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Contract OI history

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Nov 20, 2026 EXPIRATION

MDLN $32.50 Put

MDLN261120P00032500

Latest saved OI460Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDLN $32.50 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. 4602300 2026-10-09: 428 OI2026-10-13: 429 OI2026-10-14: 429 OI2026-10-15: 429 OI2026-10-16: 430 OI2026-10-21: 455 OI2026-10-23: 460 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, 2026460+5
Oct 21, 2026Viewing455+25
Oct 16, 2026430+1
Oct 15, 20264290
Oct 14, 20264290
Oct 13, 2026429+1
Oct 09, 2026428No prior observation