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Contract OI history

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Nov 20, 2026 EXPIRATION

KEY $19.00 Put

KEY261120P00019000

Latest saved OI1,823Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KEY $19.00 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. 1,8239110 2026-10-02: 358 OI2026-10-05: 389 OI2026-10-06: 391 OI2026-10-07: 392 OI2026-10-08: 392 OI2026-10-09: 393 OI2026-10-13: 394 OI2026-10-14: 394 OI2026-10-15: 941 OI2026-10-16: 942 OI2026-10-21: 1,816 OI2026-10-23: 1,823 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, 20261,823+7
Oct 21, 2026Viewing1,816+874
Oct 16, 2026942+1
Oct 15, 2026941+547
Oct 14, 20263940
Oct 13, 2026394+1
Oct 09, 2026393+1
Oct 08, 20263920
Oct 07, 2026392+1
Oct 06, 2026391+2
Oct 05, 2026389+31
Oct 02, 2026358No prior observation