OITracker Cboe delayed data

Contract OI history

Back to NTSK

Dec 18, 2026 EXPIRATION

NTSK $22.50 Call

NTSK261218C00022500

Latest saved OI12,286Oct 23, 2026
Last change-119vs 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. 12,4166,2080 2026-10-09: 12,223 OI2026-10-13: 12,401 OI2026-10-14: 12,414 OI2026-10-15: 12,400 OI2026-10-16: 12,416 OI2026-10-21: 12,405 OI2026-10-23: 12,286 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, 2026Viewing12,286-119
Oct 21, 202612,405-11
Oct 16, 202612,416+16
Oct 15, 202612,400-14
Oct 14, 202612,414+13
Oct 13, 202612,401+178
Oct 09, 202612,223No prior observation