Will China invade Taiwan by December 31, 2027?

Platform comparison

Market context

The question centres on whether the People's Republic of China will launch a military invasion of Taiwan intended to seize territory before the end of 2027. The resolution criteria specify that any offensive targeting inhabited areas under Republic of China administration—including outlying islands—would trigger a "Yes" outcome, whilst uninhabited territories would not. The 16% implied probability reflects a baseline assessment that such an action remains unlikely within the next three years, though not negligible.

Historical precedent offers limited direct comparison. The 1979 Sino-Vietnamese War and 1995–96 Taiwan Strait Crisis both involved military posturing and limited strikes without full-scale invasion. The 1950 Korean War invasion occurred within months of a public statement that Korea lay outside America's defensive perimeter, suggesting that signalling failures and perceived opportunity windows matter significantly. Taiwan's geographic position—requiring amphibious operations across 160 kilometres of contested strait—presents substantial logistical constraints that have not fundamentally altered since previous crises, though Chinese naval and air capabilities have expanded considerably. The absence of invasion attempts during periods of greater Chinese military disadvantage (1990s–2000s) suggests threshold conditions remain unmet despite rhetorical escalation.

Traders should monitor Taiwan's 2024 presidential transition outcomes and any shifts in US military posture or commitment signalling. The scheduled completion of China's carrier programmes and amphibious capability expansions through 2026–27 represent technical milestones worth tracking. Recent statements from Chinese officials regarding "reunification timelines" and Taiwan's status warrant close attention, though such rhetoric has historically preceded neither invasion nor meaningful policy shifts. Economic interdependence metrics and cross-strait diplomatic incidents will likely prove more predictive than official statements alone.

Methodology

We track Will China invade Taiwan by December 31, 2027? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Best Prediction Markets, 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.

Is this market available outside the US?

Best Prediction Markets is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.