Rydex Biotechnology Fund Class A (RYBOX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
63.46
+0.20 (0.32%)
At close: May 19, 2026
RYBOX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| May 19, 2026 | 63.46 | 63.46 | 63.46 | 63.46 | 63.46 | 0.32% |
| May 18, 2026 | 63.26 | 63.26 | 63.26 | 63.26 | 63.26 | -1.33% |
| May 15, 2026 | 64.11 | 64.11 | 64.11 | 64.11 | 64.11 | -2.43% |
| May 14, 2026 | 65.71 | 65.71 | 65.71 | 65.71 | 65.71 | -0.48% |
| May 13, 2026 | 66.03 | 66.03 | 66.03 | 66.03 | 66.03 | 0.53% |
| May 12, 2026 | 65.68 | 65.68 | 65.68 | 65.68 | 65.68 | 1.50% |
| May 11, 2026 | 64.71 | 64.71 | 64.71 | 64.71 | 64.71 | 0.37% |
| May 8, 2026 | 64.47 | 64.47 | 64.47 | 64.47 | 64.47 | 0.09% |
| May 7, 2026 | 64.41 | 64.41 | 64.41 | 64.41 | 64.41 | -1.93% |
| May 6, 2026 | 65.68 | 65.68 | 65.68 | 65.68 | 65.68 | 2.42% |
| May 5, 2026 | 64.13 | 64.13 | 64.13 | 64.13 | 64.13 | 0.02% |
| May 4, 2026 | 64.12 | 64.12 | 64.12 | 64.12 | 64.12 | 1.91% |
| May 1, 2026 | 62.92 | 62.92 | 62.92 | 62.92 | 62.92 | -0.98% |
| Apr 30, 2026 | 63.54 | 63.54 | 63.54 | 63.54 | 63.54 | 1.88% |
| Apr 29, 2026 | 62.37 | 62.37 | 62.37 | 62.37 | 62.37 | -0.89% |
| Apr 28, 2026 | 62.93 | 62.93 | 62.93 | 62.93 | 62.93 | -0.33% |
| Apr 27, 2026 | 63.14 | 63.14 | 63.14 | 63.14 | 63.14 | -0.30% |
| Apr 24, 2026 | 63.33 | 63.33 | 63.33 | 63.33 | 63.33 | -1.06% |
| Apr 23, 2026 | 64.01 | 64.01 | 64.01 | 64.01 | 64.01 | -1.58% |
| Apr 22, 2026 | 65.04 | 65.04 | 65.04 | 65.04 | 65.04 | 0.09% |
| Apr 21, 2026 | 64.98 | 64.98 | 64.98 | 64.98 | 64.98 | -0.66% |
| Apr 20, 2026 | 65.41 | 65.41 | 65.41 | 65.41 | 65.41 | -0.56% |
| Apr 17, 2026 | 65.78 | 65.78 | 65.78 | 65.78 | 65.78 | 1.39% |
| Apr 16, 2026 | 64.88 | 64.88 | 64.88 | 64.88 | 64.88 | -0.72% |
| Apr 15, 2026 | 65.35 | 65.35 | 65.35 | 65.35 | 65.35 | -0.11% |
| Apr 14, 2026 | 65.42 | 65.42 | 65.42 | 65.42 | 65.42 | 2.27% |
| Apr 13, 2026 | 63.97 | 63.97 | 63.97 | 63.97 | 63.97 | 1.75% |
| Apr 10, 2026 | 62.87 | 62.87 | 62.87 | 62.87 | 62.87 | -1.73% |
| Apr 9, 2026 | 63.98 | 63.98 | 63.98 | 63.98 | 63.98 | 0.14% |
| Apr 8, 2026 | 63.89 | 63.89 | 63.89 | 63.89 | 63.89 | 1.96% |
| Apr 7, 2026 | 62.66 | 62.66 | 62.66 | 62.66 | 62.66 | -0.16% |
| Apr 6, 2026 | 62.76 | 62.76 | 62.76 | 62.76 | 62.76 | -0.38% |
| Apr 2, 2026 | 63.00 | 63.00 | 63.00 | 63.00 | 63.00 | -0.47% |
| Apr 1, 2026 | 63.30 | 63.30 | 63.30 | 63.30 | 63.30 | 0.57% |
| Mar 31, 2026 | 62.94 | 62.94 | 62.94 | 62.94 | 62.94 | 5.01% |
| Mar 30, 2026 | 59.94 | 59.94 | 59.94 | 59.94 | 59.94 | 1.01% |
| Mar 27, 2026 | 59.34 | 59.34 | 59.34 | 59.34 | 59.34 | -2.64% |
| Mar 26, 2026 | 60.95 | 60.95 | 60.95 | 60.95 | 60.95 | -0.13% |
| Mar 25, 2026 | 61.03 | 61.03 | 61.03 | 61.03 | 61.03 | 2.64% |
| Mar 24, 2026 | 59.46 | 59.46 | 59.46 | 59.46 | 59.46 | -0.67% |
| Mar 23, 2026 | 59.86 | 59.86 | 59.86 | 59.86 | 59.86 | 0.57% |
| Mar 20, 2026 | 59.52 | 59.52 | 59.52 | 59.52 | 59.52 | -1.68% |
| Mar 19, 2026 | 60.54 | 60.54 | 60.54 | 60.54 | 60.54 | 0.40% |
| Mar 18, 2026 | 60.30 | 60.30 | 60.30 | 60.30 | 60.30 | -2.08% |
| Mar 17, 2026 | 61.58 | 61.58 | 61.58 | 61.58 | 61.58 | 0.26% |
| Mar 16, 2026 | 61.42 | 61.42 | 61.42 | 61.42 | 61.42 | 1.15% |
| Mar 13, 2026 | 60.72 | 60.72 | 60.72 | 60.72 | 60.72 | -0.52% |
| Mar 12, 2026 | 61.04 | 61.04 | 61.04 | 61.04 | 61.04 | -2.54% |
| Mar 11, 2026 | 62.63 | 62.63 | 62.63 | 62.63 | 62.63 | -0.63% |
| Mar 10, 2026 | 63.03 | 63.03 | 63.03 | 63.03 | 63.03 | -0.05% |