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Contract OI history

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Nov 20, 2026 EXPIRATION

EROC $10.00 Put

EROC261120P00010000

Latest saved OI1,953Oct 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 $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. 1,9539760 2026-10-02: 1,043 OI2026-10-05: 1,064 OI2026-10-06: 1,114 OI2026-10-07: 1,115 OI2026-10-09: 1,170 OI2026-10-13: 1,194 OI2026-10-14: 1,395 OI2026-10-16: 1,745 OI2026-10-20: 1,953 OI2026-10-23: 1,953 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, 2026Viewing1,9530
Oct 20, 20261,953+208
Oct 16, 20261,745+350
Oct 14, 20261,395+201
Oct 13, 20261,194+24
Oct 09, 20261,170+55
Oct 07, 20261,115+1
Oct 06, 20261,114+50
Oct 05, 20261,064+21
Oct 02, 20261,043No prior observation