OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

KEYS $280.00 Put

KEYS261120P00280000

Latest saved OI703Oct 23, 2026
Last change+45vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KEYS $280.00 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. 7033510 2026-10-02: 544 OI2026-10-05: 539 OI2026-10-06: 537 OI2026-10-07: 537 OI2026-10-08: 537 OI2026-10-09: 534 OI2026-10-13: 534 OI2026-10-14: 533 OI2026-10-15: 540 OI2026-10-16: 540 OI2026-10-21: 658 OI2026-10-23: 703 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, 2026Viewing703+45
Oct 21, 2026658+118
Oct 16, 20265400
Oct 15, 2026540+7
Oct 14, 2026533-1
Oct 13, 20265340
Oct 09, 2026534-3
Oct 08, 20265370
Oct 07, 20265370
Oct 06, 2026537-2
Oct 05, 2026539-5
Oct 02, 2026544No prior observation