OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

D $47.50 Put

D280121P00047500

Latest saved OI342Oct 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 $47.50 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. 3421710 2026-10-02: 60 OI2026-10-05: 60 OI2026-10-06: 60 OI2026-10-07: 60 OI2026-10-08: 60 OI2026-10-09: 60 OI2026-10-13: 60 OI2026-10-14: 60 OI2026-10-15: 110 OI2026-10-16: 160 OI2026-10-21: 342 OI2026-10-23: 342 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, 2026Viewing3420
Oct 21, 2026342+182
Oct 16, 2026160+50
Oct 15, 2026110+50
Oct 14, 2026600
Oct 13, 2026600
Oct 09, 2026600
Oct 08, 2026600
Oct 07, 2026600
Oct 06, 2026600
Oct 05, 2026600
Oct 02, 202660No prior observation