OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

IP $20.00 Put

IP270115P00020000

Latest saved OI528Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IP $20.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5342670 2026-10-02: 534 OI2026-10-05: 534 OI2026-10-06: 534 OI2026-10-07: 534 OI2026-10-08: 534 OI2026-10-09: 534 OI2026-10-13: 534 OI2026-10-14: 534 OI2026-10-15: 534 OI2026-10-16: 528 OI2026-10-21: 528 OI2026-10-23: 528 OI Oct 02, 2026Oct 23, 2026

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

IP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20265280
Oct 21, 2026Viewing5280
Oct 16, 2026528-6
Oct 15, 20265340
Oct 14, 20265340
Oct 13, 20265340
Oct 09, 20265340
Oct 08, 20265340
Oct 07, 20265340
Oct 06, 20265340
Oct 05, 20265340
Oct 02, 2026534No prior observation