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Contract OI history

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Nov 20, 2026 EXPIRATION

ERAS $15.00 Put

ERAS261120P00015000

Latest saved OI2,386Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ERAS $15.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2,3861,1930 2026-10-08: 2,383 OI2026-10-09: 2,383 OI2026-10-13: 2,386 OI2026-10-14: 2,386 OI2026-10-15: 2,386 OI2026-10-16: 2,386 OI2026-10-21: 2,386 OI2026-10-23: 2,386 OI Oct 08, 2026Oct 23, 2026

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

ERAS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,3860
Oct 21, 20262,3860
Oct 16, 20262,3860
Oct 15, 20262,3860
Oct 14, 20262,3860
Oct 13, 20262,386+3
Oct 09, 20262,3830
Oct 08, 20262,383No prior observation