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Contract OI history

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Nov 20, 2026 EXPIRATION

ERII $5.00 Put

ERII261120P00005000

Latest saved OI11Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ERII $5.00 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. 1150 2026-10-08: 9 OI2026-10-09: 9 OI2026-10-13: 9 OI2026-10-14: 9 OI2026-10-16: 9 OI2026-10-20: 9 OI2026-10-23: 11 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, 2026Viewing11+2
Oct 20, 202690
Oct 16, 202690
Oct 14, 202690
Oct 13, 202690
Oct 09, 202690
Oct 08, 20269No prior observation