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Contract OI history

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Dec 18, 2026 EXPIRATION

KEY $21.00 Call

KEY261218C00021000

Latest saved OI1,231Oct 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. 1,2316150 2026-10-02: 1,114 OI2026-10-05: 1,116 OI2026-10-06: 1,110 OI2026-10-07: 1,110 OI2026-10-08: 1,110 OI2026-10-09: 1,137 OI2026-10-13: 1,159 OI2026-10-14: 1,159 OI2026-10-15: 1,159 OI2026-10-16: 1,157 OI2026-10-21: 1,229 OI2026-10-23: 1,231 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, 20261,231+2
Oct 21, 2026Viewing1,229+72
Oct 16, 20261,157-2
Oct 15, 20261,1590
Oct 14, 20261,1590
Oct 13, 20261,159+22
Oct 09, 20261,137+27
Oct 08, 20261,1100
Oct 07, 20261,1100
Oct 06, 20261,110-6
Oct 05, 20261,116+2
Oct 02, 20261,114No prior observation