Corning Incorporated (GLW)

Last Closing Price: 165.45 (2026-04-21)

Put-Call Ratio (Open Interest) (30-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.

Corning Incorporated (GLW) had 30-Day Put-Call Ratio (Open Interest) of 1.6489 for 2026-04-21.