OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

PR $18.00 Put

PR270115P00018000

Latest saved OI714Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PR $18.00 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. 7143570 2026-10-02: 714 OI2026-10-05: 714 OI2026-10-06: 714 OI2026-10-07: 714 OI2026-10-08: 714 OI2026-10-09: 714 OI2026-10-13: 714 OI2026-10-14: 714 OI2026-10-15: 714 OI2026-10-16: 714 OI2026-10-21: 714 OI2026-10-23: 714 OI Oct 02, 2026Oct 23, 2026

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

PR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7140
Oct 21, 20267140
Oct 16, 20267140
Oct 15, 20267140
Oct 14, 20267140
Oct 13, 20267140
Oct 09, 20267140
Oct 08, 20267140
Oct 07, 20267140
Oct 06, 20267140
Oct 05, 20267140
Oct 02, 2026714No prior observation