OITracker Cboe delayed data

Contract OI history

Back to NTAP

Nov 20, 2026 EXPIRATION

NTAP $220.00 Call

NTAP261120C00220000

Latest saved OI973Oct 23, 2026
Last change+21vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTAP $220.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 9734860 2026-10-09: 874 OI2026-10-13: 863 OI2026-10-14: 863 OI2026-10-15: 862 OI2026-10-16: 903 OI2026-10-21: 952 OI2026-10-23: 973 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

NTAP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing973+21
Oct 21, 2026952+49
Oct 16, 2026903+41
Oct 15, 2026862-1
Oct 14, 20268630
Oct 13, 2026863-11
Oct 09, 2026874No prior observation