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Contract OI history

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Nov 20, 2026 EXPIRATION

MDLN $30.00 Put

MDLN261120P00030000

Latest saved OI2,339Oct 23, 2026
Last change+219vs 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. 2,3391,1690 2026-10-09: 2,100 OI2026-10-13: 2,112 OI2026-10-14: 2,112 OI2026-10-15: 2,113 OI2026-10-16: 2,113 OI2026-10-21: 2,120 OI2026-10-23: 2,339 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, 20262,339+219
Oct 21, 2026Viewing2,120+7
Oct 16, 20262,1130
Oct 15, 20262,113+1
Oct 14, 20262,1120
Oct 13, 20262,112+12
Oct 09, 20262,100No prior observation