OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

OPEN $2.50 Put

OPEN261106P00002500

Latest saved OI133Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $2.50 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. 133660 2026-10-09: 101 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-15: 104 OI2026-10-16: 115 OI2026-10-21: 131 OI2026-10-23: 133 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, 2026Viewing133+2
Oct 21, 2026131+16
Oct 16, 2026115+11
Oct 15, 2026104+1
Oct 14, 20261030
Oct 13, 2026103+2
Oct 09, 2026101No prior observation