Rydex Biotechnology Fund Class Investor (RYOIX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
77.02
+0.24 (0.31%)
May 20, 2026, 8:10 AM EST
RYOIX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| 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% |
| Apr 8, 2026 | 77.52 | 77.52 | 77.52 | 77.52 | 77.52 | 1.96% |
| Apr 7, 2026 | 76.03 | 76.03 | 76.03 | 76.03 | 76.03 | -0.14% |
| Apr 6, 2026 | 76.14 | 76.14 | 76.14 | 76.14 | 76.14 | -0.39% |
| Apr 2, 2026 | 76.44 | 76.44 | 76.44 | 76.44 | 76.44 | -0.47% |
| Apr 1, 2026 | 76.80 | 76.80 | 76.80 | 76.80 | 76.80 | 0.56% |
| Mar 31, 2026 | 76.37 | 76.37 | 76.37 | 76.37 | 76.37 | 5.02% |
| Mar 30, 2026 | 72.72 | 72.72 | 72.72 | 72.72 | 72.72 | 1.00% |
| Mar 27, 2026 | 72.00 | 72.00 | 72.00 | 72.00 | 72.00 | -2.64% |
| Mar 26, 2026 | 73.95 | 73.95 | 73.95 | 73.95 | 73.95 | -0.12% |
| Mar 25, 2026 | 74.04 | 74.04 | 74.04 | 74.04 | 74.04 | 2.63% |
| Mar 24, 2026 | 72.14 | 72.14 | 72.14 | 72.14 | 72.14 | -0.66% |
| Mar 23, 2026 | 72.62 | 72.62 | 72.62 | 72.62 | 72.62 | 0.57% |
| Mar 20, 2026 | 72.21 | 72.21 | 72.21 | 72.21 | 72.21 | -1.69% |
| Mar 19, 2026 | 73.45 | 73.45 | 73.45 | 73.45 | 73.45 | 0.41% |
| Mar 18, 2026 | 73.15 | 73.15 | 73.15 | 73.15 | 73.15 | -2.09% |
| Mar 17, 2026 | 74.71 | 74.71 | 74.71 | 74.71 | 74.71 | 0.27% |
| Mar 16, 2026 | 74.51 | 74.51 | 74.51 | 74.51 | 74.51 | 1.15% |
| Mar 13, 2026 | 73.66 | 73.66 | 73.66 | 73.66 | 73.66 | -0.53% |
| Mar 12, 2026 | 74.05 | 74.05 | 74.05 | 74.05 | 74.05 | -2.53% |
| Mar 11, 2026 | 75.97 | 75.97 | 75.97 | 75.97 | 75.97 | -0.65% |
| Mar 10, 2026 | 76.47 | 76.47 | 76.47 | 76.47 | 76.47 | -0.03% |