OITracker Cboe delayed data

Contract OI history

Back to W

Dec 17, 2027 EXPIRATION

W $22.50 Put

W271217P00022500

Latest saved OI951Oct 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 $22.50 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. 9514750 2026-10-02: 951 OI2026-10-05: 951 OI2026-10-06: 951 OI2026-10-07: 951 OI2026-10-08: 951 OI2026-10-09: 951 OI2026-10-13: 951 OI2026-10-14: 951 OI2026-10-15: 951 OI2026-10-16: 951 OI2026-10-21: 951 OI2026-10-23: 951 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, 2026Viewing9510
Oct 21, 20269510
Oct 16, 20269510
Oct 15, 20269510
Oct 14, 20269510
Oct 13, 20269510
Oct 09, 20269510
Oct 08, 20269510
Oct 07, 20269510
Oct 06, 20269510
Oct 05, 20269510
Oct 02, 2026951No prior observation