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Contract OI history

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Nov 20, 2026 EXPIRATION

IRON $80.00 Put

IRON261120P00080000

Latest saved OI120Oct 23, 2026
Last change+19vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IRON $80.00 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. 120600 2026-10-09: 32 OI2026-10-13: 32 OI2026-10-14: 32 OI2026-10-16: 32 OI2026-10-20: 101 OI2026-10-23: 120 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, 2026Viewing120+19
Oct 20, 2026101+69
Oct 16, 2026320
Oct 14, 2026320
Oct 13, 2026320
Oct 09, 202632No prior observation