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Contract OI history

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Nov 20, 2026 EXPIRATION

MDLN $50.00 Call

MDLN261120C00050000

Latest saved OI163Oct 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 $50.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 164820 2026-10-09: 164 OI2026-10-13: 164 OI2026-10-14: 164 OI2026-10-15: 162 OI2026-10-16: 162 OI2026-10-21: 163 OI2026-10-23: 163 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, 20261630
Oct 21, 2026Viewing163+1
Oct 16, 20261620
Oct 15, 2026162-2
Oct 14, 20261640
Oct 13, 20261640
Oct 09, 2026164No prior observation