Houston Astros vs. Athletics (9:40 PM ET) Prediction - Astros 53¢

Live Markets

5 platforms

Moneyline

OutcomeConsensus

Best price

Houston AstrosARB

52%

Platform	Implied %	Yes bid / ask		No bid / ask
Kalshi	15.0%	14¢	16¢	84¢	86¢
Polymarket US	57.0%	56¢	58¢	42¢	44¢
Novig	62.0%	61¢	63¢	37¢	39¢
Polymarket	62.0%	61¢	63¢	37¢	39¢
ProphetX	63.0%	62¢	64¢	36¢	38¢

AthleticsARB

47%

Platform	Implied %	Yes bid / ask		No bid / ask
Kalshi	84.0%	83¢	85¢	15¢	17¢
Polymarket US	41.0%	40¢	42¢	58¢	60¢
Novig	37.0%	36¢	38¢	62¢	64¢
Polymarket	36.0%	35¢	37¢	63¢	65¢
ProphetX	37.0%	36¢	38¢	62¢	64¢

Kalshi

Polymarket US Novig

Novig

Polymarket

ProphetX

Best price among US-regulated venues.

Spread

ARB 44¢

Best price

ATH +1.5

HOU -1.5

Best price among US-regulated venues.

Totals

ARB 7¢

Best price

O 9.5

U 9.5

Market RulebooksOfficial settlement criteria and edge cases

Official settlement criteria, resolution sources, and edge cases across Kalshi and Novig and Polymarket and Polymarket US and ProphetX.

Rules for Candidate:

Kalshi

Primary Rule

If A's wins the Houston vs A's professional baseball game originally scheduled for Sep 25, 2026 at 9:40 PM EDT, then the market resolves to Yes.

Edge Cases

The following market refers to the Houston vs A's professional baseball game originally scheduled for Sep 25, 2026 at 9:40 PM EDT. If this game is postponed or delayed, the market will remain open and close after the rescheduled game has finished (within two days). If the game is cancelled or rescheduled to over two days away, the market will resolve to a fair price in accordance with the rules. 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.

Resolution Oracles

Novig

Primary Rule

Athletics in Houston Astros @ Oakland Athletics (MLB); settled by Novig.

Polymarket

Primary Rule

In the upcoming MLB game between the Houston Astros and Athletics, scheduled for September 25 at 9:40PM ET: This market will resolve to "Houston Astros" if the Houston Astros win the game. This market will resolve to "Athletics" if the Athletics win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.

Resolution Oracles

UMA Optimistic OracleConsensus of Sources

Polymarket US

Primary Rule

This market will settle to the winner of the Houston Astros vs Athletics MLB game scheduled for 2026-09-25 at 9:40PM ET. Extra innings are included if played. If the game is delayed, postponed, or suspended and not rescheduled to a date within two weeks of the originally scheduled date, the market will settle to the last fair market price. Outcome sourced from MLB.

ProphetX

Primary Rule

Sports moneyline - resolves based on official game outcome per ProphetX Prediction Rules

Resolution Oracles

Frequently Asked Questions

What does the Houston Astros vs. Athletics (9:40 PM ET) prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, Novig, Polymarket, ProphetX in one place. Each price reflects the market’s implied probability, not a guaranteed result.

What are the latest Houston Astros vs. Athletics (9:40 PM ET) odds?

The latest available prices are Houston Astros: 15.5¢ on Kalshi, 63.0¢ on Polymarket, 63.7¢ on ProphetX, 58.0¢ on Polymarket US, 63.0¢ on Novig; Athletics: 84.5¢ on Kalshi, 37.0¢ on Polymarket, 37.8¢ on ProphetX, 42.0¢ on Polymarket US, 38.0¢ on Novig. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity.

Why do Houston Astros vs. Athletics (9:40 PM ET) odds vary across prediction markets?

The largest price difference shown across venues is 48.2 percentage points. Venues have different traders, liquidity and fees, so their prices can differ. A price gap alone does not establish an executable arbitrage opportunity; compare settlement rules and the actual buy and sell prices.

How do Houston Astros vs. Athletics (9:40 PM ET) prediction market payouts work?

For example, Houston Astros at 52.6¢ implies about a 52.6% chance. For a standard $1 contract, a share pays $1 if its outcome settles as correct and $0 if it settles as incorrect. A winning share bought at 40¢ earns 60¢ before fees. Check each venue’s settlement rules, fees and eligibility before trading.