OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

OPEN $4.00 Put

OPEN270219P00004000

Latest saved OI2,524Oct 23, 2026
Last change-10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $4.00 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. 2,5341,2670 2026-10-09: 2,534 OI2026-10-13: 2,534 OI2026-10-14: 2,534 OI2026-10-15: 2,534 OI2026-10-16: 2,534 OI2026-10-21: 2,534 OI2026-10-23: 2,524 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, 2026Viewing2,524-10
Oct 21, 20262,5340
Oct 16, 20262,5340
Oct 15, 20262,5340
Oct 14, 20262,5340
Oct 13, 20262,5340
Oct 09, 20262,534No prior observation