Apple, KLA, Mastercard, S&P Global, Stryker: Earnings-Day Vol

July 30, 2025, 10:00 AM UTC

Traders are preparing for bigger swings than usual in companies including First Solar and Paramount Global after their earnings, while they’re expecting smaller moves in AES and ResMed. Here’s a list of S&P 500 members reporting on July 31 for which the options market is over- or underpricing volatility relative to fluctuations on sessions following past results:

Here’s how the implied earnings-day moves of these companies fared in past earnings:

  • Overpriced: Apple (5/8), Biogen (6/8), Builders FirstSource (5/8), Eastman Chemical (5/8), Exelon (5/8), First Solar (6/8), International Paper (5/8), Kellanova (5/8), Mastercard (6/8), Paramount Global (5/8), PG&E (8/8), Quanta ...



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