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Contract OI history

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Nov 20, 2026 EXPIRATION

NTSK $20.00 Call

NTSK261120C00020000

Latest saved OI5,962Oct 23, 2026
Last change-13vs 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. 5,9752,9870 2026-10-09: 347 OI2026-10-13: 397 OI2026-10-14: 402 OI2026-10-15: 403 OI2026-10-16: 412 OI2026-10-21: 5,975 OI2026-10-23: 5,962 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, 2026Viewing5,962-13
Oct 21, 20265,975+5,563
Oct 16, 2026412+9
Oct 15, 2026403+1
Oct 14, 2026402+5
Oct 13, 2026397+50
Oct 09, 2026347No prior observation