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Contract OI history

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Feb 19, 2027 EXPIRATION

EROC $12.50 Put

EROC270219P00012500

Latest saved OI111Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EROC $12.50 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. 129640 2026-10-02: 121 OI2026-10-05: 121 OI2026-10-06: 129 OI2026-10-07: 109 OI2026-10-09: 109 OI2026-10-13: 109 OI2026-10-14: 114 OI2026-10-16: 116 OI2026-10-20: 111 OI2026-10-23: 111 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, 2026Viewing1110
Oct 20, 2026111-5
Oct 16, 2026116+2
Oct 14, 2026114+5
Oct 13, 20261090
Oct 09, 20261090
Oct 07, 2026109-20
Oct 06, 2026129+8
Oct 05, 20261210
Oct 02, 2026121No prior observation