Microsoft Options Trading Surges to 388k Contracts on September 11th

On September 11th, Microsoft options trading saw a significant surge in activity. With a total of 388.27K contracts traded for the day, put options made up 31.62% of transactions, while call options accounted for 68.38%. This indicates that investors were primarily buying calls, expecting the stock price to rise.

The open interest, which represents outstanding positions not yet closed, reached approximately 3.95 million contracts by day's end. This is a substantial increase from the average of the past 30 trading days, representing a whopping 95.97% of that total.

One particularly notable trade was for call options with a strike price of $570.00 expiring on October 16th, 2026. These options were traded at a price of $495.63 and saw 4,354 contracts transacted, resulting in a turnover of $283.01K. This made it the most active unusual option trade for the day.