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Contract OI history

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Dec 18, 2026 EXPIRATION

KEY $22.00 Put

KEY261218P00022000

Latest saved OI395Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KEY $22.00 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. 4132060 2026-10-02: 413 OI2026-10-05: 412 OI2026-10-06: 405 OI2026-10-07: 404 OI2026-10-08: 404 OI2026-10-09: 396 OI2026-10-13: 396 OI2026-10-14: 396 OI2026-10-15: 396 OI2026-10-16: 396 OI2026-10-21: 395 OI2026-10-23: 395 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, 20263950
Oct 21, 2026Viewing395-1
Oct 16, 20263960
Oct 15, 20263960
Oct 14, 20263960
Oct 13, 20263960
Oct 09, 2026396-8
Oct 08, 20264040
Oct 07, 2026404-1
Oct 06, 2026405-7
Oct 05, 2026412-1
Oct 02, 2026413No prior observation