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$147.3b

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$172,964,198

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2,798,566,680

OPEN INTEREST:

$1,800,387,182

518,213

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38,398

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MATCHED EVENTS:

2,848

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Saudi Arabia military action against Yemen on...?
polymarket

Will Saudi Arabia act against Yemen?

Sep 17, 2026, 10:18 AM EST - Sep 30, 2026, 4:59 PM EST
Total volume:
$258,701
Volume 24h:
$90,567N/A
Liquidity:
$813
11%
Open interest:
$13,619N/A

September 28

 - Polymarket

September 28 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolves Sep 30, 2026

Saudi Arabia military action against Yemen on September 28?

99%chance
Amount

$

Trade on
polymarket

Trade on Polymarket

At 99¢ buys you 101 shares | Odds: 99% Total Payout: $101 | Net Profit: $1 Multiplier: 1.01x | ROI: 1% | APY: N/A Low liquidity
You will be redirected to the platform to complete this trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

September 28

Trade
99%
Yes 99¢No 67¢
66¢
$46
$39,025
0%
0%
N/A
0d 0h 0m
active
polymarket

September 30

95%
Yes 99¢No 77.9¢
76.9¢
$78
$41,297
0%
0%
N/A
0d 0h 0m
active
polymarket

September 23

89%
Yes 94¢No 92¢
86¢
$30
$11,037
0%
0%
N/A
0d 0h 0m
active
polymarket

September 29

82%
2%
Yes 86¢No 22¢
8¢
$69
$9,558
1%
10%
N/A
0d 0h 0m
active
polymarket

September 27

52%
Yes 56¢No 52¢
8¢
$73
$13,755
0.07%
5%
N/A
0d 0h 0m
active
polymarket

September 26

48%
Yes 54¢No 95¢
49¢
$185
$3,812
18%
57%
N/A
0d 0h 0m
active
polymarket

September 22

26%
Yes 73¢No 94¢
67¢
$73
$2,279
0%
17%
N/A
0d 0h 0m
active
polymarket

September 24

23%
Yes 91¢No 72¢
63¢
$150
$40,175
0%
0.34%
N/A
0d 0h 0m
active
polymarket

September 25

6%
Yes 81¢No 91¢
72¢
$50
$2,142
0%
0%
N/A
0d 0h 0m
active
polymarket

September 21

26%
Yes 91¢No 52¢
43¢
$59
$28,436
0%
0.58%
N/A
0d 0h 0m
active
polymarket

September 20

0%
26%
Yes 0¢No 100¢
—
N/A
$43,058
N/A
N/A
N/A
Settled
No
polymarket

September 18

0%
Yes 0¢No 100¢
—
N/A
$21,788
N/A
N/A
N/A
Settled
No
polymarket

September 19

0%
78%
Yes 0¢No 100¢
—
N/A
$2,338
N/A
N/A
N/A
Settled
No
Total markets: 13

Description

This market will resolve to “Yes” if Saudi Arabia takes a qualifying military action against Yemen on the specified date, Yemen Standard Time. Otherwise this market will resolve to “No.” A qualifying military action refers to an air strike or a surface-to-surface missile strike, initiated by Saudi Arabia, that directly impacts Yemen. An air strike includes bombs, air-to-surface missiles, and air-launched drones. A surface-to-surface missile strike includes one-way attack drones and surface-to-surface missiles such as cruise or ballistic missiles. The qualifying military action must be carried out by the armed forces of Saudi Arabia. Actions carried out by private military contractors, mercenaries, or proxy forces will not qualify. Where a qualifying action is carried out in the course of a coalition or multinational operation, it will qualify only if the armed forces of Saudi Arabia directly conducted the strike. The following actions do not constitute a qualifying military action: Munitions destroyed or intercepted before impact; Surface-to-air missile strikes; Small-arms fire; Ground incursions; Cyber operations; Naval gunfire and artillery fire; Howitzers, artillery pieces, mortars, and rocket artillery (e.g. MLRS systems); Minor surface-to-surface strikes, including short range loitering munitions, FPV drones, and ATGM strikes; Any threat, authorization, or announcement of force that has not been executed. Any munition that is intercepted or destroyed before impact does not constitute a qualifying military action. Debris, fragments, or any wreckage from intercepted munitions that land on Yemen do not constitute a military action regardless of any damage incurred. “Yemen” refers to the terrestrial territory of Yemen, including its internal waters. Yemen’s maritime territory and airspace are not encompassed. Where territorial borders are disputed, all territory claimed by and under the de facto control of Yemen as of market creation will qualify. The occurrence, attribution, and timing of a qualifying military action will be primarily determined based on a consensus of information available from the resolution sources. Where multiple sources conflict regarding the occurrence, attribution, or timing of a relevant military action, this market will remain open until the earlier of: i) the confirmation of the occurrence, attribution, and timing of the action based on a consensus of information available from the resolution sources or ii) 3 full calendar days (Yemen Standard Time) from the date of the first credibly reported evidence of the action. If this period would extend past the end date, this market will remain open to allow for 3 full calendar days to pass. At the end of the third calendar day, if conflicting reports remain, the incident will be adjudicated based on the totality of information available from the resolution sources at that time. No single statement, denial, or presentation of evidence will govern where it is contradicted by the totality of information. The resolution sources for this market will be official information from the governments and militaries of Saudi Arabia and Yemen, the Houthis, and a consensus of credible reporting.

Polymarket

This market will resolve to “Yes” if Saudi Arabia takes a qualifying military action against Yemen on the specified date, Yemen Standard Time. Otherwise this market will resolve to “No.” A qualifying military action refers to an air strike or a surface-to-surface missile strike, initiated by Saudi Arabia, that directly impacts Yemen. An air strike includes bombs, air-to-surface missiles, and air-launched drones. A surface-to-surface missile strike includes one-way attack drones and surface-to-surface missiles such as cruise or ballistic missiles. The qualifying military action must be carried out by the armed forces of Saudi Arabia. Actions carried out by private military contractors, mercenaries, or proxy forces will not qualify. Where a qualifying action is carried out in the course of a coalition or multinational operation, it will qualify only if the armed forces of Saudi Arabia directly conducted the strike. The following actions do not constitute a qualifying military action: Munitions destroyed or intercepted before impact; Surface-to-air missile strikes; Small-arms fire; Ground incursions; Cyber operations; Naval gunfire and artillery fire; Howitzers, artillery pieces, mortars, and rocket artillery (e.g. MLRS systems); Minor surface-to-surface strikes, including short range loitering munitions, FPV drones, and ATGM strikes; Any threat, authorization, or announcement of force that has not been executed. Any munition that is intercepted or destroyed before impact does not constitute a qualifying military action. Debris, fragments, or any wreckage from intercepted munitions that land on Yemen do not constitute a military action regardless of any damage incurred. “Yemen” refers to the terrestrial territory of Yemen, including its internal waters. Yemen’s maritime territory and airspace are not encompassed. Where territorial borders are disputed, all territory claimed by and under the de facto control of Yemen as of market creation will qualify. The occurrence, attribution, and timing of a qualifying military action will be primarily determined based on a consensus of information available from the resolution sources. Where multiple sources conflict regarding the occurrence, attribution, or timing of a relevant military action, this market will remain open until the earlier of: i) the confirmation of the occurrence, attribution, and timing of the action based on a consensus of information available from the resolution sources or ii) 3 full calendar days (Yemen Standard Time) from the date of the first credibly reported evidence of the action. If this period would extend past the end date, this market will remain open to allow for 3 full calendar days to pass. At the end of the third calendar day, if conflicting reports remain, the incident will be adjudicated based on the totality of information available from the resolution sources at that time. No single statement, denial, or presentation of evidence will govern where it is contradicted by the totality of information. The resolution sources for this market will be official information from the governments and militaries of Saudi Arabia and Yemen, the Houthis, and a consensus of credible reporting.

Frequently asked questions

On Polymarket, the dashboard for the Yemen conflict market tracks the current odds that Saudi Arabia will take military action against Yemen on or before September 30, 2026. You’ll find the implied probability of this outcome, along with a price history chart showing how the market has fluctuated over time. The dashboard also displays the 24-hour trading volume, indicating how much activity is currently happening in this market. As of today, the top outcome currently has a chance of 99.0% and a volume of $653.

Currently, prediction market odds offer a distinct perspective compared to traditional analyst forecasts regarding the potential for Saudi Arabian military action in Yemen. While expert opinions vary, this market represents the collective judgment of a diverse group of traders. It’s important to note that analysts often base their predictions on geopolitical factors and historical trends, while traders in this market weigh those factors alongside real-time information and potential shifts in sentiment. The current price suggests a different probability than many publicly available forecasts.

On Polymarket, this market is priced using a continuous double auction, meaning traders can buy and sell shares representing their belief about the outcome. The price of a share reflects the probability of Saudi Arabia taking military action against Yemen on or before the specified date. As more traders buy shares, the price increases, indicating a higher perceived probability, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is driven by supply and demand, and is a direct reflection of the aggregated beliefs of all participants.

This market resolves around Sep 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on whether Saudi Arabia initiates significant military action against Yemen, as defined by widely accepted news sources and geopolitical analysis. The outcome will be determined by whether such action occurs on or before the resolution date. The market will then settle based on this verified information, distributing payouts to those who correctly predicted the outcome.

Several signals or events could significantly impact this market. Escalations in regional tensions, such as attacks by Houthi rebels or shifts in Saudi Arabian foreign policy, would likely cause movement. Major diplomatic developments, including peace talks or international interventions, could also influence the market. Additionally, significant changes in the political landscape within Yemen or Saudi Arabia, or statements from key leaders, could shift trader sentiment and affect the price. Unexpected military deployments or exercises could also be catalysts for price changes in this market.