Market snapshot: Oct 20, 2026, 3:00 AM UTC. Prices may have changed since this snapshot.

GroupKALSHI

Event GroupKALSHISports

Boston vs Detroit: 4th Quarter Spread

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K 0 contracts

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Boston vs Detroit: 4th Quarter Spread

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Current odds

Snapshot from Oct 20, 2026, 3:00 AM UTC

As of Oct 20, 2026, 3:00 AM UTC, the highest-priced outcome on Kalshi is Boston wins by over 1.5 points at 43.5%.

Kalshi

Boston wins by over 1.5 points43.5%
Detroit wins by over 1.5 points41.5%
Detroit wins by over 2.5 points36.5%
Boston wins by over 3.5 points34%
Detroit wins by over 4.5 points27.5%

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

Price ChartContract price history

13 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.

Boston wins 4Q by over 1.5 points

No data available

Single-Platform Markets(13)

Market	Platform	Price
Boston wins 4Q by over 1.5 points	Kalshi	43.5%
Detroit wins 4Q by over 1.5 points	Kalshi	41.5%
Detroit wins 4Q by over 2.5 points	Kalshi	36.5%
Boston wins 4Q by over 3.5 points	Kalshi	34.0%
Detroit wins 4Q by over 4.5 points	Kalshi	27.5%
Boston wins 4Q by over 5.5 points	Kalshi	26.0%
Detroit wins 4Q by over 6.5 points	Kalshi	20.0%
Boston wins 4Q by over 7.5 points	Kalshi	18.5%
Detroit wins 4Q by over 8.5 points	Kalshi	13.0%
Boston wins 4Q by over 9.5 points	Kalshi	12.0%
Detroit wins 4Q by over 10.5 points	Kalshi	7.0%
Boston wins 4Q by over 11.5 points	Kalshi	6.5%
Boston wins 4Q by over 13.5 points	Kalshi	5.0%

Rules & Resolution

Saved matching review

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AI Analysis

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K 0 contracts

Reported volume · provider units

Saved contracts

Same-question pairs

Source snapshot: Oct 20, 2026, 3:00 AM UTC

About This Event

BOS at DET (Oct 20) If Detroit wins by more than X points in the 4th quarter, excluding overtime, of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Note: 4th quarter markets do not include overtime. 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 a winner is declared.

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

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Event: Boston vs Detroit: 4th Quarter Spread
Source snapshot: Oct 20, 2026, 3:00 AM UTC
Reported event volume (provider units): K 0 contracts
Coverage: 13 of 13 saved contracts included.
Prices are saved observations, not executable quotes. Listed close dates do not promise settlement or payout time.

Contract: Detroit wins 4Q by over 8.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-DET9; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 13.0%; 24h change unavailable
Outcome No: 87.0%; 24h change unavailable
Saved rules: If Detroit wins by more than 8.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

Contract: Detroit wins 4Q by over 6.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-DET7; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 20.0%; 24h change unavailable
Outcome No: 80.0%; 24h change unavailable
Saved rules: If Detroit wins by more than 6.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

Contract: Detroit wins 4Q by over 4.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-DET5; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 27.5%; 24h change unavailable
Outcome No: 72.5%; 24h change unavailable
Saved rules: If Detroit wins by more than 4.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

Contract: Detroit wins 4Q by over 2.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-DET3; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 36.5%; 24h change unavailable
Outcome No: 63.5%; 24h change unavailable
Saved rules: If Detroit wins by more than 2.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

Contract: Detroit wins 4Q by over 1.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-DET2; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 41.5%; 24h change unavailable
Outcome No: 58.5%; 24h change unavailable
Saved rules: If Detroit wins by more than 1.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

Contract: Detroit wins 4Q by over 10.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-DET11; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 7.0%; 24h change unavailable
Outcome No: 93.0%; 24h change unavailable
Saved rules: If Detroit wins by more than 10.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

Contract: Boston wins 4Q by over 7.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-BOS8; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 18.5%; 24h change unavailable
Outcome No: 81.5%; 24h change unavailable
Saved rules: If Boston wins by more than 7.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

Contract: Boston wins 4Q by over 5.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-BOS6; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 26.0%; 24h change unavailable
Outcome No: 74.0%; 24h change unavailable
Saved rules: If Boston wins by more than 5.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

Contract: Boston wins 4Q by over 3.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-BOS4; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 34.0%; 24h change unavailable
Outcome No: 66.0%; 24h change unavailable
Saved rules: If Boston wins by more than 3.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

Contract: Boston wins 4Q by over 1.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-BOS2; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 43.5%; 24h change unavailable
Outcome No: 56.5%; 24h change unavailable
Saved rules: If Boston wins by more than 1.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

Contract: Boston wins 4Q by over 13.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-BOS14; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 5.0%; 24h change unavailable
Outcome No: 95.0%; 24h change unavailable
Saved rules: If Boston wins by more than 13.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

Contract: Boston wins 4Q by over 11.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-BOS12; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 6.5%; 24h change unavailable
Outcome No: 93.5%; 24h change unavailable
Saved rules: If Boston wins by more than 11.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

Contract: Boston wins 4Q by over 9.5 points
Provider: kalshi; ID: kalshi-KXNBA4QSPREAD-26OCT20BOSDET-BOS10; status: active
Source: https://kalshi.com/markets/kxnba4qspread-26oct20bosdet
Observed: Oct 20, 2026, 3:00 AM UTC
Listed close: Oct 22, 2026, 7:00 PM UTC
Reported volume: 0 contracts
Outcome Yes: 12.0%; 24h change unavailable
Outcome No: 88.0%; 24h change unavailable
Saved rules: If Boston wins by more than 9.5 points in the 4th quarter (excluding overtime) of the Boston vs Detroit Pro Basketball game originally scheduled for Oct 20, 2026, then the market resolves to Yes. Secondary rules: Note: 4th quarter markets do not include overtime.

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 a winner is declared.

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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