OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

EDIT $5.00 Put

EDIT270219P00005000

Latest saved OI355Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
EDIT $5.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3551770 2026-10-08: 115 OI2026-10-09: 115 OI2026-10-13: 115 OI2026-10-14: 115 OI2026-10-16: 315 OI2026-10-20: 355 OI2026-10-23: 355 OI Oct 08, 2026Oct 23, 2026

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

EDIT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3550
Oct 20, 2026355+40
Oct 16, 2026315+200
Oct 14, 20261150
Oct 13, 20261150
Oct 09, 20261150
Oct 08, 2026115No prior observation