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Contract OI history

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Nov 20, 2026 EXPIRATION

ERAS $10.00 Put

ERAS261120P00010000

Latest saved OI2,394Oct 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 $10.00 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. 2,3941,1970 2026-10-08: 2,389 OI2026-10-09: 2,389 OI2026-10-13: 2,389 OI2026-10-14: 2,389 OI2026-10-15: 2,389 OI2026-10-16: 2,388 OI2026-10-21: 2,394 OI2026-10-23: 2,394 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, 2026Viewing2,3940
Oct 21, 20262,394+6
Oct 16, 20262,388-1
Oct 15, 20262,3890
Oct 14, 20262,3890
Oct 13, 20262,3890
Oct 09, 20262,3890
Oct 08, 20262,389No prior observation