OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

W $35.00 Put

W270115P00035000

Latest saved OI945Oct 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 $35.00 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. 9454720 2026-10-02: 945 OI2026-10-05: 945 OI2026-10-06: 945 OI2026-10-07: 945 OI2026-10-08: 945 OI2026-10-09: 945 OI2026-10-13: 945 OI2026-10-14: 945 OI2026-10-15: 945 OI2026-10-16: 945 OI2026-10-21: 945 OI2026-10-23: 945 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, 20269450
Oct 21, 2026Viewing9450
Oct 16, 20269450
Oct 15, 20269450
Oct 14, 20269450
Oct 13, 20269450
Oct 09, 20269450
Oct 08, 20269450
Oct 07, 20269450
Oct 06, 20269450
Oct 05, 20269450
Oct 02, 2026945No prior observation