Will the White House call a full lid by 6:30 PM? (May 18 - 23)

Platform comparison

Active sub-markets

Market context

The White House Press Office issues a "full lid" when the President's public schedule concludes for the day, signalling no further official events, statements, or media appearances will occur. This market settles affirmatively only if such an announcement is made by 6:30 PM ET during the specified five-day window (18–23 May). Partial lids—lunch breaks, travel intermissions, or other temporary press holds—do not qualify. The 100% crowd probability reflects the near-certainty that some form of lid will be called during a typical weekday cycle, though the specific timing and classification remain contingent on presidential scheduling and unforeseen developments.

Historical precedent shows full lids are called on most weekdays when the President remains at the White House or Camp David without evening events scheduled. The timing typically falls between 4:00 PM and 7:00 PM ET, clustering around the end of the official workday. Traders should note that the 6:30 PM threshold is tighter than the standard evening window; any lid called after that mark resolves to "No." Unusual circumstances—state visits, legislative negotiations, or emergency briefings—can delay or eliminate the full lid call entirely, though such occurrences remain statistically infrequent.

From a regulatory standpoint, this market operates under UK-domiciled prediction market frameworks and US CFTC oversight where applicable. Traders in Germany should verify compliance with GlüStV provisions; most EU-regulated platforms offer no-KYC access up to €1,500 (approximately £1,280) notional exposure per calendar year, which typically covers single-event markets of this type. Traders should confirm their jurisdiction's specific requirements before placing positions.

Methodology

We track Will the White House call a full lid by 6:30 PM? (May 18 - 23) 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

Is this market available outside the US?

Polymarket Tax UK 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.

What does it cost to trade on Polymarket Tax UK?

Zero. Polymarket Tax UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.