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Contract OI history

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Nov 20, 2026 EXPIRATION

KEY $20.00 Put

KEY261120P00020000

Latest saved OI1,413Oct 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 $20.00 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. 1,4207100 2026-10-02: 857 OI2026-10-05: 859 OI2026-10-06: 840 OI2026-10-07: 848 OI2026-10-08: 848 OI2026-10-09: 988 OI2026-10-13: 985 OI2026-10-14: 985 OI2026-10-15: 985 OI2026-10-16: 985 OI2026-10-21: 1,420 OI2026-10-23: 1,413 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, 20261,413-7
Oct 21, 2026Viewing1,420+435
Oct 16, 20269850
Oct 15, 20269850
Oct 14, 20269850
Oct 13, 2026985-3
Oct 09, 2026988+140
Oct 08, 20268480
Oct 07, 2026848+8
Oct 06, 2026840-19
Oct 05, 2026859+2
Oct 02, 2026857No prior observation