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Contract OI history

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Jan 15, 2027 EXPIRATION

MDT $55.00 Put

MDT270115P00055000

Latest saved OI187Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MDT $55.00 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. 190950 2026-10-02: 190 OI2026-10-05: 190 OI2026-10-06: 190 OI2026-10-07: 187 OI2026-10-08: 187 OI2026-10-09: 187 OI2026-10-13: 187 OI2026-10-14: 187 OI2026-10-15: 187 OI2026-10-16: 187 OI2026-10-21: 187 OI2026-10-23: 187 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, 2026Viewing1870
Oct 21, 20261870
Oct 16, 20261870
Oct 15, 20261870
Oct 14, 20261870
Oct 13, 20261870
Oct 09, 20261870
Oct 08, 20261870
Oct 07, 2026187-3
Oct 06, 20261900
Oct 05, 20261900
Oct 02, 2026190No prior observation