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Contract OI history

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Nov 20, 2026 EXPIRATION

MRSH $180.00 Put

MRSH261120P00180000

Latest saved OI44Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRSH $180.00 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. 2551270 2026-10-02: 7 OI2026-10-05: 7 OI2026-10-06: 7 OI2026-10-07: 7 OI2026-10-08: 7 OI2026-10-09: 7 OI2026-10-13: 10 OI2026-10-14: 10 OI2026-10-15: 255 OI2026-10-16: 37 OI2026-10-21: 45 OI2026-10-23: 44 OI Oct 02, 2026Oct 23, 2026

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

MRSH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing44-1
Oct 21, 202645+8
Oct 16, 202637-218
Oct 15, 2026255+245
Oct 14, 2026100
Oct 13, 202610+3
Oct 09, 202670
Oct 08, 202670
Oct 07, 202670
Oct 06, 202670
Oct 05, 202670
Oct 02, 20267No prior observation