Trump out as President by August 31?

Platform comparison

Market context

The market is still pricing an early exit as a near-impossible outcome, with the crowd-implied probability at 1% YES. That sits against a live White House environment where traders are watching for any abrupt health, legal, or internal-power developments that could force a resignation or permanent removal, but there has been no confirmed sign in the latest news flow of a resignation process or formal removal mechanism being set in motion.[1][4]

Historical read-through is straightforward: presidential departures before the end of a term are rare and usually come only after a major constitutional or political break, not routine pressure. The main comparables are resignation in the face of overwhelming scandal, or removal via impeachment and conviction, both of which require visible escalation well beyond ordinary speculation; prediction markets generally keep the “No” side dominant when there is no concrete institutional path underway.[4][6][12]

For traders, the immediate catalysts are official announcements, White House scheduling, and any escalation from Congress or the courts. Newsweek reported that recent resignation chatter in prediction markets was driven by a White House press event announcement and separate health-related social media speculation, which shows how quickly odds can move on timing noise even without a qualifying event.[1] Under the settlement rules, only a permanent departure counts, but a public announcement of resignation or removal would be enough to trigger an immediate “Yes” resolution even if the effective date is later.[4]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

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 Prediction Today. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Today trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.