Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
1% | 99% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
1% | 99% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Market context
Donald Trump remaining in office through the summer is still the base case in both politics and the market. The current 1% YES price implies traders see only a very small chance of a resignation, impeachment, or other permanent removal before 31 August, with the contract settling on any verified resignation announcement or formal removal rather than a temporary transfer of powers. In on-chain terms, that means the USDC escrow behind the market is effectively pricing a near-certain No, with only a thin tail for a sudden headline-driven repricing.
Historically, early-exit markets on Trump have tended to stay low unless there is a concrete procedural trigger. Comparable resignation and removal contracts have traded in low single digits for long stretches, then briefly spiked on reports of an Oval Office statement or renewed impeachment chatter before fading back once no action followed. Polymarket’s broader “out as President before 2027” market has been quoted around 7%, showing that traders still assign meaningful long-dated tail risk, but not enough to make an August cutoff look plausible.[2][1][3]
For the next few weeks, the key catalysts are official statements, court or congressional developments, and any sudden change in Trump’s public schedule. Under this market’s rules, even an announcement that he will resign is enough to resolve Yes immediately, so traders will watch live press availabilities, Truth Social posts, and White House scheduling closely. If broader crypto risk appetite shifts at the same time, BTC and ETH can affect liquidity and funding across prediction venues, but the contract itself will mainly move on discrete political headlines rather than macro flow.
Methodology
This page reads Trump out as President by August 31? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
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