OITracker Cboe delayed data

Contract OI history

Back to ZS

Mar 19, 2027 EXPIRATION

ZS $150.00 Put

ZS270319P00150000

Latest saved OI484Oct 23, 2026
Last change-10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $150.00 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. 4942470 2026-10-09: 489 OI2026-10-12: 487 OI2026-10-14: 487 OI2026-10-15: 487 OI2026-10-16: 493 OI2026-10-21: 494 OI2026-10-23: 484 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, 2026484-10
Oct 21, 2026Viewing494+1
Oct 16, 2026493+6
Oct 15, 20264870
Oct 14, 20264870
Oct 12, 2026487-2
Oct 09, 2026489No prior observation