OITracker Cboe delayed data

Contract OI history

Back to W

Jan 15, 2027 EXPIRATION

W $20.00 Put

W270115P00020000

Latest saved OI5,448Oct 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 $20.00 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. 5,4482,7240 2026-10-02: 5,448 OI2026-10-05: 5,448 OI2026-10-06: 5,448 OI2026-10-07: 5,448 OI2026-10-08: 5,448 OI2026-10-09: 5,448 OI2026-10-13: 5,448 OI2026-10-14: 5,448 OI2026-10-15: 5,448 OI2026-10-16: 5,448 OI2026-10-21: 5,448 OI2026-10-23: 5,448 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, 20265,4480
Oct 21, 2026Viewing5,4480
Oct 16, 20265,4480
Oct 15, 20265,4480
Oct 14, 20265,4480
Oct 13, 20265,4480
Oct 09, 20265,4480
Oct 08, 20265,4480
Oct 07, 20265,4480
Oct 06, 20265,4480
Oct 05, 20265,4480
Oct 02, 20265,448No prior observation