OITracker Cboe delayed data

Contract OI history

Back to ROST

Jan 15, 2027 EXPIRATION

ROST $230.00 Put

ROST270115P00230000

Latest saved OI221Oct 23, 2026
Last change+25vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ROST $230.00 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. 2211100 2026-10-09: 175 OI2026-10-13: 176 OI2026-10-14: 176 OI2026-10-15: 176 OI2026-10-16: 196 OI2026-10-21: 196 OI2026-10-23: 221 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, 2026221+25
Oct 21, 2026Viewing1960
Oct 16, 2026196+20
Oct 15, 20261760
Oct 14, 20261760
Oct 13, 2026176+1
Oct 09, 2026175No prior observation