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Contract OI history

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Nov 20, 2026 EXPIRATION

KEY $21.00 Put

KEY261120P00021000

Latest saved OI368Oct 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 $21.00 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. 3681840 2026-10-02: 193 OI2026-10-05: 193 OI2026-10-06: 193 OI2026-10-07: 193 OI2026-10-08: 193 OI2026-10-09: 193 OI2026-10-13: 197 OI2026-10-14: 197 OI2026-10-15: 341 OI2026-10-16: 341 OI2026-10-21: 368 OI2026-10-23: 368 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, 2026Viewing3680
Oct 21, 2026368+27
Oct 16, 20263410
Oct 15, 2026341+144
Oct 14, 20261970
Oct 13, 2026197+4
Oct 09, 20261930
Oct 08, 20261930
Oct 07, 20261930
Oct 06, 20261930
Oct 05, 20261930
Oct 02, 2026193No prior observation