OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

D $55.00 Put

D270115P00055000

Latest saved OI734Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
D $55.00 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. 7343670 2026-10-02: 734 OI2026-10-05: 734 OI2026-10-06: 734 OI2026-10-07: 734 OI2026-10-08: 734 OI2026-10-09: 734 OI2026-10-13: 734 OI2026-10-14: 734 OI2026-10-15: 734 OI2026-10-16: 734 OI2026-10-21: 734 OI2026-10-23: 734 OI Oct 02, 2026Oct 23, 2026

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

D contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7340
Oct 21, 20267340
Oct 16, 20267340
Oct 15, 20267340
Oct 14, 20267340
Oct 13, 20267340
Oct 09, 20267340
Oct 08, 20267340
Oct 07, 20267340
Oct 06, 20267340
Oct 05, 20267340
Oct 02, 2026734No prior observation