20.25
price down icon1.03%   -0.21
after-market After Hours: 20.25
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Castle Biosciences Inc Stock (CSTL) Price History

The historical daily chart and data for Castle Biosciences Inc stock (CSTL), show that the latest closing stock price as of June 17, 2026, is $20.25.
  • Castle Biosciences Inc all-time high stock price is $107.69, occurred on February 10, 2021.
  • The lowest Castle Biosciences Inc stock price recorded was $9.2601 on June 05, 2023. Since then, Castle Biosciences Inc's stock price has risen over 118.68% to $20.25 now.
  • The 52-week high stock price for CSTL is $44.28, representing a 118.67% increase from the current share price, occurred on January 26, 2026.
  • The 52-week low stock price for CSTL is $14.59, indicating a -27.95% decrease from the current share price, occurred on August 04, 2025.
  • The closing price of Castle Biosciences Inc (CSTL) stock in the beginning of 2025 was $45.60. The stock closed the year at $23.54, a loss of over -48.38% for the year.
The table below shows more information about CSTL historical price data:
Date High Low High - Low Volume % Change
Jun 17, 2026 $20.71 $19.86 $0.8549 310,437.0 -1.03%
Jun 16, 2026 $21.12 $20.37 $0.75 369,727.0 -0.97%
Jun 15, 2026 $21.02 $20.38 $0.645 219,920.0 -0.19%
Jun 12, 2026 $21.20 $20.51 $0.685 152,258.0 -1.48%
Jun 11, 2026 $21.29 $20.53 $0.76 215,205.0 -0.33%
Jun 10, 2026 $21.52 $20.88 $0.64 245,606.0 +0.00%
Jun 09, 2026 $21.09 $20.24 $0.85 289,465.0 +4.77%
Jun 08, 2026 $21.16 $20.11 $1.05 247,972.0 -4.24%
Jun 05, 2026 $21.78 $20.99 $0.79 212,464.0 -2.73%
Jun 04, 2026 $21.84 $20.61 $1.23 291,697.0 +5.93%
Jun 03, 2026 $20.74 $19.57 $1.16 516,575.0 +3.45%
Jun 02, 2026 $20.54 $19.51 $1.03 445,553.0 -6.01%
Jun 01, 2026 $21.21 $20.45 $0.7581 312,020.0 -0.52%
May 29, 2026 $22.14 $20.99 $1.15 358,495.0 -4.66%
May 28, 2026 $22.18 $21.10 $1.08 297,181.0 +4.00%
May 27, 2026 $21.81 $19.68 $2.13 626,041.0 +7.97%
May 26, 2026 $20.12 $19.55 $0.57 387,656.0 -2.28%
May 22, 2026 $20.91 $20.08 $0.83 289,270.0 -1.90%
May 21, 2026 $20.65 $19.73 $0.92 327,241.0 +2.55%
May 20, 2026 $20.05 $18.91 $1.14 420,212.0 +4.32%
May 19, 2026 $19.70 $18.82 $0.885 332,563.0 -0.62%

Castle Biosciences Inc Stock (CSTL) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Castle Biosciences Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of CSTL shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Castle Biosciences Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Castle Biosciences Inc Stock (CSTL) Price History 2026

Month High Low High - Low Volume % Change
Jun, 2026 $21.84 $19.51 $2.33 4,139,336.0 -3.94%
May, 2026 $25.70 $17.72 $7.98 10,346,589.0 -13.92%
Apr, 2026 $26.68 $21.79 $4.89 6,094,607.0 -0.24%
Mar, 2026 $29.37 $23.24 $6.13 7,704,066.0 -16.98%
Feb, 2026 $40.88 $27.22 $13.66 8,886,871.0 -24.93%
Jan, 2026 $44.28 $37.29 $6.99 7,507,385.0 +1.26%

Castle Biosciences Inc Stock (CSTL) Price History 2025

Month High Low High - Low Volume % Change
Dec, 2025 $42.17 $36.63 $5.54 7,259,711.0 -1.60%
Nov, 2025 $40.61 $25.29 $15.32 11,300,253.0 +56.67%
Oct, 2025 $25.62 $22.05 $3.57 5,876,694.0 +11.99%
Sep, 2025 $24.74 $21.28 $3.46 7,860,145.0 -5.16%
Aug, 2025 $24.04 $14.59 $9.45 15,082,480.0 +58.48%
Jul, 2025 $20.58 $15.11 $5.47 7,760,880.0 -25.81%
Jun, 2025 $20.63 $15.56 $5.06 9,296,107.0 +27.86%
May, 2025 $20.27 $15.45 $4.82 10,962,559.0 -20.35%
Apr, 2025 $22.82 $17.49 $5.33 8,244,919.0 +0.15%
Mar, 2025 $22.39 $18.70 $3.69 8,571,280.0 -7.66%
Feb, 2025 $28.90 $21.18 $7.71 7,891,460.0 -23.31%
Jan, 2025 $32.74 $23.95 $8.79 9,607,228.0 +6.08%

Castle Biosciences Inc Stock (CSTL) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $32.60 $25.82 $6.78 5,861,910.0 -11.96%
Nov, 2024 $35.84 $27.24 $8.60 8,651,456.0 -12.66%
Oct, 2024 $34.73 $27.56 $7.17 8,431,551.0 +21.56%
Sep, 2024 $32.53 $27.81 $4.72 6,566,052.0 -3.88%
Aug, 2024 $30.50 $20.13 $10.37 10,899,159.0 +22.96%
Jul, 2024 $24.73 $16.96 $7.77 8,767,897.0 +10.84%
Jun, 2024 $24.15 $20.76 $3.39 4,952,674.0 -6.41%
May, 2024 $25.91 $21.24 $4.67 6,078,079.0 +10.29%
Apr, 2024 $22.67 $18.50 $4.17 3,220,676.0 -4.79%
Mar, 2024 $22.95 $18.26 $4.69 5,588,829.0 +22.65%
Feb, 2024 $25.60 $17.42 $8.18 5,100,124.0 -21.75%
Jan, 2024 $24.73 $18.56 $6.17 4,677,067.0 +6.95%
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