OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

W $50.00 Put

W270115P00050000

Latest saved OI96Oct 23, 2026
Last change-10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
W $50.00 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. 106530 2026-10-02: 106 OI2026-10-05: 106 OI2026-10-06: 106 OI2026-10-07: 106 OI2026-10-08: 106 OI2026-10-09: 106 OI2026-10-13: 106 OI2026-10-14: 106 OI2026-10-15: 106 OI2026-10-16: 106 OI2026-10-21: 106 OI2026-10-23: 96 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, 202696-10
Oct 21, 2026Viewing1060
Oct 16, 20261060
Oct 15, 20261060
Oct 14, 20261060
Oct 13, 20261060
Oct 09, 20261060
Oct 08, 20261060
Oct 07, 20261060
Oct 06, 20261060
Oct 05, 20261060
Oct 02, 2026106No prior observation