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Contract OI history

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Mar 19, 2027 EXPIRATION

MRAM $12.50 Put

MRAM270319P00012500

Latest saved OI174Oct 23, 2026
Last change+20vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
MRAM $12.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 174870 2026-10-08: 44 OI2026-10-09: 44 OI2026-10-13: 44 OI2026-10-14: 45 OI2026-10-16: 83 OI2026-10-20: 154 OI2026-10-23: 174 OI Oct 08, 2026Oct 23, 2026

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

MRAM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing174+20
Oct 20, 2026154+71
Oct 16, 202683+38
Oct 14, 202645+1
Oct 13, 2026440
Oct 09, 2026440
Oct 08, 202644No prior observation