Microsoft Corporation closed at $397.75, down 1.13%.
Large options trades were dominated by a significant bullish theme, featuring the sale of out-of-the-money puts to collect premium alongside call purchases, indicating institutional confidence in the stock's medium-term trajectory despite the day's price dip.
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Options Indicators
MSFT’s implied volatility is 47.18%, and with an IV percentile of 98.01%, current option pricing sits at the very high end of its recent range, indicating elevated volatility and expensive premiums.
The IV/HV ratio of 1.39 further suggests implied volatility is running notably above historical realized volatility, meaning the options market is embedding richer forward uncertainty than the stock has recently delivered.
In this setup, long premium positions face a higher entry cost and greater sensitivity to any future volatility normalization. The Call/Put volume ratio is 3.03.
Large Trades
A PUT sale worth $0.65 million was the standout large trade, with 1,600 contracts sold on the August 21, 2026 $350.00 put.
With MSFT referenced at $397.75, this strike was out of the money at the time of execution, making the trade a moderately bullish cash-secured or margin-backed premium-selling position.
By selling downside protection below the market, the trader collected premium while expressing confidence that MSFT is likely to remain above $350.00 into expiration, or at least that any weakness would stay limited enough to make assignment acceptable at an effective discount to the current share price.
Overall large-trade sentiment was clearly bullish, with total bullish flow at $0.71 million versus bearish flow at $0.00 million, leaving a net bullish difference of $0.71 million.
The directional judgment is decisively positive, because the large-trade activity was entirely concentrated in bullish structures, led by out-of-the-money put selling and supported by additional call buying.
That mix typically reflects investors willing to collect premium on downside support while also retaining upside participation, pointing to constructive expectations for MSFT rather than concern about a material near-term decline.
Strategy Reference
For a seller preferring a very low probability of assignment while selling premium in this elevated IV environment, selecting a put strike further out-of-the-money, such as the $300.00 level for a similar expiration, could be considered; alternatively, a bullish put spread, selling the $350.00 put and buying the $340.00 put, would define risk and reduce margin requirements.
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