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Contract OI history

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May 21, 2027 EXPIRATION

WELL $260.00 Call

WELL270521C00260000

Latest saved OI292Oct 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 $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. 2921460 2026-10-02: 61 OI2026-10-05: 61 OI2026-10-06: 61 OI2026-10-07: 258 OI2026-10-08: 262 OI2026-10-09: 262 OI2026-10-14: 262 OI2026-10-15: 262 OI2026-10-16: 262 OI2026-10-21: 292 OI2026-10-23: 292 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, 2026Viewing2920
Oct 21, 2026292+30
Oct 16, 20262620
Oct 15, 20262620
Oct 14, 20262620
Oct 09, 20262620
Oct 08, 2026262+4
Oct 07, 2026258+197
Oct 06, 2026610
Oct 05, 2026610
Oct 02, 202661No prior observation