OITracker Cboe delayed data

Contract OI history

Back to WSO

Nov 20, 2026 EXPIRATION

WSO $310.00 Call

WSO261120C00310000

Latest saved OI1,222Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WSO $310.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,2226110 2026-10-02: 1,186 OI2026-10-05: 1,190 OI2026-10-06: 1,202 OI2026-10-07: 1,204 OI2026-10-08: 1,203 OI2026-10-09: 1,204 OI2026-10-14: 1,205 OI2026-10-15: 1,213 OI2026-10-16: 1,216 OI2026-10-21: 1,220 OI2026-10-23: 1,222 OI Oct 02, 2026Oct 23, 2026

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

WSO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,222+2
Oct 21, 20261,220+4
Oct 16, 20261,216+3
Oct 15, 20261,213+8
Oct 14, 20261,205+1
Oct 09, 20261,204+1
Oct 08, 20261,203-1
Oct 07, 20261,204+2
Oct 06, 20261,202+12
Oct 05, 20261,190+4
Oct 02, 20261,186No prior observation