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Polymarket Houthi military action against Saudi Arabia on... odds

On Polymarket, the busiest line, October 27, is at 37%. The market settles by Oct 31, 2026, and $4K traded in the last 24 hours. Each contract pays $1 if it is right, so 37¢ reads as a 37% chance.

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Polymarket · odds · updated

October 2640%
October 2737%
October 3020%
October 3118%
October 10%

All 31 outcomes ↓

$4K
24h volume on Polymarket
$137K
total volume on Polymarket
4
open of 31 outcomes
Oct 31, 2026
settles

Polymarket odds on every outcome

Polymarket odds on each outcome of Houthi military action against Saudi Arabia on...
OutcomeChanceYes price24h volume
October 2640%40¢$50Trade
October 2737%37¢$60Trade
October 3020%20¢$0Trade
October 3118%18¢$0Trade
October 2––$0Trade
October 4––$0Trade
October 5––$78Trade
October 14––$0Trade
October 15––$164Trade
October 18––$6Trade
Show 21 more outcomes
Polymarket odds on each outcome of Houthi military action against Saudi Arabia on...
OutcomeChanceYes price24h volume
October 19––$15Trade
October 22––$308Trade
October 23––$457Trade
October 24––$26Trade
October 25––$509Trade
October 28––$0Trade
October 29––$176Trade
October 1Final0%0¢$0
October 3Final100%100¢$0
October 6Final100%100¢$0
October 7Final100%100¢$0
October 8Final100%100¢$150
October 9Final0%0¢$64
October 10Final100%100¢$0
October 11Final100%100¢$0
October 12Final0%0¢$0
October 13Final100%100¢$0
October 16Final0%0¢$0
October 17Final0%0¢$0
October 20Final0%0¢$898
October 21Final100%100¢$685
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Chance is each outcome's Yes price on Polymarket. A Yes contract at 40¢ pays $1 if that outcome wins.

How the odds have moved

Polymarket · October 27
50%▼ 4.5 pts since Oct 18
Yes price
Oct 1828% – 60% scaleOct 25

Polymarket's own series for the outcome the headline prices, from where its history starts; one venue, not a blend.

How this market resolves

Polymarket's own settlement wording, in full. This, not the headline, decides who gets paid.

Show the full rules

This market will resolve to “Yes” if the Houthis take a qualifying military action against Saudi Arabia on the specified date, Arabia Standard Time (AST). 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 the Houthis, that directly impacts Saudi Arabia. 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 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 Saudi Arabia do not constitute a military action regardless of any damage incurred.

“Saudi Arabia” refers to the terrestrial territory of Saudi Arabia, including its internal waters. Saudi Arabia’s maritime territory and airspace are not encompassed. Where territorial borders are disputed, all territory claimed by and under the de facto control of Saudi Arabia 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 (AST) 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 government and military of Saudi Arabia and the Houthis and a consensus of credible reporting.

Scheduled resolution: Oct 27, 2026.

How to trade this market on Polymarket

  1. Check your state first. A few states restrict some contracts.
  2. Open a Polymarket account. Americans trade on Polymarket US. Our Polymarket app review covers sign-up and payouts.
  3. Buy Yes or No at the price shown, 40¢ for October 26 right now. Each contract pays $1 if you are right.
  4. Sell any time before it settles, or hold to the result. Polymarket's fees apply to each trade.
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Not on Kalshi here yet: we have not matched this question to a Kalshi market, so there is no second price to compare. Kalshi vs Polymarket compares the two venues.

Common questions

What are the Polymarket odds on Houthi military action against Saudi Arabia on...?

On Polymarket, the busiest line, October 27, is at 37%. That is a market-implied probability, not a forecast, and it moves as traders buy and sell.

How does this market resolve?

By Polymarket's own settlement rules for this market. Two venues can word the same question differently and settle differently, so read them before you trade.

Is this question on Kalshi too?

We have not matched it to a Kalshi market yet. When we do, both prices appear side by side here.

Can I trade this market in my state?

In most states, yes, on Polymarket US. A few states have acted against some contracts. Check your state first.

How accurate are Polymarket odds?

Often more accurate than polls, though never certain. A price of 70% should lose three times in ten. How accurate prediction markets are has the research.

What does it cost to trade on Polymarket?

A taker fee on most markets, largest near 50¢, and some categories charge nothing. Polymarket's fees has the detail.