OITracker Cboe delayed data

Contract OI history

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Sep 15, 2028 EXPIRATION

OPEN $2.00 Put

OPEN280915P00002000

Latest saved OI789Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $2.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7893940 2026-10-09: 723 OI2026-10-13: 781 OI2026-10-14: 781 OI2026-10-15: 781 OI2026-10-16: 781 OI2026-10-21: 785 OI2026-10-23: 789 OI Oct 09, 2026Oct 23, 2026

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

OPEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing789+4
Oct 21, 2026785+4
Oct 16, 20267810
Oct 15, 20267810
Oct 14, 20267810
Oct 13, 2026781+58
Oct 09, 2026723No prior observation