OITracker Cboe delayed data

Contract OI history

Back to WELL

Jan 15, 2027 EXPIRATION

WELL $190.00 Put

WELL270115P00190000

Latest saved OI750Oct 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 $190.00 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. 7573780 2026-10-02: 740 OI2026-10-05: 740 OI2026-10-06: 740 OI2026-10-07: 740 OI2026-10-08: 748 OI2026-10-09: 754 OI2026-10-14: 757 OI2026-10-15: 750 OI2026-10-16: 750 OI2026-10-21: 750 OI2026-10-23: 750 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, 2026Viewing7500
Oct 21, 20267500
Oct 16, 20267500
Oct 15, 2026750-7
Oct 14, 2026757+3
Oct 09, 2026754+6
Oct 08, 2026748+8
Oct 07, 20267400
Oct 06, 20267400
Oct 05, 20267400
Oct 02, 2026740No prior observation