OITracker Cboe delayed data

Contract OI history

Back to NTSK

Jan 21, 2028 EXPIRATION

NTSK $35.00 Call

NTSK280121C00035000

Latest saved OI818Oct 23, 2026
Last change+317vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NTSK $35.00 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. 8184090 2026-10-09: 91 OI2026-10-13: 211 OI2026-10-14: 511 OI2026-10-15: 511 OI2026-10-16: 511 OI2026-10-21: 501 OI2026-10-23: 818 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, 2026Viewing818+317
Oct 21, 2026501-10
Oct 16, 20265110
Oct 15, 20265110
Oct 14, 2026511+300
Oct 13, 2026211+120
Oct 09, 202691No prior observation