S&P price range on Mar 24, 2026 at 4pm EDT?

They are 30 mutually exclusive, contiguous intervals that partition the range of possible S&P 500 closing values at that timestamp; each outcome pays out if the official index value at 4:00 PM EDT falls inside that interval. The specific numeric boundaries are listed on the platform and determine which outcome is the winner on settlement.

Settlement is based on the official S&P 500 level published or supplied by the contract’s designated market data vendor at the exact 4:00 PM EDT timestamp; the platform’s rulebook defines the authoritative source and any tie-break or rounding procedures, so check the contract terms for the definitive settlement method.

'Closes: TBD' means the platform has not yet fixed the final trading cutoff for the contract; trading may be open before that cutoff and will cease at the announced close or at the platform’s last-trade time. Until the platform sets and publishes the close time, monitor the contract page for updates and be aware that liquidity and the ability to exit positions can change as the event approaches.

Intraday U.S. releases such as employment reports, inflation prints, retail sales or unexpectedly large corporate earnings and guidance issued before the close are most likely to move the S&P at 4:00 PM EDT. The impact depends on the timing relative to the close and the surprise magnitude versus market expectations.

Yes — end-of-quarter positioning, index rebalancings, and portfolio window-dressing can influence flows around late March, and options expirations or large institutional rebalancings can affect intraday volatility and closing-price dynamics. These structural factors can amplify the market’s response to news on the settlement day.