Zero-Day Options Hits Trading Record on Trump Turmoil, Robinhood Push

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One of Wall Street’s most-popular option trades just got more popular than ever, fueled by Donald Trump’s volatility-inducing policy agenda and a push by Robinhood Markets Inc. to expand its product offerings.

Contracts that expire within 24 hours made up a record 56% of the S&P 500’s total options volume last month, according to data compiled by Cboe Global Markets Inc., the exchange that’s at the center of the trading boom.