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Contract OI history

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Jan 21, 2028 EXPIRATION

KEY $17.00 Put

KEY280121P00017000

Latest saved OI1,632Oct 23, 2026
Last change-30vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KEY $17.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,7028510 2026-10-02: 1,702 OI2026-10-05: 1,702 OI2026-10-06: 1,662 OI2026-10-07: 1,662 OI2026-10-08: 1,662 OI2026-10-09: 1,662 OI2026-10-13: 1,662 OI2026-10-14: 1,662 OI2026-10-15: 1,662 OI2026-10-16: 1,662 OI2026-10-21: 1,662 OI2026-10-23: 1,632 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

KEY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,632-30
Oct 21, 2026Viewing1,6620
Oct 16, 20261,6620
Oct 15, 20261,6620
Oct 14, 20261,6620
Oct 13, 20261,6620
Oct 09, 20261,6620
Oct 08, 20261,6620
Oct 07, 20261,6620
Oct 06, 20261,662-40
Oct 05, 20261,7020
Oct 02, 20261,702No prior observation