OITracker Cboe delayed data

Contract OI history

Back to WELL

Mar 19, 2027 EXPIRATION

WELL $195.00 Put

WELL270319P00195000

Latest saved OI1,268Oct 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 $195.00 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. 1,2686340 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 609 OI2026-10-08: 1,268 OI2026-10-09: 1,268 OI2026-10-14: 1,268 OI2026-10-15: 1,268 OI2026-10-16: 1,268 OI2026-10-21: 1,268 OI2026-10-23: 1,268 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, 2026Viewing1,2680
Oct 21, 20261,2680
Oct 16, 20261,2680
Oct 15, 20261,2680
Oct 14, 20261,2680
Oct 09, 20261,2680
Oct 08, 20261,268+659
Oct 07, 2026609+608
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation