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Contract OI history

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Jan 15, 2027 EXPIRATION

WELL $230.00 Call

WELL270115C00230000

Latest saved OI652Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WELL $230.00 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. 6523260 2026-10-02: 631 OI2026-10-05: 631 OI2026-10-06: 629 OI2026-10-07: 632 OI2026-10-08: 634 OI2026-10-09: 635 OI2026-10-14: 635 OI2026-10-15: 648 OI2026-10-16: 648 OI2026-10-21: 651 OI2026-10-23: 652 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, 2026Viewing652+1
Oct 21, 2026651+3
Oct 16, 20266480
Oct 15, 2026648+13
Oct 14, 20266350
Oct 09, 2026635+1
Oct 08, 2026634+2
Oct 07, 2026632+3
Oct 06, 2026629-2
Oct 05, 20266310
Oct 02, 2026631No prior observation