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Contract OI history

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Jan 21, 2028 EXPIRATION

ROST $250.00 Put

ROST280121P00250000

Latest saved OI48Oct 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 $250.00 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. 48240 2026-10-09: 23 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-15: 23 OI2026-10-16: 48 OI2026-10-21: 48 OI2026-10-23: 48 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, 2026480
Oct 21, 2026Viewing480
Oct 16, 202648+25
Oct 15, 2026230
Oct 14, 2026230
Oct 13, 2026230
Oct 09, 202623No prior observation