OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

NTSK $20.00 Call

NTSK270115C00020000

Latest saved OI1,013Oct 23, 2026
Last change-19vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTSK $20.00 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. 1,0375180 2026-10-09: 1,024 OI2026-10-13: 1,037 OI2026-10-14: 1,037 OI2026-10-15: 1,025 OI2026-10-16: 1,025 OI2026-10-21: 1,032 OI2026-10-23: 1,013 OI Oct 09, 2026Oct 23, 2026

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

NTSK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,013-19
Oct 21, 20261,032+7
Oct 16, 20261,0250
Oct 15, 20261,025-12
Oct 14, 20261,0370
Oct 13, 20261,037+13
Oct 09, 20261,024No prior observation