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Contract OI history

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Jan 15, 2027 EXPIRATION

NTSK $35.00 Call

NTSK270115C00035000

Latest saved OI147Oct 23, 2026
Last change+27vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTSK $35.00 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. 147730 2026-10-09: 81 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-15: 87 OI2026-10-16: 87 OI2026-10-21: 120 OI2026-10-23: 147 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, 2026Viewing147+27
Oct 21, 2026120+33
Oct 16, 2026870
Oct 15, 202687-16
Oct 14, 20261030
Oct 13, 2026103+22
Oct 09, 202681No prior observation