Notable Monday Option Activity: ONT, NET, SGMT

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Onterris Inc (Symbol: ONT), where a total volume of 5,437 contracts has been traded thus far today, a contract volume which is representative of approximately 543,700 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 75.4% of ONT’s average daily trading volume over the past month, of 721,270 shares. Especially high volume was seen for the $12.50 strike call option expiring December 17, 2027, with 2,501 contracts trading so far today, representing approximately 250,100 underlying shares of ONT.

CloudFlare Inc (Symbol: NET) saw options trading volume of 22,573 contracts, representing approximately 2.3 million underlying shares or approximately 72.5% of NET’s average daily trading volume over the past month, of 3.1 million shares.
Especially high volume was seen for the $400 strike call option expiring October 16, 2026, with 2,979 contracts trading so far today, representing approximately 297,900 underlying shares of NET. Below is a chart showing NET’s trailing twelve month trading history, with the $400 strike highlighted in orange:

And Sagimet Biosciences Inc (Symbol: SGMT) options are showing a volume of 10,431 contracts thus far today. That number of contracts represents approximately 1.0 million underlying shares, working out to a sizeable 72.4% of SGMT’s average daily trading volume over the past month, of 1.4 million shares.
Especially high volume was seen for the $10 strike put option expiring October 16, 2026, with 5,010 contracts trading so far today, representing approximately 501,000 underlying shares of SGMT. Below is a chart showing SGMT’s trailing twelve month trading history, with the $10 strike highlighted in orange:

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