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

GroupKALSHI

Event GroupKALSHISports

Kansas City vs Seattle: 1st Half Spread

Reported volume

K 0 contracts

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Kansas City vs Seattle: 1st Half Spread

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 Seattle wins by over 2.5 points at 47%.

Kalshi

Seattle wins by over 2.5 points47%
Seattle wins by over 3.5 points39.5%
Kansas City wins by over 2.5 points36.5%
Seattle wins by over 4.5 points34.5%
Seattle wins by over 6.5 points29.5%

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

Price ChartContract price history

14 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.

Seattle wins 1H by over 2.5 points?

No data available

Single-Platform Markets(14)

Market	Platform	Price
Seattle wins 1H by over 2.5 points?	Kalshi	47.0%
Seattle wins 1H by over 3.5 points?	Kalshi	39.5%
Kansas City wins 1H by over 2.5 points?	Kalshi	36.5%
Seattle wins 1H by over 4.5 points?	Kalshi	34.5%
Seattle wins 1H by over 6.5 points?	Kalshi	29.5%
Kansas City wins 1H by over 3.5 points?	Kalshi	29.5%
Kansas City wins 1H by over 4.5 points?	Kalshi	24.5%
Seattle wins 1H by over 7.5 points?	Kalshi	23.0%
Kansas City wins 1H by over 6.5 points?	Kalshi	21.0%
Seattle wins 1H by over 9.5 points?	Kalshi	20.5%
Kansas City wins 1H by over 7.5 points?	Kalshi	15.5%
Seattle wins 1H by over 10.5 points?	Kalshi	15.0%
Kansas City wins 1H by over 9.5 points?	Kalshi	13.0%
Kansas City wins 1H by over 10.5 points?	Kalshi	11.0%

Rules & Resolution

Saved matching review

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

Trader mode: Market mechanics, assumptions and risks

K 0 contracts

Reported volume · provider units

Saved contracts

Same-question pairs

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

About This Event

KC vs SEA (Oct 25) If Seattle wins by more than X points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Only points scored during the 1st half of play count towards this market. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. This market will close and expire after the event occurs.

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

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Event: Kansas City vs Seattle: 1st Half Spread
Source snapshot: Oct 21, 2026, 3:00 AM UTC
Reported event volume (provider units): K 0 contracts
Coverage: 14 of 14 saved contracts included.
Prices are saved observations, not executable quotes. Listed close dates do not promise settlement or payout time.

Contract: Seattle wins 1H by over 7.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-SEA8; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 23.0%; 24h change unavailable
Outcome No: 77.0%; 24h change unavailable
Saved rules: If Seattle wins by more than 7.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Seattle wins 1H by over 6.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-SEA7; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 29.5%; 24h change unavailable
Outcome No: 70.5%; 24h change unavailable
Saved rules: If Seattle wins by more than 6.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Seattle wins 1H by over 4.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-SEA5; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 34.5%; 24h change unavailable
Outcome No: 65.5%; 24h change unavailable
Saved rules: If Seattle wins by more than 4.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Seattle wins 1H by over 3.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-SEA4; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 39.5%; 24h change unavailable
Outcome No: 60.5%; 24h change unavailable
Saved rules: If Seattle wins by more than 3.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Seattle wins 1H by over 2.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-SEA3; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 47.0%; 24h change unavailable
Outcome No: 53.0%; 24h change unavailable
Saved rules: If Seattle wins by more than 2.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Seattle wins 1H by over 10.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-SEA11; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 15.0%; 24h change unavailable
Outcome No: 85.0%; 24h change unavailable
Saved rules: If Seattle wins by more than 10.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Seattle wins 1H by over 9.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-SEA10; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 20.5%; 24h change unavailable
Outcome No: 79.5%; 24h change unavailable
Saved rules: If Seattle wins by more than 9.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Kansas City wins 1H by over 7.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-KC8; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 15.5%; 24h change unavailable
Outcome No: 84.5%; 24h change unavailable
Saved rules: If Kansas City wins by more than 7.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Kansas City wins 1H by over 6.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-KC7; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 21.0%; 24h change unavailable
Outcome No: 79.0%; 24h change unavailable
Saved rules: If Kansas City wins by more than 6.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Kansas City wins 1H by over 4.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-KC5; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 24.5%; 24h change unavailable
Outcome No: 75.5%; 24h change unavailable
Saved rules: If Kansas City wins by more than 4.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Kansas City wins 1H by over 3.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-KC4; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 29.5%; 24h change unavailable
Outcome No: 70.5%; 24h change unavailable
Saved rules: If Kansas City wins by more than 3.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Kansas City wins 1H by over 2.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-KC3; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 36.5%; 24h change unavailable
Outcome No: 63.5%; 24h change unavailable
Saved rules: If Kansas City wins by more than 2.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Kansas City wins 1H by over 10.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-KC11; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 11.0%; 24h change unavailable
Outcome No: 89.0%; 24h change unavailable
Saved rules: If Kansas City wins by more than 10.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

Contract: Kansas City wins 1H by over 9.5 points?
Provider: kalshi; ID: kalshi-KXNFL1HSPREAD-26OCT25KCSEA-KC10; status: active
Source: https://kalshi.com/markets/kxnfl1hspread-26oct25kcsea
Observed: Oct 21, 2026, 3:00 AM UTC
Listed close: Oct 28, 2026, 12:20 AM UTC
Reported volume: 0 contracts
Outcome Yes: 13.0%; 24h change unavailable
Outcome No: 87.0%; 24h change unavailable
Saved rules: If Kansas City wins by more than 9.5 points in the 1st half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, then the market resolves to Yes. Secondary rules: Only points scored during the 1st half of play count towards this market.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after the event occurs.

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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