Castle Biosciences, Inc. (CSTL)
NASDAQ: CSTL · Real-Time Price · USD
35.93
+0.12 (0.34%)
At close: Sep 28, 2026, 4:00 PM EDT
35.61
-0.32 (-0.89%)
Pre-market: Sep 29, 2026, 5:31 AM EDT
Castle Biosciences Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 28, 2026 | 35.81 | 36.27 | 35.09 | 35.93 | 35.93 | 0.34% | 228,424 |
| Sep 25, 2026 | 35.19 | 36.12 | 34.44 | 35.81 | 35.81 | 1.76% | 437,679 |
| Sep 24, 2026 | 34.88 | 35.84 | 33.90 | 35.19 | 35.19 | 0.89% | 439,153 |
| Sep 23, 2026 | 34.74 | 34.97 | 33.99 | 34.88 | 34.88 | 0.09% | 348,275 |
| Sep 22, 2026 | 35.53 | 35.53 | 34.57 | 34.85 | 34.85 | -0.40% | 430,980 |
| Sep 21, 2026 | 35.68 | 35.68 | 34.48 | 34.99 | 34.99 | -0.99% | 391,676 |
| Sep 18, 2026 | 36.54 | 36.54 | 35.29 | 35.34 | 35.34 | -3.92% | 530,243 |
| Sep 17, 2026 | 35.98 | 36.85 | 34.94 | 36.78 | 36.78 | 3.66% | 364,646 |
| Sep 16, 2026 | 35.50 | 36.82 | 35.26 | 35.48 | 35.48 | -0.06% | 559,269 |
| Sep 15, 2026 | 33.64 | 35.69 | 33.64 | 35.50 | 35.50 | 6.16% | 519,948 |
| Sep 14, 2026 | 32.30 | 33.53 | 32.16 | 33.44 | 33.44 | 3.43% | 165,404 |
| Sep 11, 2026 | 32.77 | 32.94 | 31.71 | 32.33 | 32.33 | 0.03% | 224,204 |
| Sep 10, 2026 | 31.97 | 32.70 | 31.44 | 32.32 | 32.32 | 0.03% | 237,826 |
| Sep 9, 2026 | 32.43 | 33.03 | 32.00 | 32.31 | 32.31 | -1.37% | 194,560 |
| Sep 8, 2026 | 32.57 | 33.58 | 32.28 | 32.76 | 32.76 | -0.46% | 217,020 |
| Sep 4, 2026 | 32.32 | 33.21 | 31.99 | 32.91 | 32.91 | 0.80% | 187,725 |
| Sep 3, 2026 | 33.50 | 34.00 | 32.38 | 32.65 | 32.65 | -2.30% | 268,012 |
| Sep 2, 2026 | 33.36 | 34.73 | 32.69 | 33.42 | 33.42 | -0.06% | 200,265 |
| Sep 1, 2026 | 33.00 | 34.09 | 32.89 | 33.44 | 33.44 | 1.24% | 396,179 |
| Aug 31, 2026 | 33.03 | 33.30 | 32.36 | 33.03 | 33.03 | -1.40% | 258,005 |
| Aug 28, 2026 | 34.02 | 34.28 | 32.80 | 33.50 | 33.50 | -2.22% | 372,591 |
| Aug 27, 2026 | 34.01 | 34.89 | 33.98 | 34.26 | 34.26 | 0.53% | 251,211 |
| Aug 26, 2026 | 34.80 | 34.84 | 33.62 | 34.08 | 34.08 | -2.63% | 456,263 |
| Aug 25, 2026 | 33.47 | 35.20 | 33.29 | 35.00 | 35.00 | 4.57% | 483,371 |
| Aug 24, 2026 | 33.65 | 34.54 | 31.70 | 33.47 | 33.47 | -2.13% | 357,666 |
| Aug 21, 2026 | 32.85 | 34.70 | 32.14 | 34.20 | 34.20 | 3.86% | 573,470 |
| Aug 20, 2026 | 32.41 | 34.01 | 32.41 | 32.93 | 32.93 | 1.89% | 322,940 |
| Aug 19, 2026 | 29.03 | 32.39 | 29.03 | 32.32 | 32.32 | 11.33% | 451,917 |
| Aug 18, 2026 | 29.89 | 30.13 | 28.72 | 29.03 | 29.03 | -3.07% | 596,609 |
| Aug 17, 2026 | 29.50 | 30.50 | 29.21 | 29.95 | 29.95 | 1.11% | 225,807 |
| Aug 14, 2026 | 30.93 | 31.12 | 29.58 | 29.62 | 29.62 | -3.04% | 264,212 |
| Aug 13, 2026 | 31.62 | 31.97 | 30.51 | 30.55 | 30.55 | -2.80% | 362,229 |
| Aug 12, 2026 | 32.43 | 33.00 | 31.25 | 31.43 | 31.43 | -2.51% | 435,995 |
| Aug 11, 2026 | 32.34 | 32.99 | 31.46 | 32.24 | 32.24 | -0.34% | 313,473 |
| Aug 10, 2026 | 31.86 | 33.06 | 31.24 | 32.35 | 32.35 | 1.00% | 400,766 |
| Aug 7, 2026 | 30.88 | 32.37 | 30.65 | 32.03 | 32.03 | 5.12% | 241,822 |
| Aug 6, 2026 | 30.20 | 30.75 | 29.50 | 30.47 | 30.47 | 0.23% | 833,433 |
| Aug 5, 2026 | 31.18 | 31.42 | 30.10 | 30.40 | 30.40 | -2.50% | 520,196 |
| Aug 4, 2026 | 30.18 | 31.73 | 29.99 | 31.18 | 31.18 | 2.60% | 675,302 |
| Aug 3, 2026 | 27.83 | 30.73 | 27.83 | 30.39 | 30.39 | 8.54% | 783,963 |
| Jul 31, 2026 | 28.75 | 30.81 | 27.50 | 28.00 | 28.00 | 4.52% | 1,757,839 |
| Jul 30, 2026 | 24.50 | 27.13 | 24.50 | 26.79 | 26.79 | 9.53% | 716,332 |
| Jul 29, 2026 | 23.93 | 25.30 | 23.73 | 24.46 | 24.46 | 2.39% | 340,083 |
| Jul 28, 2026 | 24.63 | 24.77 | 23.76 | 23.89 | 23.89 | -2.25% | 366,214 |
| Jul 27, 2026 | 25.10 | 25.12 | 23.85 | 24.44 | 24.44 | -0.99% | 291,638 |
| Jul 24, 2026 | 25.56 | 25.63 | 24.35 | 24.69 | 24.69 | -3.12% | 408,990 |
| Jul 23, 2026 | 24.53 | 25.50 | 24.53 | 25.48 | 25.48 | 2.70% | 407,874 |
| Jul 22, 2026 | 24.33 | 24.92 | 23.77 | 24.81 | 24.81 | 1.22% | 437,921 |
| Jul 21, 2026 | 23.57 | 24.69 | 23.25 | 24.51 | 24.51 | 2.57% | 326,248 |
| Jul 20, 2026 | 23.97 | 24.15 | 23.76 | 23.90 | 23.90 | -1.10% | 315,668 |