Contract OI history
Back to NTSKNov 20, 2026 EXPIRATION
NTSK $22.50 Call
NTSK261120C00022500
Latest saved OI6,319Oct 23, 2026
Last change+11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 6,319 | +11 |
| Oct 21, 2026 | 6,308 | +710 |
| Oct 16, 2026 | 5,598 | +97 |
| Oct 15, 2026 | 5,501 | +23 |
| Oct 14, 2026 | 5,478 | +34 |
| Oct 13, 2026 | 5,444 | +76 |
| Oct 09, 2026 | 5,368 | No prior observation |