OITracker Cboe delayed data

Contract OI history

Back to WELL

Jan 15, 2027 EXPIRATION

WELL $180.00 Call

WELL270115C00180000

Latest saved OI1,021Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WELL $180.00 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. 1,0215100 2026-10-02: 1,021 OI2026-10-05: 1,021 OI2026-10-06: 1,021 OI2026-10-07: 1,021 OI2026-10-08: 1,021 OI2026-10-09: 1,021 OI2026-10-14: 1,021 OI2026-10-15: 1,021 OI2026-10-16: 1,021 OI2026-10-21: 1,021 OI2026-10-23: 1,021 OI Oct 02, 2026Oct 23, 2026

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

WELL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,0210
Oct 21, 20261,0210
Oct 16, 20261,0210
Oct 15, 20261,0210
Oct 14, 20261,0210
Oct 09, 20261,0210
Oct 08, 20261,0210
Oct 07, 20261,0210
Oct 06, 20261,0210
Oct 05, 20261,0210
Oct 02, 20261,021No prior observation