Noteworthy Monday Option Activity: STT, ETN, WDC
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in State Street Corp. (Symbol: STT), where a total volume of 5,487 contracts has been traded thus far today, a contract volume which is representative of approximately 548,700 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 41.5% of STT's average daily trading volume over the past month, of 1.3 million shares. Especially high volume was seen for the $190 strike put option expiring September 18, 2026, with 3,307 contracts trading so far today, representing approximately 330,700 underlying shares of STT. Below is a chart showing STT's trailing twelve month trading history, with the $190 strike highlighted in orange:
Eaton Corp plc (Symbol: ETN) options are showing a volume of 7,119 contracts thus far today. That number of contracts represents approximately 711,900 underlying shares, working out to a sizeable 40.9% of ETN's average daily trading volume over the past month, of 1.7 million shares. Especially high volume was seen for the $330 strike put option expiring October 30, 2026, with 3,390 contracts trading so far today, representing approximately 339,000 underlying shares of ETN. Below is a chart showing ETN's trailing twelve month trading history, with the $330 strike highlighted in orange:
And Western Digital Corp (Symbol: WDC) saw options trading volume of 24,932 contracts, representing approximately 2.5 million underlying shares or approximately 40.9% of WDC's average daily trading volume over the past month, of 6.1 million shares. Especially high volume was seen for the $290 strike put option expiring September 18, 2026, with 2,001 contracts trading so far today, representing approximately 200,100 underlying shares of WDC. Below is a chart showing WDC's trailing twelve month trading history, with the $290 strike highlighted in orange:
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