OITracker Cboe delayed data

Contract OI history

Back to WM

Jan 15, 2027 EXPIRATION

WM $185.00 Put

WM270115P00185000

Latest saved OI159Oct 23, 2026
Last change+4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WM $185.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 159790 2026-10-02: 105 OI2026-10-05: 105 OI2026-10-06: 105 OI2026-10-07: 105 OI2026-10-08: 105 OI2026-10-09: 153 OI2026-10-14: 153 OI2026-10-15: 153 OI2026-10-16: 153 OI2026-10-21: 155 OI2026-10-23: 159 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026159+4
Oct 21, 2026Viewing155+2
Oct 16, 20261530
Oct 15, 20261530
Oct 14, 20261530
Oct 09, 2026153+48
Oct 08, 20261050
Oct 07, 20261050
Oct 06, 20261050
Oct 05, 20261050
Oct 02, 2026105No prior observation