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Contract OI history

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Nov 06, 2026 EXPIRATION

ROST $235.00 Put

ROST261106P00235000

Latest saved OI9Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ROST $235.00 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. 940 2026-10-09: 0 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-15: 6 OI2026-10-16: 6 OI2026-10-21: 9 OI2026-10-23: 9 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, 202690
Oct 21, 2026Viewing9+3
Oct 16, 202660
Oct 15, 202660
Oct 14, 202660
Oct 13, 20266+6
Oct 09, 20260No prior observation