Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
7% | 93% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
7% | 93% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Market context
A military invasion of South Korea by North Korea would represent the largest interstate conflict in East Asia since the Korean War armistice in 1953. The Polymarket contract pricing this scenario at 7% YES reflects trader assessment that such an offensive remains unlikely within the next two years, despite persistent tensions on the peninsula. Settlement hinges on North Korea commencing a military operation with explicit intent to seize territory, confirmed by official sources or credible reporting consensus.
Historical precedent shapes how traders evaluate this tail risk. The 1950 invasion itself followed years of border skirmishes and rhetorical escalation before Kim Il-sung committed to full-scale war. Since the armistice, despite dozens of provocations—the 1968 Blue House raid, the 2010 sinking of the ROKS Cheonan, repeated missile tests—North Korea has stopped short of conventional invasion. The regime's survival strategy has centred on nuclear deterrence and coercive diplomacy rather than territorial conquest. Current military asymmetries favour South Korea and its US alliance substantially more than in 1950, raising the cost calculus for Pyongyang.
Traders monitoring this contract should track US policy shifts following the 2024 US presidential transition, scheduled inter-Korean diplomatic initiatives, and North Korean weapons tests—particularly those signalling readiness for large-scale operations. The International Institute for Strategic Studies and South Korean defence ministry assessments provide regular updates on force posture changes. Domestic political instability in either Korea, unexpected sanctions escalation, or explicit statements from Pyongyang regarding unification timelines would warrant reassessment of the 7% pricing before year-end 2026.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
Trade Will North Korea invade South Korea before 2027? on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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