Hyliion Holdings Corp. (HYLN)
NYSEAMERICAN: HYLN · Real-Time Price · USD
4.200
+0.120 (2.94%)
At close: Sep 18, 2026, 4:00 PM EDT
4.170
-0.030 (-0.71%)
After-hours: Sep 18, 2026, 8:00 PM EDT
Hyliion Holdings Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 18, 2026 | 4.10 | 4.23 | 3.94 | 4.20 | 4.20 | 2.94% | 2,796,557 |
| Sep 17, 2026 | 4.01 | 4.35 | 4.00 | 4.08 | 4.08 | 3.55% | 2,848,012 |
| Sep 16, 2026 | 3.93 | 4.02 | 3.84 | 3.94 | 3.94 | -0.25% | 1,378,683 |
| Sep 15, 2026 | 3.78 | 3.98 | 3.78 | 3.95 | 3.95 | 4.22% | 1,389,075 |
| Sep 14, 2026 | 3.73 | 3.83 | 3.62 | 3.79 | 3.79 | -2.82% | 1,253,057 |
| Sep 11, 2026 | 3.89 | 4.03 | 3.86 | 3.90 | 3.90 | 2.09% | 1,128,477 |
| Sep 10, 2026 | 3.74 | 3.97 | 3.69 | 3.82 | 3.82 | -1.04% | 1,816,580 |
| Sep 9, 2026 | 4.00 | 4.08 | 3.82 | 3.86 | 3.86 | -3.50% | 1,572,288 |
| Sep 8, 2026 | 3.69 | 4.10 | 3.69 | 4.00 | 4.00 | 8.40% | 2,475,326 |
| Sep 4, 2026 | 3.68 | 3.75 | 3.65 | 3.69 | 3.69 | 0.82% | 1,153,930 |
| Sep 3, 2026 | 3.60 | 3.71 | 3.50 | 3.66 | 3.66 | 2.81% | 1,157,928 |
| Sep 2, 2026 | 3.43 | 3.60 | 3.37 | 3.56 | 3.56 | 4.09% | 1,729,055 |
| Sep 1, 2026 | 3.35 | 3.46 | 3.25 | 3.42 | 3.42 | -1.44% | 1,468,750 |
| Aug 31, 2026 | 3.44 | 3.54 | 3.37 | 3.47 | 3.47 | -1.14% | 2,380,465 |
| Aug 28, 2026 | 3.73 | 3.74 | 3.48 | 3.51 | 3.51 | 2.93% | 2,613,615 |
| Aug 27, 2026 | 3.40 | 3.45 | 3.36 | 3.41 | 3.41 | 2.71% | 1,515,804 |
| Aug 26, 2026 | 3.21 | 3.36 | 3.15 | 3.32 | 3.32 | 2.47% | 1,690,041 |
| Aug 25, 2026 | 3.25 | 3.31 | 3.17 | 3.24 | 3.24 | 2.86% | 2,012,279 |
| Aug 24, 2026 | 3.28 | 3.30 | 3.12 | 3.15 | 3.15 | -5.41% | 2,676,864 |
| Aug 21, 2026 | 3.42 | 3.43 | 3.27 | 3.33 | 3.33 | -1.19% | 2,235,926 |
| Aug 20, 2026 | 3.61 | 3.63 | 3.27 | 3.37 | 3.37 | -8.17% | 3,179,578 |
| Aug 19, 2026 | 3.87 | 3.94 | 3.59 | 3.67 | 3.67 | -4.92% | 2,679,138 |
| Aug 18, 2026 | 3.95 | 4.08 | 3.81 | 3.86 | 3.86 | -5.62% | 2,538,307 |
| Aug 17, 2026 | 4.10 | 4.20 | 3.94 | 4.09 | 4.09 | 0.74% | 2,548,086 |
| Aug 14, 2026 | 4.18 | 4.38 | 3.97 | 4.06 | 4.06 | -1.22% | 3,640,050 |
| Aug 13, 2026 | 4.05 | 4.78 | 4.03 | 4.11 | 4.11 | 5.66% | 6,840,782 |
| Aug 12, 2026 | 5.09 | 5.45 | 3.82 | 3.89 | 3.89 | -0.77% | 11,858,493 |
| Aug 11, 2026 | 4.01 | 4.14 | 3.84 | 3.92 | 3.92 | -0.25% | 3,037,854 |
| Aug 10, 2026 | 4.20 | 4.22 | 3.84 | 3.93 | 3.93 | 1.55% | 3,549,247 |
| Aug 7, 2026 | 4.04 | 4.08 | 3.75 | 3.87 | 3.87 | -2.03% | 2,038,144 |
| Aug 6, 2026 | 4.11 | 4.24 | 3.90 | 3.95 | 3.95 | 0.25% | 2,483,148 |
| Aug 5, 2026 | 4.10 | 4.18 | 3.91 | 3.94 | 3.94 | -3.67% | 1,905,181 |
| Aug 4, 2026 | 3.87 | 4.18 | 3.85 | 4.09 | 4.09 | 8.49% | 2,651,313 |
| Aug 3, 2026 | 3.53 | 3.85 | 3.41 | 3.77 | 3.77 | 5.90% | 1,655,588 |
| Jul 31, 2026 | 3.71 | 3.79 | 3.51 | 3.56 | 3.56 | -1.66% | 1,518,253 |
| Jul 30, 2026 | 3.19 | 3.66 | 3.19 | 3.62 | 3.62 | 11.73% | 2,792,709 |
| Jul 29, 2026 | 3.50 | 3.55 | 3.21 | 3.24 | 3.24 | -8.47% | 2,954,138 |
| Jul 28, 2026 | 3.69 | 3.80 | 3.44 | 3.54 | 3.54 | -7.33% | 2,551,758 |
| Jul 27, 2026 | 3.81 | 3.93 | 3.61 | 3.82 | 3.82 | 2.69% | 2,140,718 |
| Jul 24, 2026 | 4.07 | 4.09 | 3.67 | 3.72 | 3.72 | -9.71% | 2,580,490 |
| Jul 23, 2026 | 4.29 | 4.56 | 4.03 | 4.12 | 4.12 | 4.83% | 5,332,023 |
| Jul 22, 2026 | 3.93 | 4.16 | 3.80 | 3.93 | 3.93 | 1.29% | 2,848,284 |
| Jul 21, 2026 | 3.61 | 3.89 | 3.61 | 3.88 | 3.88 | 9.30% | 1,823,863 |
| Jul 20, 2026 | 3.78 | 3.81 | 3.53 | 3.55 | 3.55 | -5.08% | 2,351,454 |
| Jul 17, 2026 | 3.60 | 3.86 | 3.54 | 3.74 | 3.74 | - | 1,994,564 |
| Jul 16, 2026 | 3.88 | 3.94 | 3.58 | 3.74 | 3.74 | -5.32% | 3,237,531 |
| Jul 15, 2026 | 4.13 | 4.25 | 3.83 | 3.95 | 3.95 | -3.42% | 1,705,630 |
| Jul 14, 2026 | 3.89 | 4.19 | 3.81 | 4.09 | 4.09 | 6.23% | 2,251,909 |
| Jul 13, 2026 | 4.25 | 4.25 | 3.81 | 3.85 | 3.85 | -6.78% | 2,661,838 |
| Jul 10, 2026 | 4.31 | 4.37 | 4.12 | 4.13 | 4.13 | -2.82% | 2,808,233 |