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Contract OI history

Back to WELL

Jan 15, 2027 EXPIRATION

WELL $230.00 Put

WELL270115P00230000

Latest saved OI70Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WELL $230.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 70350 2026-10-02: 70 OI2026-10-05: 68 OI2026-10-06: 68 OI2026-10-07: 68 OI2026-10-08: 68 OI2026-10-09: 68 OI2026-10-14: 69 OI2026-10-15: 69 OI2026-10-16: 66 OI2026-10-21: 68 OI2026-10-23: 70 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, 2026Viewing70+2
Oct 21, 202668+2
Oct 16, 202666-3
Oct 15, 2026690
Oct 14, 202669+1
Oct 09, 2026680
Oct 08, 2026680
Oct 07, 2026680
Oct 06, 2026680
Oct 05, 202668-2
Oct 02, 202670No prior observation