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Contract OI history

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Dec 18, 2026 EXPIRATION

MRAM $17.50 Call

MRAM261218C00017500

Latest saved OI225Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
MRAM $17.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2251120 2026-10-08: 213 OI2026-10-09: 208 OI2026-10-13: 205 OI2026-10-14: 204 OI2026-10-16: 217 OI2026-10-20: 219 OI2026-10-23: 225 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, 2026Viewing225+6
Oct 20, 2026219+2
Oct 16, 2026217+13
Oct 14, 2026204-1
Oct 13, 2026205-3
Oct 09, 2026208-5
Oct 08, 2026213No prior observation