OITracker Cboe delayed data

Contract OI history

Back to ZS

Jan 21, 2028 EXPIRATION

ZS $110.00 Put

ZS280121P00110000

Latest saved OI225Oct 23, 2026
Last change-12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $110.00 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. 2371180 2026-10-09: 223 OI2026-10-12: 223 OI2026-10-14: 237 OI2026-10-15: 237 OI2026-10-16: 237 OI2026-10-21: 237 OI2026-10-23: 225 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, 2026225-12
Oct 21, 2026Viewing2370
Oct 16, 20262370
Oct 15, 20262370
Oct 14, 2026237+14
Oct 12, 20262230
Oct 09, 2026223No prior observation