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Contract OI history

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Jan 15, 2027 EXPIRATION

ERAS $15.00 Put

ERAS270115P00015000

Latest saved OI5,314Oct 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. 5,4062,7030 2026-10-08: 5,406 OI2026-10-09: 5,097 OI2026-10-13: 4,720 OI2026-10-14: 5,175 OI2026-10-15: 5,175 OI2026-10-16: 5,175 OI2026-10-21: 5,314 OI2026-10-23: 5,314 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, 2026Viewing5,3140
Oct 21, 20265,314+139
Oct 16, 20265,1750
Oct 15, 20265,1750
Oct 14, 20265,175+455
Oct 13, 20264,720-377
Oct 09, 20265,097-309
Oct 08, 20265,406No prior observation