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Contract OI history

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Jan 15, 2027 EXPIRATION

MRSH $170.00 Put

MRSH270115P00170000

Latest saved OI282Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRSH $170.00 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. 2821410 2026-10-02: 270 OI2026-10-05: 270 OI2026-10-06: 270 OI2026-10-07: 268 OI2026-10-08: 268 OI2026-10-09: 266 OI2026-10-13: 265 OI2026-10-14: 265 OI2026-10-15: 265 OI2026-10-16: 267 OI2026-10-21: 280 OI2026-10-23: 282 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, 2026Viewing282+2
Oct 21, 2026280+13
Oct 16, 2026267+2
Oct 15, 20262650
Oct 14, 20262650
Oct 13, 2026265-1
Oct 09, 2026266-2
Oct 08, 20262680
Oct 07, 2026268-2
Oct 06, 20262700
Oct 05, 20262700
Oct 02, 2026270No prior observation