OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

OPEN $1.50 Put

OPEN1271217P00001500

Latest saved OI388Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $1.50 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. 3901950 2026-10-09: 390 OI2026-10-13: 390 OI2026-10-14: 390 OI2026-10-15: 390 OI2026-10-16: 390 OI2026-10-21: 388 OI2026-10-23: 388 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, 2026Viewing3880
Oct 21, 2026388-2
Oct 16, 20263900
Oct 15, 20263900
Oct 14, 20263900
Oct 13, 20263900
Oct 09, 2026390No prior observation