Castle Biosciences, Inc. (CSTL) Stock Price History
Historical prices from 2019 to 2026
- 1M
- -2.5%
- 3M
- +6.7%
- YTD
- -15.6%
- 1Y
- -3.1%
- 3Y
- +21.7%
- 5Y
- -12.0%
Loading 10-year price history...
CSTL Historical Performance
CSTL Annual Returns
Year-by-year price performance · 2019–2026
- 2019 annual price return
- +60.6%
- 2020 annual price return
- +98.6%
- 2021 annual price return
- -37.8%
- 2022 annual price return
- -48.4%
- 2023 annual price return
- -5.3%
- 2024 annual price return
- +21.4%
- 2025 annual price return
- +38.7%
- 2026 annual price return
- -10.7%
CSTL Stock Price Trajectory (2019–2026)
As of November 8, 2026, Castle Biosciences, Inc. (CSTL) trades at $32.52, representing a -3.1% return over the past year. The stock has delivered a -47.1% total return over five years (-12.0% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $107.69 on February 10, 2021. From this peak, CSTL has corrected -69.8%, currently trading 15% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers NTRA (+56.5% 1Y), VCYT (-42.3% 1Y), and ARDX (-49.0% 1Y), CSTL has underperformed the peer group average. Compare CSTL vs NTRA →
CSTL Historical Price Data · from 2019
Rows 1–50 of 1,833| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-11-06 | 34.56 | 35.69 | 31.81 | 32.52 | 982K | -4.91% |
| 2026-11-05 | 35.17 | 35.71 | 33.65 | 34.20 | 702K | -4.34% |
| 2026-11-04 | 36.03 | 36.43 | 35.07 | 35.75 | 463K | +1.74% |
| 2026-11-03 | 35.32 | 36.00 | 34.73 | 35.14 | 456K | +0.57% |
| 2026-11-02 | 37.52 | 37.52 | 34.46 | 34.94 | 470K | -5.97% |
| 2026-10-30 | 38.03 | 38.43 | 36.73 | 37.16 | 334K | -3.51% |
| 2026-10-29 | 37.57 | 38.73 | 36.08 | 38.51 | 724K | +4.99% |
| 2026-10-28 | 34.51 | 37.38 | 34.51 | 36.68 | 431K | +6.29% |
| 2026-10-27 | 33.55 | 34.66 | 33.19 | 34.51 | 295K | +3.63% |
| 2026-10-26 | 33.20 | 33.78 | 32.84 | 33.30 | 236K | +0.67% |
| 2026-10-23 | 33.41 | 33.62 | 32.69 | 33.08 | 203K | -0.33% |
| 2026-10-22 | 34.13 | 34.55 | 33.06 | 33.19 | 335K | -3.43% |
| 2026-10-21 | 33.15 | 34.72 | 32.93 | 34.37 | 337K | +3.68% |
| 2026-10-20 | 32.65 | 33.55 | 32.09 | 33.15 | 273K | +3.05% |
| 2026-10-19 | 32.44 | 32.74 | 31.67 | 32.17 | 347K | +0.66% |
| 2026-10-16 | 33.82 | 34.15 | 31.80 | 31.96 | 382K | -5.44% |
| 2026-10-15 | 33.13 | 34.06 | 32.48 | 33.80 | 382K | +2.08% |
| 2026-10-14 | 32.47 | 33.77 | 32.47 | 33.11 | 243K | +0.70% |
| 2026-10-13 | 32.79 | 33.35 | 32.23 | 32.88 | 242K | +0.37% |
| 2026-10-12 | 34.42 | 34.42 | 32.31 | 32.76 | 239K | -4.82% |
| 2026-10-09 | 33.52 | 34.52 | 33.39 | 34.42 | 249K | +2.11% |
| 2026-10-08 | 32.54 | 33.76 | 32.25 | 33.71 | 374K | +2.15% |
| 2026-10-07 | 33.15 | 33.72 | 32.77 | 33.00 | 352K | -1.08% |
| 2026-10-06 | 36.65 | 37.99 | 33.10 | 33.36 | 609K | -8.98% |
| 2026-10-05 | 35.45 | 36.76 | 35.10 | 36.65 | 377K | +3.07% |
| 2026-10-02 | 35.56 | 35.92 | 34.75 | 35.56 | 168K | +0.85% |
| 2026-10-01 | 36.10 | 36.99 | 35.17 | 35.26 | 522K | -0.76% |
| 2026-09-30 | 34.90 | 36.03 | 34.14 | 35.53 | 640K | +1.86% |
| 2026-09-29 | 35.72 | 36.24 | 34.24 | 34.88 | 319K | -2.92% |
| 2026-09-28 | 35.81 | 36.27 | 35.09 | 35.93 | 228K | +0.34% |
| 2026-09-25 | 35.19 | 36.12 | 34.44 | 35.81 | 438K | +1.76% |
| 2026-09-24 | 34.88 | 35.84 | 33.90 | 35.19 | 439K | +0.89% |
| 2026-09-23 | 34.74 | 34.97 | 33.99 | 34.88 | 348K | +0.09% |
| 2026-09-22 | 35.53 | 35.53 | 34.57 | 34.85 | 431K | -0.40% |
| 2026-09-21 | 35.68 | 35.68 | 34.48 | 34.99 | 392K | -0.99% |
| 2026-09-18 | 36.54 | 36.54 | 35.29 | 35.34 | 530K | -3.92% |
| 2026-09-17 | 35.98 | 36.85 | 34.94 | 36.78 | 365K | +3.66% |
| 2026-09-16 | 35.50 | 36.82 | 35.26 | 35.48 | 559K | -0.06% |
| 2026-09-15 | 33.64 | 35.69 | 33.64 | 35.50 | 520K | +6.16% |
| 2026-09-14 | 32.30 | 33.53 | 32.16 | 33.44 | 165K | +3.43% |
| 2026-09-11 | 32.77 | 32.94 | 31.71 | 32.33 | 224K | +0.03% |
| 2026-09-10 | 31.97 | 32.70 | 31.44 | 32.32 | 238K | +0.03% |
| 2026-09-09 | 32.43 | 33.03 | 32.00 | 32.31 | 195K | -1.37% |
| 2026-09-08 | 32.57 | 33.58 | 32.28 | 32.76 | 217K | -0.46% |
| 2026-09-04 | 32.32 | 33.21 | 31.99 | 32.91 | 188K | +0.80% |
| 2026-09-03 | 33.50 | 34.00 | 32.38 | 32.65 | 268K | -2.30% |
| 2026-09-02 | 33.36 | 34.73 | 32.69 | 33.42 | 200K | -0.06% |
| 2026-09-01 | 33.00 | 34.09 | 32.89 | 33.44 | 396K | +1.24% |
| 2026-08-31 | 33.03 | 33.30 | 32.36 | 33.03 | 258K | -1.40% |
| 2026-08-28 | 34.02 | 34.28 | 32.80 | 33.50 | 373K | -2.22% |
CSTL Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
CSTL — Frequently Asked Questions
Quick answers to the most common questions about buying CSTL stock.
How has CSTL stock performed recently?
CSTL declined -3.1% over the past year, below its 5-year annualized CAGR of -12.0%. The stock trades above its 200-day moving average, reflecting the downtrend.
What is CSTL's all-time high price?
Castle Biosciences, Inc. reached $107.69 on 2021-02-10. The 52-week high is $44.28. Current 1-year return of -3.1% places the stock further from historical peaks.
Where can I download CSTL historical price data?
This page provides CSTL daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2019-2026, downloadable in CSV format.