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Contract OI history

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Dec 18, 2026 EXPIRATION

NTSK $5.00 Put

NTSK261218P00005000

Latest saved OI465Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTSK $5.00 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. 4662330 2026-10-09: 466 OI2026-10-13: 466 OI2026-10-14: 466 OI2026-10-15: 466 OI2026-10-16: 465 OI2026-10-21: 465 OI2026-10-23: 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, 2026Viewing4650
Oct 21, 20264650
Oct 16, 2026465-1
Oct 15, 20264660
Oct 14, 20264660
Oct 13, 20264660
Oct 09, 2026466No prior observation