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Contract OI history

Back to WELL

Jan 15, 2027 EXPIRATION

WELL $200.00 Put

WELL270115P00200000

Latest saved OI1,687Oct 23, 2026
Last change+5vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WELL $200.00 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. 1,6878430 2026-10-02: 1,280 OI2026-10-05: 1,580 OI2026-10-06: 1,580 OI2026-10-07: 1,580 OI2026-10-08: 1,649 OI2026-10-09: 1,549 OI2026-10-14: 1,549 OI2026-10-15: 1,678 OI2026-10-16: 1,680 OI2026-10-21: 1,682 OI2026-10-23: 1,687 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, 2026Viewing1,687+5
Oct 21, 20261,682+2
Oct 16, 20261,680+2
Oct 15, 20261,678+129
Oct 14, 20261,5490
Oct 09, 20261,549-100
Oct 08, 20261,649+69
Oct 07, 20261,5800
Oct 06, 20261,5800
Oct 05, 20261,580+300
Oct 02, 20261,280No prior observation