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Contract OI history

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Jan 15, 2027 EXPIRATION

WELL $270.00 Call

WELL270115C00270000

Latest saved OI575Oct 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 $270.00 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. 5752870 2026-10-02: 570 OI2026-10-05: 570 OI2026-10-06: 570 OI2026-10-07: 570 OI2026-10-08: 570 OI2026-10-09: 570 OI2026-10-14: 570 OI2026-10-15: 570 OI2026-10-16: 570 OI2026-10-21: 574 OI2026-10-23: 575 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, 2026Viewing575+1
Oct 21, 2026574+4
Oct 16, 20265700
Oct 15, 20265700
Oct 14, 20265700
Oct 09, 20265700
Oct 08, 20265700
Oct 07, 20265700
Oct 06, 20265700
Oct 05, 20265700
Oct 02, 2026570No prior observation