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Contract OI history

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Nov 20, 2026 EXPIRATION

IRON $25.00 Put

IRON261120P00025000

Latest saved OI2,242Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IRON $25.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,2421,1210 2026-10-09: 2,006 OI2026-10-13: 2,006 OI2026-10-14: 2,010 OI2026-10-16: 2,032 OI2026-10-20: 2,242 OI2026-10-23: 2,242 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, 2026Viewing2,2420
Oct 20, 20262,242+210
Oct 16, 20262,032+22
Oct 14, 20262,010+4
Oct 13, 20262,0060
Oct 09, 20262,006No prior observation