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Contract OI history

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Jan 15, 2027 EXPIRATION

ROST $210.00 Put

ROST270115P00210000

Latest saved OI413Oct 23, 2026
Last change+7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ROST $210.00 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. 4132060 2026-10-09: 335 OI2026-10-13: 373 OI2026-10-14: 373 OI2026-10-15: 405 OI2026-10-16: 405 OI2026-10-21: 406 OI2026-10-23: 413 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, 2026413+7
Oct 21, 2026Viewing406+1
Oct 16, 20264050
Oct 15, 2026405+32
Oct 14, 20263730
Oct 13, 2026373+38
Oct 09, 2026335No prior observation