NYSE marketwide circuit breaker before 2027?: how this market works

What you need to know

This market asks whether the US stock market will experience an emergency automatic pause in trading before the end of 2026. A circuit breaker is a built-in safety switch: if the S&P 500 index (a broad measure of US stock prices) drops sharply enough in a single day, trading across the entire NYSE automatically stops to let panic cool down. Yes means that pause happens at least once before January 2027. No means it does not. This resolves Yes if the NYSE triggers a Level 1, Level 2, or Level 3 marketwide halt between November 7, 2025, and December 31, 2026. To give you a sense of the thresholds: a Level 1 halt kicks in when the S&P 500 falls 7% in one day, Level 2 at 13%, and Level 3 at 20%. Even a single qualifying halt at any of those three levels counts. The NYSE's official records are the primary source, with credible news reporting as a backup. No specific recent news was provided for this market. The kinds of developments worth watching for would be large sudden drops in US stock indexes, major economic shocks, geopolitical crises, or financial system stress events, since those are the conditions that historically push markets close to circuit-breaker territory. The main honest tension here is that these halts are genuinely rare. The marketwide circuit breaker has only triggered once in modern history, during the COVID crash in March 2020, which is why the market prices this around 15%. That said, there is still over a year of trading days remaining, and markets can move fast when surprises hit. The biggest uncertainty is simply whether an unexpected shock, something no one is currently forecasting, arrives in that window.

The odds right now

• NYSE marketwide circuit breaker before 2027?-1.5 pts (1w)14%

Price history

How this resolves

Resolves December 31, 2026

This market will resolve to "Yes" if a marketwide circuit breaker is triggered on the New York Stock Exchange (NYSE) at any time between November 7, 2025, and December 31, 2026. Otherwise, this market will resolve to “No”. Read the full resolution rules on the live market page.

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