Rydex Biotechnology Fund Class Investor (RYOIX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
81.68
+0.79 (0.98%)
Jun 18, 2026, 8:10 AM EST
RYOIX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| Jun 18, 2026 | 81.68 | 81.68 | 81.68 | 81.68 | - | - |
| Jun 17, 2026 | 81.68 | 81.68 | 81.68 | 81.68 | 81.68 | 0.98% |
| Jun 16, 2026 | 80.89 | 80.89 | 80.89 | 80.89 | 80.89 | -0.39% |
| Jun 15, 2026 | 81.21 | 81.21 | 81.21 | 81.21 | 81.21 | 0.72% |
| Jun 12, 2026 | 80.63 | 80.63 | 80.63 | 80.63 | 80.63 | 0.11% |
| Jun 11, 2026 | 80.54 | 80.54 | 80.54 | 80.54 | 80.54 | 2.44% |
| Jun 10, 2026 | 78.62 | 78.62 | 78.62 | 78.62 | 78.62 | -1.64% |
| Jun 9, 2026 | 79.93 | 79.93 | 79.93 | 79.93 | 79.93 | 1.73% |
| Jun 8, 2026 | 78.57 | 78.57 | 78.57 | 78.57 | 78.57 | -1.03% |
| Jun 5, 2026 | 79.39 | 79.39 | 79.39 | 79.39 | 79.39 | -1.51% |
| Jun 4, 2026 | 80.61 | 80.61 | 80.61 | 80.61 | 80.61 | 2.44% |
| Jun 3, 2026 | 78.69 | 78.69 | 78.69 | 78.69 | 78.69 | 2.01% |
| Jun 2, 2026 | 77.14 | 77.14 | 77.14 | 77.14 | 77.14 | -2.50% |
| Jun 1, 2026 | 79.12 | 79.12 | 79.12 | 79.12 | 79.12 | -2.02% |
| May 29, 2026 | 80.75 | 80.75 | 80.75 | 80.75 | 80.75 | -0.01% |
| May 28, 2026 | 80.76 | 80.76 | 80.76 | 80.76 | 80.76 | 1.24% |
| May 27, 2026 | 79.77 | 79.77 | 79.77 | 79.77 | 79.77 | 0.59% |
| May 26, 2026 | 79.30 | 79.30 | 79.30 | 79.30 | 79.30 | 0.11% |
| May 22, 2026 | 79.21 | 79.21 | 79.21 | 79.21 | 79.21 | -0.04% |
| May 21, 2026 | 79.24 | 79.24 | 79.24 | 79.24 | 79.24 | 0.75% |
| May 20, 2026 | 78.65 | 78.65 | 78.65 | 78.65 | 78.65 | 2.12% |
| May 19, 2026 | 77.02 | 77.02 | 77.02 | 77.02 | 77.02 | 0.31% |
| May 18, 2026 | 76.78 | 76.78 | 76.78 | 76.78 | 76.78 | -1.32% |
| May 15, 2026 | 77.81 | 77.81 | 77.81 | 77.81 | 77.81 | -2.43% |
| May 14, 2026 | 79.75 | 79.75 | 79.75 | 79.75 | 79.75 | -0.49% |
| May 13, 2026 | 80.14 | 80.14 | 80.14 | 80.14 | 80.14 | 0.53% |
| May 12, 2026 | 79.72 | 79.72 | 79.72 | 79.72 | 79.72 | 1.52% |
| May 11, 2026 | 78.53 | 78.53 | 78.53 | 78.53 | 78.53 | 0.36% |
| May 8, 2026 | 78.25 | 78.25 | 78.25 | 78.25 | 78.25 | 0.09% |
| May 7, 2026 | 78.18 | 78.18 | 78.18 | 78.18 | 78.18 | -1.92% |
| May 6, 2026 | 79.71 | 79.71 | 79.71 | 79.71 | 79.71 | 2.42% |
| May 5, 2026 | 77.83 | 77.83 | 77.83 | 77.83 | 77.83 | 0.01% |
| May 4, 2026 | 77.82 | 77.82 | 77.82 | 77.82 | 77.82 | 1.91% |
| May 1, 2026 | 76.36 | 76.36 | 76.36 | 76.36 | 76.36 | -0.97% |
| Apr 30, 2026 | 77.11 | 77.11 | 77.11 | 77.11 | 77.11 | 1.88% |
| Apr 29, 2026 | 75.69 | 75.69 | 75.69 | 75.69 | 75.69 | -0.89% |
| Apr 28, 2026 | 76.37 | 76.37 | 76.37 | 76.37 | 76.37 | -0.34% |
| Apr 27, 2026 | 76.63 | 76.63 | 76.63 | 76.63 | 76.63 | -0.29% |
| Apr 24, 2026 | 76.85 | 76.85 | 76.85 | 76.85 | 76.85 | -1.07% |
| Apr 23, 2026 | 77.68 | 77.68 | 77.68 | 77.68 | 77.68 | -1.57% |
| Apr 22, 2026 | 78.92 | 78.92 | 78.92 | 78.92 | 78.92 | 0.08% |
| Apr 21, 2026 | 78.86 | 78.86 | 78.86 | 78.86 | 78.86 | -0.64% |
| Apr 20, 2026 | 79.37 | 79.37 | 79.37 | 79.37 | 79.37 | -0.58% |
| Apr 17, 2026 | 79.83 | 79.83 | 79.83 | 79.83 | 79.83 | 1.40% |
| Apr 16, 2026 | 78.73 | 78.73 | 78.73 | 78.73 | 78.73 | -0.72% |
| Apr 15, 2026 | 79.30 | 79.30 | 79.30 | 79.30 | 79.30 | -0.10% |
| Apr 14, 2026 | 79.38 | 79.38 | 79.38 | 79.38 | 79.38 | 2.27% |
| Apr 13, 2026 | 77.62 | 77.62 | 77.62 | 77.62 | 77.62 | 1.74% |
| Apr 10, 2026 | 76.29 | 76.29 | 76.29 | 76.29 | 76.29 | -1.73% |
| Apr 9, 2026 | 77.63 | 77.63 | 77.63 | 77.63 | 77.63 | 0.14% |