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Contract OI history

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Feb 19, 2027 EXPIRATION

ERII $7.50 Put

ERII270219P00007500

Latest saved OI10,116Oct 23, 2026
Last change+25vs 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. 10,1165,0580 2026-10-08: 10,031 OI2026-10-09: 10,041 OI2026-10-13: 10,077 OI2026-10-14: 10,092 OI2026-10-16: 10,091 OI2026-10-20: 10,091 OI2026-10-23: 10,116 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, 2026Viewing10,116+25
Oct 20, 202610,0910
Oct 16, 202610,091-1
Oct 14, 202610,092+15
Oct 13, 202610,077+36
Oct 09, 202610,041+10
Oct 08, 202610,031No prior observation