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Contract OI history

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Oct 23, 2026 EXPIRATION

MPT $3.50 Put

MPT261023P00003500

Latest saved OI202Oct 23, 2026
Last change-28vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPT $3.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4642320 2026-10-02: 363 OI2026-10-05: 464 OI2026-10-06: 464 OI2026-10-07: 391 OI2026-10-08: 444 OI2026-10-09: 448 OI2026-10-13: 398 OI2026-10-14: 362 OI2026-10-16: 272 OI2026-10-21: 230 OI2026-10-23: 202 OI Oct 02, 2026Oct 23, 2026

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

MPT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing202-28
Oct 21, 2026230-42
Oct 16, 2026272-90
Oct 14, 2026362-36
Oct 13, 2026398-50
Oct 09, 2026448+4
Oct 08, 2026444+53
Oct 07, 2026391-73
Oct 06, 20264640
Oct 05, 2026464+101
Oct 02, 2026363No prior observation