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Contract OI history

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Nov 20, 2026 EXPIRATION

KEY $21.00 Call

KEY261120C00021000

Latest saved OI1,811Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KEY $21.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,8139060 2026-10-02: 186 OI2026-10-05: 188 OI2026-10-06: 193 OI2026-10-07: 193 OI2026-10-08: 193 OI2026-10-09: 204 OI2026-10-13: 211 OI2026-10-14: 211 OI2026-10-15: 377 OI2026-10-16: 394 OI2026-10-21: 1,813 OI2026-10-23: 1,811 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, 20261,811-2
Oct 21, 2026Viewing1,813+1,419
Oct 16, 2026394+17
Oct 15, 2026377+166
Oct 14, 20262110
Oct 13, 2026211+7
Oct 09, 2026204+11
Oct 08, 20261930
Oct 07, 20261930
Oct 06, 2026193+5
Oct 05, 2026188+2
Oct 02, 2026186No prior observation