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Contract OI history

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Nov 20, 2026 EXPIRATION

IRON $75.00 Call

IRON261120C00075000

Latest saved OI600Oct 23, 2026
Last change+12vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IRON $75.00 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. 6003000 2026-10-09: 501 OI2026-10-13: 501 OI2026-10-14: 502 OI2026-10-16: 512 OI2026-10-20: 588 OI2026-10-23: 600 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, 2026Viewing600+12
Oct 20, 2026588+76
Oct 16, 2026512+10
Oct 14, 2026502+1
Oct 13, 20265010
Oct 09, 2026501No prior observation