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Contract OI history

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Dec 18, 2026 EXPIRATION

NTSK $25.00 Call

NTSK261218C00025000

Latest saved OI2,598Oct 23, 2026
Last change+24vs 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. 4,6832,3410 2026-10-09: 4,683 OI2026-10-13: 2,633 OI2026-10-14: 2,638 OI2026-10-15: 2,647 OI2026-10-16: 2,653 OI2026-10-21: 2,574 OI2026-10-23: 2,598 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, 2026Viewing2,598+24
Oct 21, 20262,574-79
Oct 16, 20262,653+6
Oct 15, 20262,647+9
Oct 14, 20262,638+5
Oct 13, 20262,633-2,050
Oct 09, 20264,683No prior observation