OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

W $87.50 Put

W270319P00087500

Latest saved OI1,463Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
W $87.50 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. 1,4637310 2026-10-02: 1,449 OI2026-10-05: 1,449 OI2026-10-06: 1,450 OI2026-10-07: 1,450 OI2026-10-08: 1,450 OI2026-10-09: 1,450 OI2026-10-13: 1,463 OI2026-10-14: 1,463 OI2026-10-15: 1,463 OI2026-10-16: 1,463 OI2026-10-21: 1,463 OI2026-10-23: 1,463 OI Oct 02, 2026Oct 23, 2026

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

W contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,4630
Oct 21, 2026Viewing1,4630
Oct 16, 20261,4630
Oct 15, 20261,4630
Oct 14, 20261,4630
Oct 13, 20261,463+13
Oct 09, 20261,4500
Oct 08, 20261,4500
Oct 07, 20261,4500
Oct 06, 20261,450+1
Oct 05, 20261,4490
Oct 02, 20261,449No prior observation