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Contract OI history

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May 21, 2027 EXPIRATION

RMBS $90.00 Put

RMBS270521P00090000

Latest saved OI50Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RMBS $90.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 50250 2026-10-09: 34 OI2026-10-13: 38 OI2026-10-14: 38 OI2026-10-15: 38 OI2026-10-16: 38 OI2026-10-21: 50 OI2026-10-23: 50 OI Oct 09, 2026Oct 23, 2026

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

RMBS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing500
Oct 21, 202650+12
Oct 16, 2026380
Oct 15, 2026380
Oct 14, 2026380
Oct 13, 202638+4
Oct 09, 202634No prior observation