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Contract OI history

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Jan 15, 2027 EXPIRATION

IRON $75.00 Put

IRON270115P00075000

Latest saved OI235Oct 23, 2026
Last change+16vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IRON $75.00 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. 2351170 2026-10-09: 1 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-16: 1 OI2026-10-20: 219 OI2026-10-23: 235 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, 2026Viewing235+16
Oct 20, 2026219+218
Oct 16, 202610
Oct 14, 202610
Oct 13, 202610
Oct 09, 20261No prior observation