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Contract OI history

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Jan 21, 2028 EXPIRATION

MPT $4.00 Put

MPT280121P00004000

Latest saved OI5,748Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPT $4.00 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. 5,7482,8740 2026-10-02: 5,696 OI2026-10-05: 5,696 OI2026-10-06: 5,694 OI2026-10-07: 5,708 OI2026-10-08: 5,708 OI2026-10-09: 5,708 OI2026-10-13: 5,748 OI2026-10-14: 5,748 OI2026-10-16: 5,748 OI2026-10-21: 5,748 OI2026-10-23: 5,748 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, 2026Viewing5,7480
Oct 21, 20265,7480
Oct 16, 20265,7480
Oct 14, 20265,7480
Oct 13, 20265,748+40
Oct 09, 20265,7080
Oct 08, 20265,7080
Oct 07, 20265,708+14
Oct 06, 20265,694-2
Oct 05, 20265,6960
Oct 02, 20265,696No prior observation