Qualys, Inc. (QLYS)

Last Closing Price: 134.57 (2026-01-16)

Put-Call Ratio (Open Interest) (180-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Qualys, Inc. (QLYS) had 180-Day Put-Call Ratio (Open Interest) of 3.0075 for 2026-01-16.