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Contract OI history

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Jan 15, 2027 EXPIRATION

MDLN $30.00 Put

MDLN270115P00030000

Latest saved OI3,648Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDLN $30.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,6971,8480 2026-10-09: 3,697 OI2026-10-13: 3,648 OI2026-10-14: 3,648 OI2026-10-15: 3,648 OI2026-10-16: 3,648 OI2026-10-21: 3,648 OI2026-10-23: 3,648 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MDLN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,6480
Oct 21, 20263,6480
Oct 16, 20263,6480
Oct 15, 20263,6480
Oct 14, 20263,6480
Oct 13, 20263,648-49
Oct 09, 20263,697No prior observation