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Contract OI history

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Jan 15, 2027 EXPIRATION

WELL $260.00 Call

WELL270115C00260000

Latest saved OI708Oct 23, 2026
Last change+112vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WELL $260.00 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. 7083540 2026-10-02: 459 OI2026-10-05: 466 OI2026-10-06: 465 OI2026-10-07: 472 OI2026-10-08: 472 OI2026-10-09: 472 OI2026-10-14: 476 OI2026-10-15: 518 OI2026-10-16: 518 OI2026-10-21: 596 OI2026-10-23: 708 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, 2026Viewing708+112
Oct 21, 2026596+78
Oct 16, 20265180
Oct 15, 2026518+42
Oct 14, 2026476+4
Oct 09, 20264720
Oct 08, 20264720
Oct 07, 2026472+7
Oct 06, 2026465-1
Oct 05, 2026466+7
Oct 02, 2026459No prior observation