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Contract OI history

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Apr 16, 2027 EXPIRATION

NTSK $22.50 Call

NTSK270416C00022500

Latest saved OI1,465Oct 23, 2026
Last change+55vs 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. 1,5487740 2026-10-09: 1,548 OI2026-10-13: 1,399 OI2026-10-14: 1,404 OI2026-10-15: 1,404 OI2026-10-16: 1,404 OI2026-10-21: 1,410 OI2026-10-23: 1,465 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, 2026Viewing1,465+55
Oct 21, 20261,410+6
Oct 16, 20261,4040
Oct 15, 20261,4040
Oct 14, 20261,404+5
Oct 13, 20261,399-149
Oct 09, 20261,548No prior observation