CSTL
CASTLE BIOSCI (CSTL)
NASDAQ
$22.11+$0.73 (+3.43%)
Price as of Jun 23, 2026 7:10 PM EDT
  • $643.0M
    Market Cap
  • 11.59%
    1-Year Change
  • Diagnostics & Research
    Industry
  • 1 Month
    +6.10%
    Low Price$19.69
    High Price$22.11
  • 3 Months
    -16.97%
    Low Price$18.15
    High Price$25.52
  • 1 Year
    +11.59%
    Low Price$14.65
    High Price$43.04
Date
Open
High
Low
Close
Change (%)
Volume
06/23/2026
21.07
21.93
21.05
21.38
+0.85%
439,262
06/22/2026
21.29
21.47
20.64
21.20
+0.38%
429,412
06/18/2026
20.39
21.15
20.23
21.12
+4.30%
726,610
06/17/2026
20.68
20.71
19.86
20.25
-1.03%
310,437
06/16/2026
20.67
21.12
20.37
20.46
-0.97%
380,221
06/15/2026
20.73
21.02
20.38
20.66
-0.19%
220,462
06/12/2026
21.06
21.20
20.51
20.70
-1.48%
154,634
06/11/2026
21.07
21.29
20.53
21.01
-0.33%
215,218
06/10/2026
20.88
21.52
20.88
21.08
0.00%
245,606
06/09/2026
20.30
21.09
20.24
21.08
+4.77%
289,481
06/08/2026
21.16
21.16
20.11
20.12
-4.24%
247,973
06/05/2026
21.57
21.78
20.99
21.01
-2.73%
212,464
06/04/2026
20.61
21.84
20.61
21.60
+5.93%
293,251
06/03/2026
19.66
20.74
19.58
20.39
+3.45%
516,575
06/02/2026
20.54
20.54
19.51
19.71
-6.01%
459,997
06/01/2026
20.98
21.21
20.45
20.97
-0.52%
312,139
05/29/2026
21.99
22.14
20.99
21.08
-4.66%
358,633
05/28/2026
21.12
22.18
21.10
22.11
+4.00%
299,800
05/27/2026
19.77
21.81
19.68
21.26
+7.97%
626,062
05/26/2026
20.12
20.12
19.55
19.69
-2.28%
401,928
05/22/2026
20.52
20.91
20.08
20.15
-1.90%
289,271
05/21/2026
19.78
20.65
19.73
20.54
+2.55%
327,277
05/20/2026
19.28
20.05
18.91
20.03
+4.32%
425,111
05/19/2026
19.42
19.71
18.82
19.20
-0.62%
343,466
05/18/2026
18.48
20.22
18.48
19.32
+0.99%
515,295
05/15/2026
18.69
19.61
18.64
19.13
+1.32%
554,909
05/14/2026
18.25
19.00
17.72
18.88
+4.02%
652,483
05/13/2026
18.51
18.82
17.81
18.15
-2.58%
664,496
05/12/2026
18.95
19.23
18.35
18.63
-2.15%
571,230
05/11/2026
19.91
19.98
18.89
19.04
-3.98%
627,202
05/08/2026
19.26
19.85
18.66
19.83
+3.07%
498,548
05/07/2026
22.66
22.88
18.31
19.24
-22.26%
1,999,196
05/06/2026
24.66
25.23
24.25
24.75
+0.61%
701,839
05/06/2026
-$0.49 Earnings
05/05/2026
25.43
25.50
24.43
24.60
-3.61%
398,859
05/04/2026
24.73
25.70
24.73
25.52
+2.86%
230,633
05/01/2026
24.53
25.11
24.15
24.81
+1.31%
176,942
04/30/2026
24.50
24.90
24.13
24.49
+1.03%
350,638
04/29/2026
24.33
24.35
23.31
24.24
-1.82%
406,767
04/28/2026
25.00
25.28
24.48
24.69
-1.16%
291,618
04/27/2026
24.45
25.71
24.39
24.98
+2.13%
306,045
04/24/2026
23.59
24.61
23.18
24.46
+3.25%
341,351
04/23/2026
24.80
24.80
23.31
23.69
-5.62%
259,205
04/22/2026
24.72
25.13
24.42
25.10
+2.12%
226,888
04/21/2026
25.19
25.72
24.37
24.58
-2.31%
492,926
04/20/2026
24.67
25.32
24.67
25.16
+0.44%
212,626
04/17/2026
25.14
25.37
24.84
25.05
+2.00%
214,832
04/16/2026
24.62
24.82
24.14
24.56
-0.24%
261,813
04/15/2026
24.37
25.00
24.37
24.62
+1.03%
196,046
04/14/2026
23.72
24.81
23.72
24.37
+3.57%
210,987
04/13/2026
22.92
23.58
22.81
23.53
+1.73%
251,218
04/10/2026
23.30
23.33
21.79
23.13
-1.28%
443,672
04/09/2026
24.83
25.54
23.33
23.43
-6.99%
216,126
04/08/2026
25.85
26.68
24.82
25.19
+1.45%
418,651
04/07/2026
24.82
25.26
24.65
24.83
+0.40%
281,168
04/06/2026
24.96
25.31
24.63
24.73
-0.44%
201,589
04/02/2026
24.41
25.22
24.09
24.84
-0.84%
288,514
04/01/2026
24.92
25.48
24.57
25.05
+2.04%
292,857
03/31/2026
23.86
24.86
23.71
24.55
+4.25%
431,483
03/30/2026
23.54
23.92
23.24
23.55
+0.08%
286,412
03/27/2026
24.60
24.65
23.44
23.53
-4.74%
294,099
03/26/2026
25.11
26.02
24.65
24.70
-2.26%
461,937
03/25/2026
25.81
26.19
25.08
25.27
-0.32%
280,889
03/24/2026
25.73
25.87
25.10
25.35
-1.55%
230,860
03/23/2026
25.81
26.12
25.29
25.75
+3.00%
249,290
03/20/2026
25.69
25.69
24.74
25.00
-2.72%
294,133
03/19/2026
25.46
26.16
25.14
25.70
+0.33%
222,001
03/18/2026
25.50
26.10
25.26
25.62
-1.10%
371,940
03/17/2026
26.05
26.38
25.64
25.90
+0.27%
349,680
03/16/2026
25.81
26.79
25.67
25.83
+1.06%
331,507
03/13/2026
25.40
26.13
25.20
25.56
+0.95%
245,490
03/12/2026
25.77
25.96
24.89
25.32
-3.10%
388,103
03/11/2026
26.41
26.64
25.82
26.13
-1.77%
232,541
03/10/2026
26.95
27.36
26.49
26.60
-1.55%
237,495
03/09/2026
26.81
27.03
25.76
27.02
-0.37%
335,733
03/06/2026
27.23
27.80
27.07
27.12
-2.83%
318,333
03/05/2026
27.67
28.58
27.17
27.91
-0.92%
419,928
03/04/2026
27.74
28.60
27.40
28.17
+2.18%
563,097
03/03/2026
27.06
28.03
26.61
27.57
-1.50%
869,012
03/02/2026
28.74
29.37
27.73
27.99
-5.34%
515,753
02/27/2026
29.87
30.50
27.22
29.57
-7.25%
927,029
02/26/2026
30.83
32.05
30.40
31.88
+3.41%
665,804
02/26/2026
-$0.08 Earnings
02/25/2026
30.28
31.11
29.92
30.83
+2.97%
409,411
02/24/2026
28.96
30.54
28.61
29.94
+3.46%
555,547
02/23/2026
28.77
29.67
27.80
28.94
-0.92%
469,329
02/20/2026
31.61
31.61
29.10
29.21
-6.80%
607,242
02/19/2026
33.50
33.50
31.12
31.34
-6.92%
622,025
02/18/2026
33.65
34.44
33.40
33.67
+0.75%
199,988
02/17/2026
33.13
34.18
32.70
33.42
+0.81%
231,539
02/13/2026
31.84
33.66
31.84
33.15
+3.92%
242,878
02/12/2026
32.42
32.83
31.39
31.90
-1.36%
278,226
02/11/2026
32.62
32.98
31.38
32.34
-0.09%
531,721
02/10/2026
32.40
33.10
32.25
32.37
+0.43%
307,970
02/09/2026
32.40
33.01
32.04
32.23
-1.59%
426,602
02/06/2026
32.99
33.31
31.64
32.75
+1.08%
556,518
02/05/2026
34.98
35.50
32.26
32.40
-7.32%
763,754
02/04/2026
38.85
39.04
34.54
34.96
-10.22%
668,317
02/03/2026
39.47
40.45
38.76
38.94
-1.34%
408,954
02/02/2026
39.65
40.88
39.31
39.47
+0.20%
261,265