Here's how big a move traders are eyeing for the stock market on tariff 'liberation day'

A spokesperson for the Office of Personnel Management said the number is "growing."

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• Options trades suggest the S&P 500 could move almost 2% on April 2.
• The Nasdaq 100 and Russell 2000 could move 1.8% and 2.1%, respectively.
• Investors are bracing for tariff announcements from the White House at 4:00 p.m. ET Wednesday.

President Donald Trump's tariff "liberation day" is almost here. Investors are bracing for the unknown, but...