OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

W $99.00 Put

W261030P00099000

Latest saved OI52Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
W $99.00 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. 52260 2026-10-02: 50 OI2026-10-05: 50 OI2026-10-06: 50 OI2026-10-07: 50 OI2026-10-08: 50 OI2026-10-09: 50 OI2026-10-13: 51 OI2026-10-14: 51 OI2026-10-15: 51 OI2026-10-16: 51 OI2026-10-21: 51 OI2026-10-23: 52 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, 202652+1
Oct 21, 2026Viewing510
Oct 16, 2026510
Oct 15, 2026510
Oct 14, 2026510
Oct 13, 202651+1
Oct 09, 2026500
Oct 08, 2026500
Oct 07, 2026500
Oct 06, 2026500
Oct 05, 2026500
Oct 02, 202650No prior observation