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Contract OI history

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Mar 19, 2027 EXPIRATION

WELL $260.00 Call

WELL270319C00260000

Latest saved OI202Oct 23, 2026
Last change+59vs 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. 2021010 2026-10-02: 86 OI2026-10-05: 86 OI2026-10-06: 86 OI2026-10-07: 132 OI2026-10-08: 134 OI2026-10-09: 139 OI2026-10-14: 140 OI2026-10-15: 141 OI2026-10-16: 141 OI2026-10-21: 143 OI2026-10-23: 202 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, 2026Viewing202+59
Oct 21, 2026143+2
Oct 16, 20261410
Oct 15, 2026141+1
Oct 14, 2026140+1
Oct 09, 2026139+5
Oct 08, 2026134+2
Oct 07, 2026132+46
Oct 06, 2026860
Oct 05, 2026860
Oct 02, 202686No prior observation