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Contract OI history

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Jan 21, 2028 EXPIRATION

ROST $240.00 Put

ROST280121P00240000

Latest saved OI379Oct 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 $240.00 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. 3791890 2026-10-09: 323 OI2026-10-13: 323 OI2026-10-14: 323 OI2026-10-15: 346 OI2026-10-16: 379 OI2026-10-21: 379 OI2026-10-23: 379 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, 2026Viewing3790
Oct 21, 20263790
Oct 16, 2026379+33
Oct 15, 2026346+23
Oct 14, 20263230
Oct 13, 20263230
Oct 09, 2026323No prior observation