MASS Unusual Options Activity - 908 Devices

AI summary

On September 30, 2026, unusual options activity was observed in 908 Devices Inc. (MASS), with a notable print involving a put option. A single transaction was recorded for the MASS put option with a strike price of $12.50, expiring on November 20, 2026. The premium for this put was $89,075, indicating significant interest in this position. The volume-to-open interest ratio for this option stood at 5.1, suggesting that the activity may be noteworthy relative to existing open positions. Over the last 30 days, there have been two active days for MASS options, highlighting a potential increase in trading interest. The absence of call premiums in this instance indicates a focus on bearish sentiment in the options market for this stock.

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