Current NPB price: $17.90
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | |||
| 2025-09-29 | $17.78 | $17.24 | $18.31 |
| 2025-09-30 | $17.78 | $17.24 | $18.31 |
| 2025 October | |||
| 2025-10-01 | $17.86 | $17.33 | $18.40 |
| 2025-10-02 | $18.04 | $17.50 | $18.58 |
| 2025-10-03 | $17.87 | $17.33 | $18.41 |
| 2025-10-04 | $17.70 | $17.17 | $18.23 |
| 2025-10-05 | $17.74 | $17.21 | $18.27 |
| 2025-10-06 | $17.74 | $17.21 | $18.27 |
| 2025-10-07 | $17.74 | $17.21 | $18.27 |
| 2025-10-08 | $17.75 | $17.22 | $18.28 |
| 2025-10-09 | $17.60 | $17.07 | $18.13 |
| 2025-10-10 | $17.43 | $16.91 | $17.96 |
| 2025-10-11 | $17.52 | $16.99 | $18.04 |
| 2025-10-12 | $17.35 | $16.83 | $17.87 |
| 2025-10-13 | $17.53 | $17.00 | $18.05 |
| 2025-10-14 | $17.36 | $16.84 | $17.88 |
| 2025-10-15 | $17.38 | $16.86 | $17.91 |
| 2025-10-16 | $17.40 | $16.88 | $17.92 |
| 2025-10-17 | $17.57 | $17.04 | $18.10 |
| 2025-10-18 | $17.41 | $16.88 | $17.93 |
| 2025-10-19 | $17.58 | $17.05 | $18.11 |
| 2025-10-20 | $17.41 | $16.89 | $17.93 |
| 2025-10-21 | $17.25 | $16.73 | $17.76 |
| 2025-10-22 | $17.42 | $16.90 | $17.94 |
| 2025-10-23 | $17.26 | $16.74 | $17.78 |
| 2025-10-24 | $17.43 | $16.91 | $17.96 |
| 2025-10-25 | $17.59 | $17.06 | $18.12 |
| 2025-10-26 | $17.42 | $16.90 | $17.94 |
| 2025-10-27 | $17.59 | $17.07 | $18.12 |
| 2025-10-28 | $17.43 | $16.90 | $17.95 |
| 2025-10-29 | $17.39 | $16.87 | $17.91 |
| 2025-10-30 | $17.28 | $16.76 | $17.80 |
| 2025-10-31 | $17.15 | $16.63 | $17.66 |
| 2025 November | |||
| 2025-11-01 | $16.98 | $16.48 | $17.49 |
| 2025-11-02 | $16.82 | $16.32 | $17.33 |
| 2025-11-03 | $16.99 | $16.48 | $17.50 |
| 2025-11-04 | $16.83 | $16.32 | $17.33 |
| 2025-11-05 | $17.00 | $16.49 | $17.51 |
| 2025-11-06 | $16.84 | $16.33 | $17.34 |
| 2025-11-07 | $16.83 | $16.33 | $17.34 |
| 2025-11-08 | $16.67 | $16.17 | $17.17 |
| 2025-11-09 | $16.51 | $16.02 | $17.01 |
| 2025-11-10 | $16.38 | $15.89 | $16.87 |
| 2025-11-11 | $16.22 | $15.74 | $16.71 |
| 2025-11-12 | $16.38 | $15.89 | $16.88 |
| 2025-11-13 | $16.55 | $16.05 | $17.04 |
| 2025-11-14 | $16.71 | $16.21 | $17.21 |
| 2025-11-15 | $16.88 | $16.37 | $17.38 |
| 2025-11-16 | $16.88 | $16.37 | $17.38 |
| 2025-11-17 | $16.72 | $16.22 | $17.22 |
| 2025-11-18 | $16.88 | $16.38 | $17.39 |
| 2025-11-19 | $16.72 | $16.22 | $17.23 |
| 2025-11-20 | $16.85 | $16.34 | $17.35 |
| 2025-11-21 | $16.89 | $16.39 | $17.40 |
| 2025-11-22 | $16.78 | $16.28 | $17.29 |
| 2025-11-23 | $16.67 | $16.17 | $17.17 |
| 2025-11-24 | $16.52 | $16.02 | $17.01 |
| 2025-11-25 | $16.68 | $16.18 | $17.18 |
| 2025-11-26 | $16.85 | $16.34 | $17.35 |
| 2025-11-27 | $17.01 | $16.50 | $17.53 |
| 2025-11-28 | $17.01 | $16.50 | $17.53 |
| 2025-11-29 | $16.85 | $16.35 | $17.36 |
| 2025-11-30 | $16.84 | $16.34 | $17.35 |
| 2025 December | |||
| 2025-12-01 | $16.68 | $16.18 | $17.18 |
| 2025-12-02 | $16.85 | $16.34 | $17.35 |
| 2025-12-03 | $16.69 | $16.19 | $17.19 |
| 2025-12-04 | $16.53 | $16.03 | $17.02 |
| 2025-12-05 | $16.37 | $15.88 | $16.86 |
| 2025-12-06 | $16.53 | $16.04 | $17.03 |
| 2025-12-07 | $16.38 | $15.89 | $16.87 |
| 2025-12-08 | $16.54 | $16.04 | $17.04 |
| 2025-12-09 | $16.38 | $15.89 | $16.87 |
| 2025-12-10 | $16.23 | $15.74 | $16.71 |
| 2025-12-11 | $16.07 | $15.59 | $16.55 |
| 2025-12-12 | $16.23 | $15.75 | $16.72 |
| 2025-12-13 | $16.08 | $15.60 | $16.56 |
| 2025-12-14 | $15.98 | $15.50 | $16.46 |
| 2025-12-15 | $16.14 | $15.66 | $16.62 |
| 2025-12-16 | $16.12 | $15.63 | $16.60 |
| 2025-12-17 | $16.28 | $15.79 | $16.76 |
| 2025-12-18 | $16.12 | $15.64 | $16.61 |
| 2025-12-19 | $16.28 | $15.79 | $16.77 |
| 2025-12-20 | $16.13 | $15.64 | $16.61 |
| 2025-12-21 | $15.97 | $15.49 | $16.45 |
| 2025-12-22 | $16.13 | $15.65 | $16.62 |
| 2025-12-23 | $16.16 | $15.67 | $16.64 |
| 2025-12-24 | $16.08 | $15.60 | $16.57 |
| 2025-12-25 | $16.24 | $15.76 | $16.73 |
| 2025-12-26 | $16.41 | $15.91 | $16.90 |
| 2025-12-27 | $16.41 | $15.92 | $16.90 |
| 2025-12-28 | $16.57 | $16.07 | $17.07 |
| 2025-12-29 | $16.74 | $16.23 | $17.24 |
| 2025-12-30 | $16.58 | $16.08 | $17.07 |
| 2025-12-31 | $16.74 | $16.24 | $17.24 |