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Contract OI history

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Nov 20, 2026 EXPIRATION

IRON $70.00 Put

IRON261120P00070000

Latest saved OI1,186Oct 23, 2026
Last change-91vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IRON $70.00 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. 1,2776380 2026-10-09: 990 OI2026-10-13: 995 OI2026-10-14: 995 OI2026-10-16: 995 OI2026-10-20: 1,277 OI2026-10-23: 1,186 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, 2026Viewing1,186-91
Oct 20, 20261,277+282
Oct 16, 20269950
Oct 14, 20269950
Oct 13, 2026995+5
Oct 09, 2026990No prior observation