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Contract OI history

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Feb 19, 2027 EXPIRATION

EROC $10.00 Put

EROC270219P00010000

Latest saved OI392Oct 23, 2026
Last change+5vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EROC $10.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3921960 2026-10-02: 208 OI2026-10-05: 208 OI2026-10-06: 287 OI2026-10-07: 286 OI2026-10-09: 317 OI2026-10-13: 348 OI2026-10-14: 350 OI2026-10-16: 387 OI2026-10-20: 387 OI2026-10-23: 392 OI Oct 02, 2026Oct 23, 2026

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

EROC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing392+5
Oct 20, 20263870
Oct 16, 2026387+37
Oct 14, 2026350+2
Oct 13, 2026348+31
Oct 09, 2026317+31
Oct 07, 2026286-1
Oct 06, 2026287+79
Oct 05, 20262080
Oct 02, 2026208No prior observation