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Contract OI history

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Nov 20, 2026 EXPIRATION

NTSK $25.00 Call

NTSK261120C00025000

Latest saved OI2,240Oct 23, 2026
Last change+883vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTSK $25.00 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. 2,2401,1200 2026-10-09: 668 OI2026-10-13: 757 OI2026-10-14: 795 OI2026-10-15: 1,147 OI2026-10-16: 1,147 OI2026-10-21: 1,357 OI2026-10-23: 2,240 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, 2026Viewing2,240+883
Oct 21, 20261,357+210
Oct 16, 20261,1470
Oct 15, 20261,147+352
Oct 14, 2026795+38
Oct 13, 2026757+89
Oct 09, 2026668No prior observation