OITracker Cboe delayed data

Contract OI history

Back to NTAP

Nov 20, 2026 EXPIRATION

NTAP $180.00 Put

NTAP261120P00180000

Latest saved OI143Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTAP $180.00 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. 151750 2026-10-09: 131 OI2026-10-13: 146 OI2026-10-14: 146 OI2026-10-15: 151 OI2026-10-16: 150 OI2026-10-21: 138 OI2026-10-23: 143 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, 2026Viewing143+5
Oct 21, 2026138-12
Oct 16, 2026150-1
Oct 15, 2026151+5
Oct 14, 20261460
Oct 13, 2026146+15
Oct 09, 2026131No prior observation