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Contract OI history

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Apr 16, 2027 EXPIRATION

NTSK $25.00 Call

NTSK270416C00025000

Latest saved OI678Oct 23, 2026
Last change-1vs 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. 6793390 2026-10-09: 653 OI2026-10-13: 665 OI2026-10-14: 665 OI2026-10-15: 664 OI2026-10-16: 679 OI2026-10-21: 679 OI2026-10-23: 678 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, 2026Viewing678-1
Oct 21, 20266790
Oct 16, 2026679+15
Oct 15, 2026664-1
Oct 14, 20266650
Oct 13, 2026665+12
Oct 09, 2026653No prior observation