Significant Tuesday Options Movement: ACMR, PFE, CMP

Published On: April 29, 2025 9:04 pm

Surge in Options Trading Activity for Key Russell 3000 Stocks

Today, significant options trading has emerged among components of the Russell 3000 index. Notably, ACM Research Inc (Symbol: ACMR) reported a total volume of 9,313 contracts traded, translating to approximately 931,300 underlying shares. This volume accounts for 48.9% of ACMR’s average daily trading volume, which stands at 1.9 million shares over the past month. Particularly striking was the $15 strike put option expiring on November 21, 2025, which saw 4,907 contracts traded, representing around 490,700 underlying shares. Below is a chart illustrating ACMR’s trading history over the past twelve months, with the $15 strike highlighted in orange:

ACM Research Trading Chart

In another sector, Pfizer Inc (Symbol: PFE) reported options trading volume of 266,330 contracts today, representing about 26.6 million underlying shares. This amount constitutes approximately 47.7% of PFE’s average daily trading volume of 55.8 million shares in the past month. A significant portion of this activity involved the $21 strike put option expiring on June 20, 2025, with 20,904 contracts traded today, equivalent to approximately 2.1 million underlying shares. Below is a chart depicting PFE’s twelve-month trading history, with the $21 strike highlighted in orange:

Pfizer Trading Chart

Lastly, Compass Minerals International Inc (Symbol: CMP) experienced options trading volume of 3,194 contracts, representing approximately 319,400 underlying shares. This volume makes up about 47% of CMP’s average daily trading volume of 679,420 shares over the past month. Notably, the $12.50 strike put option expiring on June 20, 2025, had 802 contracts traded, accounting for approximately 80,200 underlying shares. Below is a chart showing CMP’s trading history over the last twelve months, with the $12.50 strike highlighted in orange:

Compass Minerals Trading Chart