S&P price on Mar 20, 2026 at 4pm EDT?

It refers to the official S&P 500 index level at the U.S. market close time of 4:00pm Eastern Daylight Time on March 20, 2026, as defined by the market's settlement rules; check the market page for the specified data source used to settle the contract.

Outcomes are typically arranged as discrete price bins or exact-point levels; the winning outcome is the bin that contains the official closing S&P 500 value at 4:00pm EDT on the settlement date—refer to the market description for exact bin boundaries and tie-breaking rules.

Trading close and resolution procedures are determined by the market operator and may be listed as TBD on the page; if U.S. exchanges close early, the market’s predefined fallback/resolution rules apply—check the event rules for the precise contingency protocol.

Most such markets reference the official S&P 500 closing value as published by S&P Dow Jones Indices or another named price-feeder; the exact source is specified in the market’s settlement terms—always confirm on the market page.

Index composition changes or corporate actions are reflected in the official index level and therefore can influence the settled value; routine rebalances are accounted for by the index provider, while one-off trades and liquidity events can affect the intraday path and the closing print that determines the winning outcome.