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Contract OI history

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Nov 20, 2026 EXPIRATION

MPC $380.00 Put

MPC261120P00380000

Latest saved OI218Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPC $380.00 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. 2181090 2026-10-02: 37 OI2026-10-05: 46 OI2026-10-06: 81 OI2026-10-07: 81 OI2026-10-08: 109 OI2026-10-09: 142 OI2026-10-13: 146 OI2026-10-14: 138 OI2026-10-15: 171 OI2026-10-16: 212 OI2026-10-21: 218 OI2026-10-23: 218 OI Oct 02, 2026Oct 23, 2026

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

MPC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262180
Oct 21, 2026Viewing218+6
Oct 16, 2026212+41
Oct 15, 2026171+33
Oct 14, 2026138-8
Oct 13, 2026146+4
Oct 09, 2026142+33
Oct 08, 2026109+28
Oct 07, 2026810
Oct 06, 202681+35
Oct 05, 202646+9
Oct 02, 202637No prior observation