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Contract OI history

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Jan 15, 2027 EXPIRATION

NTSK $10.00 Put

NTSK270115P00010000

Latest saved OI139Oct 23, 2026
Last change-128vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTSK $10.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2721360 2026-10-09: 272 OI2026-10-13: 267 OI2026-10-14: 267 OI2026-10-15: 267 OI2026-10-16: 267 OI2026-10-21: 267 OI2026-10-23: 139 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, 2026Viewing139-128
Oct 21, 20262670
Oct 16, 20262670
Oct 15, 20262670
Oct 14, 20262670
Oct 13, 2026267-5
Oct 09, 2026272No prior observation