Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Klarna UK) Pick polygram.ink (preferred broker) |
84% | 16% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
84% | 16% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| July 31 | 84% |
| July 24 | 80% |
| July 17 | 0% |
Market context
Saudi Arabia has conducted intermittent air and missile strikes against Houthi targets in Yemen since 2015, though the frequency and intensity have fluctuated considerably. The 0% implied probability reflects the market's assessment that no qualifying strike will occur between now and end-July 2026—a roughly 18-month window. This baseline assumes either a sustained pause in hostilities or a continuation of the current operational tempo without escalation to direct Saudi strikes, which have become less frequent in recent years as the conflict has settled into a lower-intensity equilibrium.
Historical precedent shows Saudi strikes have typically followed Houthi attacks on Saudi territory or shipping lanes in the Red Sea. Between 2015 and 2022, Saudi Arabia conducted hundreds of air operations; however, since the UN-brokered ceasefire agreement in April 2022, strikes have been rare, though not absent entirely. The market's zero probability suggests traders expect either the ceasefire framework to hold or any Houthi provocations to remain below the threshold that would trigger Saudi retaliation. Comparable markets pricing similar regional military actions have generally reflected the durability of de-escalation agreements once they reach this stage.
Traders monitoring this market should track Houthi drone and missile attacks on Saudi infrastructure, statements from Saudi defence officials regarding red lines, and any breakdown in UN mediation efforts. Recent reporting from Reuters and regional security analysts has documented continued Houthi weapons development, though actual strikes on Saudi targets have declined sharply since 2022. Funding flows into prediction markets on Middle Eastern geopolitical risk remain sensitive to these announcements; traders using SEPA transfers or Klarna payment rails should account for settlement delays when positioning around potential catalyst dates.
Methodology
This page compares Saudi Arabia military action against Yemen by 2026? with a focus on payment rails and deposit friction. Polymarket accepts USDC on Polygon only; Kalshi only ACH/Plaid (US only); Betfair card/SEPA in EU/UK; Manifold no deposit. Polymarket Klarna UK additionally offers Klarna and SOFORT as fiat on-ramps to USDC. Live odds reflect the Polymarket order book.
Resolution & payout
Settlement path determines payout latency. Polymarket settles on-chain (USDC, minutes). Broker frontends like Polymarket Klarna UK add Klarna/SOFORT as fiat withdrawal options with T+1 processing. Kalshi: USD via ACH (T+1 to T+3). Betfair: local currency via card/SEPA (T+1 to T+5).
FAQ
- What does SOFORT cost as a deposit method?
- Polymarket Klarna UK charges no fees for SOFORT. The only cost is the internal FX spread (typically <1%) on EUR→USDC conversion. SOFORT itself has no end-user fees — the platform absorbs acquirer costs.
- Which payment methods are supported?
- Klarna (Pay Now / Pay Later), SOFORT, SEPA bank transfer, credit card (Visa/Mastercard), Apple Pay, Google Pay, and direct USDC deposit on Polygon. Availability depends on your jurisdiction.
- Can I deposit with a credit card?
- Yes, Visa and Mastercard. Credit card deposits carry a ~2.5% acquirer surcharge (standard for card payments). Apple Pay and Google Pay run on the same card rails — same surcharge.
- How do withdrawals work?
- Identical methods in reverse. SEPA withdrawal: T+1 (standard) or under 10 seconds (SEPA Instant). Klarna withdrawals process via bank-account refund. USDC withdrawal to external wallet: Polygon gas cost (typically $0.01).
- Are payment details protected?
- Yes. Card and bank details are never stored by Polymarket Klarna UK — they pass directly through PCI-DSS compliant payment service providers (Adyen, Stripe). Polymarket Klarna UK retains only transaction IDs and Klarna reference numbers for reconciliation.
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