OITracker Cboe delayed data

Contract OI history

Back to WELL

Jan 15, 2027 EXPIRATION

WELL $150.00 Put

WELL270115P00150000

Latest saved OI185Oct 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 $150.00 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. 185920 2026-10-02: 173 OI2026-10-05: 173 OI2026-10-06: 178 OI2026-10-07: 178 OI2026-10-08: 184 OI2026-10-09: 184 OI2026-10-14: 184 OI2026-10-15: 185 OI2026-10-16: 185 OI2026-10-21: 185 OI2026-10-23: 185 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, 2026Viewing1850
Oct 21, 20261850
Oct 16, 20261850
Oct 15, 2026185+1
Oct 14, 20261840
Oct 09, 20261840
Oct 08, 2026184+6
Oct 07, 20261780
Oct 06, 2026178+5
Oct 05, 20261730
Oct 02, 2026173No prior observation