OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

OPEN $4.00 Put

OPEN1270115P00004000

Latest saved OI4,939Oct 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 $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. 4,9392,4690 2026-10-09: 4,939 OI2026-10-13: 4,939 OI2026-10-14: 4,939 OI2026-10-15: 4,939 OI2026-10-16: 4,939 OI2026-10-21: 4,939 OI2026-10-23: 4,939 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, 2026Viewing4,9390
Oct 21, 20264,9390
Oct 16, 20264,9390
Oct 15, 20264,9390
Oct 14, 20264,9390
Oct 13, 20264,9390
Oct 09, 20264,939No prior observation