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Contract OI history

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Oct 30, 2026 EXPIRATION

ROST $225.00 Put

ROST261030P00225000

Latest saved OI30Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ROST $225.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 30150 2026-10-09: 23 OI2026-10-13: 25 OI2026-10-14: 25 OI2026-10-15: 25 OI2026-10-16: 25 OI2026-10-21: 25 OI2026-10-23: 30 OI Oct 09, 2026Oct 23, 2026

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

ROST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202630+5
Oct 21, 2026Viewing250
Oct 16, 2026250
Oct 15, 2026250
Oct 14, 2026250
Oct 13, 202625+2
Oct 09, 202623No prior observation