Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
14% | 86% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
14% | 86% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Market context
The crowd-implied probability of 14% for a Chinese military offensive against Taiwan by December 2027 reflects a cautious market stance, yet historical precedents suggest this figure may understate the strategic window. Taiwan’s own defence drills have identified 2027 as a potential timeframe for a full-scale invasion, aligning with the centennial of China’s People’s Liberation Army, a symbolic milestone often linked to major strategic displays [1]. Global Guardian analysts note the conflict window likely remains open between 2024 and 2028, with their experts estimating a 35% likelihood of all-out invasion, significantly higher than the current Polymarket price [2]. Past crises, such as the 1996 missile launches and the 2022 ballistic exercises over Taiwan, demonstrate how military readiness can rapidly escalate into coercive action, framing the current probability as a baseline rather than a ceiling [3][8].
Traders monitoring this contract on Polygon via USDC should watch specific catalysts that could shift the conditional tokens’ pricing. Key dependencies include any shift in United States policy from strategic ambiguity to clarity, as well as high-ranking American official visits to Taiwan, which previously triggered forceful Chinese military exercises [2]. A new US defence report has explicitly flagged China’s expanding capabilities and a 2027 timeline for potential attack scenarios, making its release a critical event for on-chain sentiment [10]. Additionally, internal Chinese Communist Party dynamics, such as recent absences of ten generals from significant meetings, could delay or accelerate takeover plans, adding volatility to the market [5]. The resolution source relies on official confirmation from China, Taiwan, the UN, or permanent UN Security Council members, meaning any sudden diplomatic consensus or unilateral declaration will instantly settle the contract [1].
Methodology
This page reviews Will China invade Taiwan by December 31, 2027? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
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?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Will China invade Taiwan by December 31, 2027? on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Open live market →