OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

KEYS $290.00 Put

KEYS261120P00290000

Latest saved OI535Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KEYS $290.00 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. 5462730 2026-10-02: 546 OI2026-10-05: 541 OI2026-10-06: 513 OI2026-10-07: 513 OI2026-10-08: 513 OI2026-10-09: 510 OI2026-10-13: 512 OI2026-10-14: 512 OI2026-10-15: 512 OI2026-10-16: 512 OI2026-10-21: 523 OI2026-10-23: 535 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

KEYS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing535+12
Oct 21, 2026523+11
Oct 16, 20265120
Oct 15, 20265120
Oct 14, 20265120
Oct 13, 2026512+2
Oct 09, 2026510-3
Oct 08, 20265130
Oct 07, 20265130
Oct 06, 2026513-28
Oct 05, 2026541-5
Oct 02, 2026546No prior observation