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Contract OI history

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Jan 15, 2027 EXPIRATION

WELL $250.00 Call

WELL270115C00250000

Latest saved OI596Oct 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 $250.00 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. 5962980 2026-10-02: 336 OI2026-10-05: 410 OI2026-10-06: 410 OI2026-10-07: 426 OI2026-10-08: 477 OI2026-10-09: 540 OI2026-10-14: 542 OI2026-10-15: 593 OI2026-10-16: 593 OI2026-10-21: 596 OI2026-10-23: 596 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, 2026Viewing5960
Oct 21, 2026596+3
Oct 16, 20265930
Oct 15, 2026593+51
Oct 14, 2026542+2
Oct 09, 2026540+63
Oct 08, 2026477+51
Oct 07, 2026426+16
Oct 06, 20264100
Oct 05, 2026410+74
Oct 02, 2026336No prior observation