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Contract OI history

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Jan 15, 2027 EXPIRATION

WELL $240.00 Call

WELL270115C00240000

Latest saved OI501Oct 23, 2026
Last change-18vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WELL $240.00 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. 5192590 2026-10-02: 508 OI2026-10-05: 508 OI2026-10-06: 508 OI2026-10-07: 511 OI2026-10-08: 511 OI2026-10-09: 516 OI2026-10-14: 518 OI2026-10-15: 518 OI2026-10-16: 518 OI2026-10-21: 519 OI2026-10-23: 501 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, 2026Viewing501-18
Oct 21, 2026519+1
Oct 16, 20265180
Oct 15, 20265180
Oct 14, 2026518+2
Oct 09, 2026516+5
Oct 08, 20265110
Oct 07, 2026511+3
Oct 06, 20265080
Oct 05, 20265080
Oct 02, 2026508No prior observation