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Contract OI history

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Nov 20, 2026 EXPIRATION

IRON $90.00 Call

IRON261120C00090000

Latest saved OI5,439Oct 23, 2026
Last change+23vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IRON $90.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5,4392,7190 2026-10-09: 5,002 OI2026-10-13: 5,014 OI2026-10-14: 5,014 OI2026-10-16: 5,414 OI2026-10-20: 5,416 OI2026-10-23: 5,439 OI Oct 09, 2026Oct 23, 2026

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

IRON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5,439+23
Oct 20, 20265,416+2
Oct 16, 20265,414+400
Oct 14, 20265,0140
Oct 13, 20265,014+12
Oct 09, 20265,002No prior observation