OITracker Cboe delayed data

Contract OI history

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May 21, 2027 EXPIRATION

P $120.00 Put

P270521P00120000

Latest saved OI30Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
P $120.00 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. 30150 2026-10-02: 9 OI2026-10-05: 7 OI2026-10-06: 26 OI2026-10-07: 26 OI2026-10-08: 26 OI2026-10-09: 26 OI2026-10-13: 26 OI2026-10-14: 26 OI2026-10-15: 26 OI2026-10-16: 26 OI2026-10-21: 26 OI2026-10-23: 30 OI Oct 02, 2026Oct 23, 2026

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

P contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202630+4
Oct 21, 2026Viewing260
Oct 16, 2026260
Oct 15, 2026260
Oct 14, 2026260
Oct 13, 2026260
Oct 09, 2026260
Oct 08, 2026260
Oct 07, 2026260
Oct 06, 202626+19
Oct 05, 20267-2
Oct 02, 20269No prior observation