OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

W $80.00 Put

W270617P00080000

Latest saved OI78Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
W $80.00 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. 78390 2026-10-02: 70 OI2026-10-05: 70 OI2026-10-06: 70 OI2026-10-07: 70 OI2026-10-08: 70 OI2026-10-09: 70 OI2026-10-13: 70 OI2026-10-14: 70 OI2026-10-15: 70 OI2026-10-16: 72 OI2026-10-21: 72 OI2026-10-23: 78 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, 2026Viewing78+6
Oct 21, 2026720
Oct 16, 202672+2
Oct 15, 2026700
Oct 14, 2026700
Oct 13, 2026700
Oct 09, 2026700
Oct 08, 2026700
Oct 07, 2026700
Oct 06, 2026700
Oct 05, 2026700
Oct 02, 202670No prior observation