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Contract OI history

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Jan 15, 2027 EXPIRATION

NTSK $22.50 Call

NTSK270115C00022500

Latest saved OI377Oct 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 $22.50 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. 6333160 2026-10-09: 580 OI2026-10-13: 578 OI2026-10-14: 583 OI2026-10-15: 620 OI2026-10-16: 633 OI2026-10-21: 383 OI2026-10-23: 377 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, 2026Viewing377-6
Oct 21, 2026383-250
Oct 16, 2026633+13
Oct 15, 2026620+37
Oct 14, 2026583+5
Oct 13, 2026578-2
Oct 09, 2026580No prior observation