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Contract OI history

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Dec 18, 2026 EXPIRATION

NTSK $35.00 Call

NTSK261218C00035000

Latest saved OI1,132Oct 23, 2026
Last change-6vs 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. 1,1615800 2026-10-09: 1,161 OI2026-10-13: 1,144 OI2026-10-14: 1,143 OI2026-10-15: 1,141 OI2026-10-16: 1,141 OI2026-10-21: 1,138 OI2026-10-23: 1,132 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, 2026Viewing1,132-6
Oct 21, 20261,138-3
Oct 16, 20261,1410
Oct 15, 20261,141-2
Oct 14, 20261,143-1
Oct 13, 20261,144-17
Oct 09, 20261,161No prior observation