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Contract OI history

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Jun 17, 2027 EXPIRATION

ERAS $15.00 Put

ERAS270617P00015000

Latest saved OI128Oct 23, 2026
Last change+22vs 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. 128640 2026-10-08: 18 OI2026-10-09: 18 OI2026-10-13: 26 OI2026-10-14: 26 OI2026-10-15: 104 OI2026-10-16: 106 OI2026-10-21: 106 OI2026-10-23: 128 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, 2026Viewing128+22
Oct 21, 20261060
Oct 16, 2026106+2
Oct 15, 2026104+78
Oct 14, 2026260
Oct 13, 202626+8
Oct 09, 2026180
Oct 08, 202618No prior observation