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Contract OI history

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Jan 21, 2028 EXPIRATION

MDT $80.00 Put

MDT280121P00080000

Latest saved OI472Oct 23, 2026
Last change+46vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MDT $80.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4722360 2026-10-02: 329 OI2026-10-05: 329 OI2026-10-06: 328 OI2026-10-07: 327 OI2026-10-08: 327 OI2026-10-09: 327 OI2026-10-13: 426 OI2026-10-14: 426 OI2026-10-15: 426 OI2026-10-16: 426 OI2026-10-21: 426 OI2026-10-23: 472 OI Oct 02, 2026Oct 23, 2026

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

MDT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing472+46
Oct 21, 20264260
Oct 16, 20264260
Oct 15, 20264260
Oct 14, 20264260
Oct 13, 2026426+99
Oct 09, 20263270
Oct 08, 20263270
Oct 07, 2026327-1
Oct 06, 2026328-1
Oct 05, 20263290
Oct 02, 2026329No prior observation