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Contract OI history

Back to WELL

Jan 15, 2027 EXPIRATION

WELL $210.00 Put

WELL270115P00210000

Latest saved OI1,985Oct 23, 2026
Last change+9vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WELL $210.00 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. 1,9859920 2026-10-02: 1,587 OI2026-10-05: 1,589 OI2026-10-06: 1,589 OI2026-10-07: 1,930 OI2026-10-08: 1,930 OI2026-10-09: 1,933 OI2026-10-14: 1,933 OI2026-10-15: 1,972 OI2026-10-16: 1,972 OI2026-10-21: 1,976 OI2026-10-23: 1,985 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, 2026Viewing1,985+9
Oct 21, 20261,976+4
Oct 16, 20261,9720
Oct 15, 20261,972+39
Oct 14, 20261,9330
Oct 09, 20261,933+3
Oct 08, 20261,9300
Oct 07, 20261,930+341
Oct 06, 20261,5890
Oct 05, 20261,589+2
Oct 02, 20261,587No prior observation