Rydex Biotechnology Fund Class A (RYBOX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
77.70
+1.43 (1.87%)
At close: Oct 15, 2026
RYBOX Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | 77.70 | 77.70 | 77.70 | 77.70 | 77.70 | 1.87% |
| Oct 14, 2026 | 76.27 | 76.27 | 76.27 | 76.27 | 76.27 | 1.72% |
| Oct 13, 2026 | 74.98 | 74.98 | 74.98 | 74.98 | 74.98 | -2.22% |
| Oct 12, 2026 | 76.68 | 76.68 | 76.68 | 76.68 | 76.68 | -0.74% |
| Oct 9, 2026 | 77.25 | 77.25 | 77.25 | 77.25 | 77.25 | 2.64% |
| Oct 8, 2026 | 75.26 | 75.26 | 75.26 | 75.26 | 75.26 | -1.12% |
| Oct 7, 2026 | 76.11 | 76.11 | 76.11 | 76.11 | 76.11 | 0.13% |
| Oct 6, 2026 | 76.01 | 76.01 | 76.01 | 76.01 | 76.01 | -2.19% |
| Oct 5, 2026 | 77.71 | 77.71 | 77.71 | 77.71 | 77.71 | 1.29% |
| Oct 2, 2026 | 76.72 | 76.72 | 76.72 | 76.72 | 76.72 | 0.07% |
| Oct 1, 2026 | 76.67 | 76.67 | 76.67 | 76.67 | 76.67 | -1.84% |
| Sep 30, 2026 | 78.11 | 78.11 | 78.11 | 78.11 | 78.11 | -0.61% |
| Sep 29, 2026 | 78.59 | 78.59 | 78.59 | 78.59 | 78.59 | -0.14% |
| Sep 28, 2026 | 78.70 | 78.70 | 78.70 | 78.70 | 78.70 | 0.32% |
| Sep 25, 2026 | 78.45 | 78.45 | 78.45 | 78.45 | 78.45 | -0.05% |
| Sep 24, 2026 | 78.49 | 78.49 | 78.49 | 78.49 | 78.49 | 0.86% |
| Sep 23, 2026 | 77.82 | 77.82 | 77.82 | 77.82 | 77.82 | -1.82% |
| Sep 22, 2026 | 79.26 | 79.26 | 79.26 | 79.26 | 79.26 | 1.79% |
| Sep 21, 2026 | 77.87 | 77.87 | 77.87 | 77.87 | 77.87 | 1.13% |
| Sep 18, 2026 | 77.00 | 77.00 | 77.00 | 77.00 | 77.00 | -1.17% |
| Sep 17, 2026 | 77.91 | 77.91 | 77.91 | 77.91 | 77.91 | 2.12% |
| Sep 16, 2026 | 76.29 | 76.29 | 76.29 | 76.29 | 76.29 | 0.30% |
| Sep 15, 2026 | 76.06 | 76.06 | 76.06 | 76.06 | 76.06 | -1.53% |
| Sep 14, 2026 | 77.24 | 77.24 | 77.24 | 77.24 | 77.24 | 0.81% |
| Sep 11, 2026 | 76.62 | 76.62 | 76.62 | 76.62 | 76.62 | 0.17% |
| Sep 10, 2026 | 76.49 | 76.49 | 76.49 | 76.49 | 76.49 | -0.86% |
| Sep 9, 2026 | 77.15 | 77.15 | 77.15 | 77.15 | 77.15 | -0.57% |
| Sep 8, 2026 | 77.59 | 77.59 | 77.59 | 77.59 | 77.59 | -2.01% |
| Sep 4, 2026 | 79.18 | 79.18 | 79.18 | 79.18 | 79.18 | -0.86% |
| Sep 3, 2026 | 79.87 | 79.87 | 79.87 | 79.87 | 79.87 | -0.17% |
| Sep 2, 2026 | 80.01 | 80.01 | 80.01 | 80.01 | 80.01 | 1.24% |
| Sep 1, 2026 | 79.03 | 79.03 | 79.03 | 79.03 | 79.03 | 1.05% |
| Aug 31, 2026 | 78.21 | 78.21 | 78.21 | 78.21 | 78.21 | 0.13% |
| Aug 28, 2026 | 78.11 | 78.11 | 78.11 | 78.11 | 78.11 | -2.74% |
| Aug 27, 2026 | 80.31 | 80.31 | 80.31 | 80.31 | 80.31 | -0.40% |
| Aug 26, 2026 | 80.63 | 80.63 | 80.63 | 80.63 | 80.63 | -0.47% |
| Aug 25, 2026 | 81.01 | 81.01 | 81.01 | 81.01 | 81.01 | 1.85% |
| Aug 24, 2026 | 79.54 | 79.54 | 79.54 | 79.54 | 79.54 | -0.54% |
| Aug 21, 2026 | 79.97 | 79.97 | 79.97 | 79.97 | 79.97 | 1.55% |
| Aug 20, 2026 | 78.75 | 78.75 | 78.75 | 78.75 | 78.75 | -3.12% |
| Aug 19, 2026 | 81.29 | 81.29 | 81.29 | 81.29 | 81.29 | 6.86% |
| Aug 18, 2026 | 76.07 | 76.07 | 76.07 | 76.07 | 76.07 | 0.80% |
| Aug 17, 2026 | 75.47 | 75.47 | 75.47 | 75.47 | 75.47 | 1.53% |
| Aug 14, 2026 | 74.33 | 74.33 | 74.33 | 74.33 | 74.33 | -0.32% |
| Aug 13, 2026 | 74.57 | 74.57 | 74.57 | 74.57 | 74.57 | -1.07% |
| Aug 12, 2026 | 75.38 | 75.38 | 75.38 | 75.38 | 75.38 | 0.19% |
| Aug 11, 2026 | 75.24 | 75.24 | 75.24 | 75.24 | 75.24 | -0.27% |
| Aug 10, 2026 | 75.44 | 75.44 | 75.44 | 75.44 | 75.44 | 1.03% |
| Aug 7, 2026 | 74.67 | 74.67 | 74.67 | 74.67 | 74.67 | 2.29% |
| Aug 6, 2026 | 73.00 | 73.00 | 73.00 | 73.00 | 73.00 | 0.12% |