McKesson Options Market Braces for 6.2% Post-Earnings Stock Move

The options market is anticipating a significant price swing for McKesson Corp. (MCK) following its upcoming earnings release, scheduled for after the market close on November 4. Traders are pricing in a potential move of 6.2% in either direction, according to options data compiled by Bloomberg.

Historical Volatility

An analysis of McKesson's last eight earnings reports reveals a pattern of the stock's actual price movement exceeding what options traders had priced in. In five of the past eight announcements, the share price moved more than the implied volatility suggested.

This trend includes several instances of significant outperformance compared to expectations. For example:

• On February 4, the stock surged 14.8%, more than triple the 4.6% move implied by options.
• The largest recent surprise occurred on November 6, 2024, when shares jumped 21.7% against an expected move of just 6.2%.
• On May 7, the stock posted a 10.5% decline, roughly double the 5.2% implied move.

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What It Means for Investors

This historical data suggests that McKesson's earnings reports have frequently acted as a catalyst for greater-than-expected volatility. While the options market provides a baseline for anticipated price action, past performance indicates a potential for the actual results and company guidance to trigger a more substantial reaction from investors.

Not every report has resulted in a larger-than-expected move. Following the August 5 announcement, for instance, the stock fell 2.0% when a 4.5% move had been implied. Nonetheless, traders will be closely watching to see if the upcoming report continues the trend of delivering a surprise to the market.