Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
87% | 13% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
87% | 13% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| July 31 | 87% |
| July 24 | 83% |
| July 17 | 0% |
Market context
Saudi Arabia has conducted sustained military operations against Houthi targets in Yemen since 2015, following the group's takeover of the capital Sana'a. The Kingdom's air campaign has included thousands of strikes over the past nine years, alongside cruise missile and drone attacks. The current 0% implied probability reflects the market's assessment that no qualifying military action will occur between now and 31 July 2026—a notably compressed timeframe given the historical frequency of such operations.
The baseline for comparison is straightforward: Saudi Arabia has averaged dozens of air and missile strikes annually throughout the conflict, with escalations typically following Houthi attacks on Saudi territory or shipping lanes in the Red Sea. In 2024, strikes continued despite diplomatic efforts and a ceasefire agreement signed in April that reduced but did not eliminate military operations. The market's zero probability appears to discount the possibility of renewed major strikes within the next 18 months, suggesting traders believe either a durable peace agreement will hold or that any future Saudi military response will fall outside the specified qualifying criteria.
Key catalysts include announcements of ceasefire violations, Houthi attacks on Saudi infrastructure or international shipping, and statements from Riyadh regarding military posture. Recent reporting from Reuters in early 2024 documented continued Saudi strikes despite the ceasefire framework, indicating that operational pauses remain fragile. Any significant Houthi provocation—particularly attacks on Saudi oil facilities or commercial vessels—could trigger renewed air or missile campaigns. Traders should monitor Saudi defence ministry statements and regional security assessments for shifts in threat perception.
Methodology
Sports-specific comparison page for Saudi Arabia military action against Yemen by 2026?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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