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Contract OI history

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Nov 20, 2026 EXPIRATION

ROST $220.00 Put

ROST261120P00220000

Latest saved OI202Oct 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 $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. 2021010 2026-10-09: 138 OI2026-10-13: 172 OI2026-10-14: 172 OI2026-10-15: 186 OI2026-10-16: 185 OI2026-10-21: 202 OI2026-10-23: 202 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, 2026Viewing2020
Oct 21, 2026202+17
Oct 16, 2026185-1
Oct 15, 2026186+14
Oct 14, 20261720
Oct 13, 2026172+34
Oct 09, 2026138No prior observation