GraniteShares YieldBOOST Biotech ETF (BIOY)
NASDAQ: BIOY · Real-Time Price · USD
19.06
-0.26 (-1.33%)
At close: Oct 23, 2026, 4:00 PM EDT
19.25
+0.19 (0.98%)
After-hours: Oct 23, 2026, 6:06 PM EDT
BIOY Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 23, 2026 | 19.02 | 19.06 | 18.96 | 19.06 | 19.06 | -1.33% | 1,179 |
| Oct 22, 2026 | 19.37 | 19.37 | 19.32 | 19.32 | 19.32 | -0.21% | 1,412 |
| Oct 21, 2026 | 19.36 | 19.38 | 19.35 | 19.36 | 19.36 | 0.05% | 1,744 |
| Oct 20, 2026 | 19.37 | 19.37 | 19.35 | 19.35 | 19.35 | 0.88% | 1,340 |
| Oct 19, 2026 | 19.10 | 19.29 | 19.08 | 19.18 | 19.18 | 1.46% | 1,485 |
| Oct 16, 2026 | 19.47 | 19.47 | 18.89 | 18.91 | 18.90 | -2.53% | 4,835 |
| Oct 15, 2026 | 19.65 | 19.65 | 19.62 | 19.62 | 19.39 | 1.34% | 1,226 |
| Oct 14, 2026 | 19.53 | 19.53 | 19.36 | 19.36 | 19.14 | -0.20% | 1,002 |
| Oct 13, 2026 | 19.56 | 19.56 | 19.40 | 19.40 | 19.18 | -1.96% | 1,674 |
| Oct 12, 2026 | 20.15 | 20.15 | 19.79 | 19.79 | 19.56 | -1.63% | 2,938 |
| Oct 9, 2026 | 19.80 | 20.17 | 19.80 | 20.12 | 19.88 | 2.12% | 781 |
| Oct 8, 2026 | 19.98 | 19.98 | 19.76 | 19.93 | 19.47 | -0.42% | 5,720 |
| Oct 7, 2026 | 20.10 | 20.10 | 19.98 | 20.02 | 19.55 | -0.32% | 919 |
| Oct 6, 2026 | 20.51 | 20.51 | 20.08 | 20.08 | 19.62 | -2.08% | 1,987 |
| Oct 5, 2026 | 20.33 | 20.53 | 20.09 | 20.51 | 20.03 | 1.25% | 3,852 |
| Oct 2, 2026 | 20.25 | 20.25 | 20.25 | 20.25 | 19.79 | 0.19% | 738 |
| Oct 1, 2026 | 20.61 | 20.64 | 20.45 | 20.45 | 19.75 | -0.77% | 7,799 |
| Sep 30, 2026 | 20.54 | 20.63 | 20.54 | 20.61 | 19.90 | 0.51% | 1,423 |
| Sep 29, 2026 | 20.50 | 20.50 | 20.50 | 20.50 | 19.80 | 0.42% | 159 |
| Sep 28, 2026 | 20.14 | 20.47 | 20.14 | 20.42 | 19.72 | 1.48% | 3,699 |
| Sep 25, 2026 | 20.14 | 20.14 | 19.98 | 20.12 | 19.43 | -0.06% | 2,238 |
| Sep 24, 2026 | 20.25 | 20.37 | 20.05 | 20.36 | 19.44 | 0.58% | 1,944 |
| Sep 23, 2026 | 20.54 | 20.54 | 20.18 | 20.24 | 19.33 | -1.80% | 1,419 |
| Sep 22, 2026 | 20.51 | 20.62 | 20.51 | 20.62 | 19.68 | 0.81% | 757 |
| Sep 21, 2026 | 20.46 | 20.48 | 20.28 | 20.45 | 19.53 | 0.86% | 2,371 |
| Sep 18, 2026 | 20.25 | 20.28 | 20.25 | 20.28 | 19.36 | -0.03% | 1,356 |
| Sep 17, 2026 | 20.47 | 20.54 | 20.47 | 20.52 | 19.37 | 1.76% | 1,238 |
| Sep 16, 2026 | 20.21 | 20.28 | 20.09 | 20.16 | 19.03 | 0.03% | 910 |
| Sep 15, 2026 | 20.40 | 20.40 | 20.07 | 20.16 | 19.03 | -1.27% | 4,204 |
| Sep 14, 2026 | 20.27 | 20.52 | 20.27 | 20.42 | 19.27 | 0.41% | 1,645 |
| Sep 11, 2026 | 20.70 | 20.70 | 20.33 | 20.33 | 19.19 | -0.70% | 1,149 |
| Sep 10, 2026 | 20.88 | 20.89 | 20.70 | 20.72 | 19.33 | -1.40% | 6,119 |
| Sep 9, 2026 | 21.17 | 21.17 | 21.02 | 21.02 | 19.60 | -0.85% | 1,656 |
| Sep 8, 2026 | 21.19 | 21.23 | 21.19 | 21.20 | 19.77 | 0.13% | 1,548 |
| Sep 4, 2026 | 21.11 | 21.18 | 21.11 | 21.17 | 19.74 | 0.16% | 3,009 |
| Sep 3, 2026 | 21.32 | 21.38 | 21.32 | 21.38 | 19.71 | 0.16% | 1,150 |
| Sep 2, 2026 | 21.26 | 21.35 | 21.23 | 21.35 | 19.68 | 0.54% | 443 |
| Sep 1, 2026 | 21.16 | 21.30 | 21.12 | 21.23 | 19.57 | -0.20% | 2,393 |
| Aug 31, 2026 | 20.72 | 21.34 | 20.71 | 21.27 | 19.61 | 1.66% | 2,751 |
| Aug 28, 2026 | 21.27 | 21.27 | 20.93 | 20.93 | 19.29 | -1.65% | 2,230 |
| Aug 27, 2026 | 21.48 | 21.53 | 21.47 | 21.53 | 19.62 | 0.44% | 4,150 |
| Aug 26, 2026 | 21.40 | 21.47 | 21.40 | 21.43 | 19.53 | 0.09% | 2,099 |
| Aug 25, 2026 | 21.35 | 21.41 | 21.35 | 21.41 | 19.51 | 1.18% | 660 |
| Aug 24, 2026 | 21.15 | 21.19 | 21.15 | 21.16 | 19.28 | -0.04% | 1,455 |
| Aug 21, 2026 | 21.19 | 21.19 | 21.14 | 21.17 | 19.29 | 0.21% | 1,071 |
| Aug 20, 2026 | 21.41 | 21.41 | 21.38 | 21.38 | 19.25 | -0.19% | 859 |
| Aug 19, 2026 | 21.41 | 21.42 | 21.41 | 21.42 | 19.29 | 0.85% | 589 |
| Aug 18, 2026 | 21.19 | 21.24 | 21.19 | 21.24 | 19.13 | 0.14% | 842 |
| Aug 17, 2026 | 21.13 | 21.21 | 21.13 | 21.21 | 19.10 | 0.66% | 1,214 |
| Aug 14, 2026 | 20.82 | 21.07 | 20.78 | 21.07 | 18.97 | 0.56% | 4,396 |