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Contract OI history

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May 21, 2027 EXPIRATION

WELL $195.00 Put

WELL270521P00195000

Latest saved OI549Oct 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. 5492740 2026-10-02: 27 OI2026-10-05: 27 OI2026-10-06: 27 OI2026-10-07: 200 OI2026-10-08: 549 OI2026-10-09: 549 OI2026-10-14: 549 OI2026-10-15: 549 OI2026-10-16: 549 OI2026-10-21: 549 OI2026-10-23: 549 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, 2026Viewing5490
Oct 21, 20265490
Oct 16, 20265490
Oct 15, 20265490
Oct 14, 20265490
Oct 09, 20265490
Oct 08, 2026549+349
Oct 07, 2026200+173
Oct 06, 2026270
Oct 05, 2026270
Oct 02, 202627No prior observation