OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

ZS $225.00 Put

ZS261106P00225000

Latest saved OI248Oct 23, 2026
Last change+114vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $225.00 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. 2481240 2026-10-09: 2 OI2026-10-12: 3 OI2026-10-14: 3 OI2026-10-15: 13 OI2026-10-16: 134 OI2026-10-21: 134 OI2026-10-23: 248 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ZS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing248+114
Oct 21, 20261340
Oct 16, 2026134+121
Oct 15, 202613+10
Oct 14, 202630
Oct 12, 20263+1
Oct 09, 20262No prior observation