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Contract OI history

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Nov 20, 2026 EXPIRATION

MCO $410.00 Put

MCO261120P00410000

Latest saved OI120Oct 23, 2026
Last change-11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MCO $410.00 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. 131650 2026-10-02: 59 OI2026-10-05: 66 OI2026-10-06: 68 OI2026-10-07: 68 OI2026-10-08: 73 OI2026-10-09: 102 OI2026-10-13: 102 OI2026-10-14: 101 OI2026-10-15: 101 OI2026-10-16: 96 OI2026-10-21: 131 OI2026-10-23: 120 OI Oct 02, 2026Oct 23, 2026

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

MCO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing120-11
Oct 21, 2026131+35
Oct 16, 202696-5
Oct 15, 20261010
Oct 14, 2026101-1
Oct 13, 20261020
Oct 09, 2026102+29
Oct 08, 202673+5
Oct 07, 2026680
Oct 06, 202668+2
Oct 05, 202666+7
Oct 02, 202659No prior observation