OITracker Cboe delayed data

Contract OI history

Back to ZS

Dec 18, 2026 EXPIRATION

ZS $120.00 Put

ZS261218P00120000

Latest saved OI1,466Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $120.00 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. 1,5027510 2026-10-09: 1,502 OI2026-10-12: 1,501 OI2026-10-14: 1,494 OI2026-10-15: 1,487 OI2026-10-16: 1,470 OI2026-10-21: 1,466 OI2026-10-23: 1,466 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, 20261,4660
Oct 21, 2026Viewing1,466-4
Oct 16, 20261,470-17
Oct 15, 20261,487-7
Oct 14, 20261,494-7
Oct 12, 20261,501-1
Oct 09, 20261,502No prior observation