OITracker Cboe delayed data

Contract OI history

Back to ZS

Jan 15, 2027 EXPIRATION

ZS $190.00 Put

ZS270115P00190000

Latest saved OI525Oct 23, 2026
Last change-7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $190.00 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. 5322660 2026-10-09: 523 OI2026-10-12: 527 OI2026-10-14: 532 OI2026-10-15: 531 OI2026-10-16: 531 OI2026-10-21: 532 OI2026-10-23: 525 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, 2026Viewing525-7
Oct 21, 2026532+1
Oct 16, 20265310
Oct 15, 2026531-1
Oct 14, 2026532+5
Oct 12, 2026527+4
Oct 09, 2026523No prior observation