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Contract OI history

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Jan 15, 2027 EXPIRATION

ROST $220.00 Put

ROST270115P00220000

Latest saved OI481Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ROST $220.00 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. 4812400 2026-10-09: 232 OI2026-10-13: 245 OI2026-10-14: 245 OI2026-10-15: 444 OI2026-10-16: 479 OI2026-10-21: 477 OI2026-10-23: 481 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, 2026481+4
Oct 21, 2026Viewing477-2
Oct 16, 2026479+35
Oct 15, 2026444+199
Oct 14, 20262450
Oct 13, 2026245+13
Oct 09, 2026232No prior observation