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Contract OI history

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May 21, 2027 EXPIRATION

WELL $300.00 Call

WELL270521C00300000

Latest saved OI707Oct 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 $300.00 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. 7073530 2026-10-02: 702 OI2026-10-05: 702 OI2026-10-06: 702 OI2026-10-07: 702 OI2026-10-08: 702 OI2026-10-09: 702 OI2026-10-14: 702 OI2026-10-15: 702 OI2026-10-16: 702 OI2026-10-21: 707 OI2026-10-23: 707 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, 2026Viewing7070
Oct 21, 2026707+5
Oct 16, 20267020
Oct 15, 20267020
Oct 14, 20267020
Oct 09, 20267020
Oct 08, 20267020
Oct 07, 20267020
Oct 06, 20267020
Oct 05, 20267020
Oct 02, 2026702No prior observation