OITracker Cboe delayed data

Contract OI history

Back to W

Dec 18, 2026 EXPIRATION

W $115.00 Put

W261218P00115000

Latest saved OI293Oct 23, 2026
Last change+25vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
W $115.00 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. 2931460 2026-10-02: 168 OI2026-10-05: 168 OI2026-10-06: 172 OI2026-10-07: 172 OI2026-10-08: 162 OI2026-10-09: 162 OI2026-10-13: 162 OI2026-10-14: 162 OI2026-10-15: 162 OI2026-10-16: 265 OI2026-10-21: 268 OI2026-10-23: 293 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, 2026Viewing293+25
Oct 21, 2026268+3
Oct 16, 2026265+103
Oct 15, 20261620
Oct 14, 20261620
Oct 13, 20261620
Oct 09, 20261620
Oct 08, 2026162-10
Oct 07, 20261720
Oct 06, 2026172+4
Oct 05, 20261680
Oct 02, 2026168No prior observation