OITracker Cboe delayed data

Contract OI history

Back to ZS

Dec 18, 2026 EXPIRATION

ZS $110.00 Put

ZS261218P00110000

Latest saved OI243Oct 23, 2026
Last change+8vs 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. 2451220 2026-10-09: 245 OI2026-10-12: 235 OI2026-10-14: 235 OI2026-10-15: 235 OI2026-10-16: 234 OI2026-10-21: 235 OI2026-10-23: 243 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, 2026Viewing243+8
Oct 21, 2026235+1
Oct 16, 2026234-1
Oct 15, 20262350
Oct 14, 20262350
Oct 12, 2026235-10
Oct 09, 2026245No prior observation