 and 28899.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B28850; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 8.0%; 24h change unavailable
Outcome No: 92.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 28800 and 28899.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 28700 and 28799.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B28750; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 10.0%; 24h change unavailable
Outcome No: 90.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 28700 and 28799.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 28600 and 28699.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B28650; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 6.0%; 24h change unavailable
Outcome No: 94.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 28600 and 28699.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 28500 and 28599.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B28550; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 7.5%; 24h change unavailable
Outcome No: 92.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 28500 and 28599.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 28400 and 28499.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B28450; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 5.5%; 24h change unavailable
Outcome No: 94.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 28400 and 28499.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 28300 and 28399.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B28350; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 1.0%; 24h change unavailable
Outcome No: 99.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 28300 and 28399.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 28200 and 28299.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B28250; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 1.0%; 24h change unavailable
Outcome No: 99.0%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 28200 and 28299.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Contract: Will the Nasdaq-100 be between 28100 and 28199.9900 at the end of Oct 21, 2026 at 4pm EDT?
Provider: kalshi; ID: kalshi-KXNASDAQ100-26OCT21H1600-B28150; status: active
Source: https://kalshi.com/markets/kxnasdaq100-26oct21h1600
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 11:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 0.5%; 24h change unavailable
Outcome No: 99.5%; 24h change unavailable
Saved rules: If the end-of-day Nasdaq 100 index value on October 21, 2026 is between 28100 and 28199.9900, then the market resolves to Yes. Secondary rules: The market will close on October 21, 2026. The market will expire at the sooner of the first release of the data, or one week after October 21, 2026.

Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

Saved cross-platform review:
No exact pair with two valid binary Yes prices is available for comparison.

Explain the named outcomes, material rule/deadline differences, and evidence limits. Keep Polymarket dollar volume separate from Kalshi contract counts. Do not average unrelated contracts, infer missing prices or changes, or describe unreviewed/related pairs as equivalent. Distinguish listed prices from executable bid/ask prices, fees and available size. Do not invent current news, confidence scores or settlement guarantees. Cite the provided source links and identify what further evidence would be needed.

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AI-written background. References identify the evidence used; Wikipedia links under Learn More are additional reading. Prices and provider rules are dated snapshots. This is not financial advice.

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