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Contract OI history

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Nov 20, 2026 EXPIRATION

ERII $7.50 Put

ERII261120P00007500

Latest saved OI22,721Oct 23, 2026
Last change+20vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ERII $7.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 22,72111,3600 2026-10-08: 22,610 OI2026-10-09: 22,625 OI2026-10-13: 22,650 OI2026-10-14: 22,685 OI2026-10-16: 22,685 OI2026-10-20: 22,701 OI2026-10-23: 22,721 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ERII contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing22,721+20
Oct 20, 202622,701+16
Oct 16, 202622,6850
Oct 14, 202622,685+35
Oct 13, 202622,650+25
Oct 09, 202622,625+15
Oct 08, 202622,610No prior observation