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Castle Biosciences, Inc. is projected to rise to $33.58 by 2027, a +20% move from its current price of $28.00. CSTL is currently trading above its 50-day average (a bullish sign). Technical indicators currently lean strong buy.
A data-driven summary — not financial advice. See the full breakdown below.
Live market data via Yahoo Finance · updated 8/1/2026
| Period | Min | Prediction | Max | Change |
|---|---|---|---|---|
| Aug 2 | $27.22 | $28.01 | $28.82 | +0.02% |
| Aug 3 | $26.90 | $28.01 | $29.17 | +0.04% |
| Aug 4 | $26.66 | $28.02 | $29.44 | +0.07% |
| Aug 5 | $26.47 | $28.02 | $29.68 | +0.09% |
| Aug 6 | $26.29 | $28.03 | $29.88 | +0.11% |
| Aug 7 | $26.14 | $28.04 | $30.07 | +0.13% |
| Aug 8 | $26.00 | $28.04 | $30.25 | +0.15% |
| Period | Min | Prediction | Max | Change |
|---|---|---|---|---|
| Week 1 | $26.00 | $28.04 | $30.25 | +0.15% |
| Week 2 | $25.23 | $28.09 | $31.26 | +0.31% |
| Week 3 | $24.67 | $28.13 | $32.07 | +0.46% |
| Week 4 | $24.21 | $28.17 | $32.78 | +0.62% |
| Week 5 | $23.82 | $28.22 | $33.42 | +0.77% |
| Week 6 | $23.47 | $28.26 | $34.02 | +0.92% |
| Week 7 | $23.16 | $28.30 | $34.58 | +1.08% |
Short-term targets derived from the forecast trend and recent volatility. Highly uncertain — not financial advice.
Castle Biosciences, Inc. is a molecular diagnostics company that provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus, atopic dermatitis, and uveal melanoma. Its portfolio includes DecisionDx-Melanoma, TissueCypher, AdvanceAD-Tx, DecisionDx-SCC, and MyPath Melanoma, and the company offers its products to dermatology and gastroenterology markets.
Castle Biosciences was incorporated in 2007 and is headquartered in Friendswood, Texas. The company’s products are focused on risk stratification and diagnostic testing to guide treatment options in its core markets.
Castle Biosciences, Inc. (CSTL) is currently priced at $26.79 per share. It holds a market cap of $812.54M and is ranked 2518 by market capitalization among listed stocks.
The current price sits near the benchmark for the stock’s visible trading range, with the forecast showing a path of growth over the coming years. The multi-year outlook includes rising average prices from 2026 through 2050, with notable upside implied by increasing averages and ROIs.
The asset carries an annualized volatility of 50, and the forecast reflects a bullish longer-term trend after a neutral start in 2026. Overall, the picture points toward meaningful upside potential over the medium to long term while acknowledging near-term uncertainty.
A major floor 35.2% below — a decisive break under it would weaken the trend.
The nearest floor, 24.6% below — buyers have tended to step in here.
Price is pressing into resistance (0.0% away) — a breakout level to watch.
A major ceiling 16.4% above — clearing it would confirm fresh momentum.
Key CSTL support and resistance from recent price action — levels where the trend has historically paused or reversed. Percentages are the distance from the current price.
A snapshot of CSTL market posture derived from its technical indicators and recent volatility. Higher trend and alignment lean bullish; higher risk means larger swings.
Technical Analysis
Indicators computed on daily closing prices.
| Period | SMA | Action | EMA | Action |
|---|---|---|---|---|
| MA 5 | $25.52 | Buy | $26.13 | Buy |
| MA 10 | $25.10 | Buy | $25.37 | Buy |
| MA 20 | $24.47 | Buy | $24.60 | Buy |
| MA 50 | $22.67 | Buy | $23.71 | Buy |
| MA 100 | $23.24 | Buy | $24.50 | Buy |
| MA 200 | $28.86 | Sell | $25.65 | Buy |
| Name | Value | Action |
|---|---|---|
| RSI (14) | 71.39 | Sell |
| Stoch RSI (14) | 100.00 | Sell |
| CCI (20) | 312.21 | Buy |
| Williams %R (14) | 0.00 | Info |
| MACD (12,26,9) | 0.23 | Buy |
| ROC (12) | 16.57 | Buy |
| Bollinger %B (20,2) | 1.28 | Sell |
| Stochastic %K (14) | 100.00 | Sell |
| TRIX (15) | 0.45 | Buy |
| Awesome (5,34) | 1.94 | Buy |
| Ultimate (7,14,28) | 75.24 | Sell |
| Momentum (10) | 3.84 | Buy |
| Aroon Osc (25) | 100.00 | Buy |
| Hull MA (9) | 26.26 | Buy |
| ADX (14) | 19.24 | Neutral |
| ATR (14) | 0.68 | Info |
The 30-day range spans $22.27 to $32.23, with RSI14 at 70 and the stock trading with bullish sentiment in near term conditions.
The near-term technicals show the 50-day simple moving average at $22.49 and the 200-day simple moving average at $28.84, providing a framework for support and resistance. The price faces a support level at $20.25 and a near-term resistance at $26.79, with the current price action reflecting a momentum tilt toward the upside.
| Year | Min | Avg | Max | ROI | Sentiment |
|---|---|---|---|---|---|
| $18.15 | $28.00 | $35.57 | 0% | Neutral | |
| $26.66 | $33.58 | $44.78 | +20% | Neutral | |
| $29.49 | $38.26 | $53.06 | +37% | Bullish | |
| $37.75 | $50.20 | $71.77 | +79% | Bullish | |
| $44.76 | $60.82 | $89.21 | +117% | Bullish | |
| $48.15 | $66.74 | $100.08 | +138% | Bullish | |
| $50.01 | $70.61 | $108.01 | +152% | Bullish | |
| $51.13 | $73.45 | $114.39 | +162% | Bullish | |
| $58.52 | $85.46 | $135.31 | +205% | Bullish | |
| $68.64 | $101.82 | $163.70 | +264% | Bullish | |
| $95.33 | $151.88 | $260.33 | +442% | Bullish | |
| $200.22 | $361.02 | $679.07 | +11.9x | Bullish |
Current year — the forecast is anchored to the live price, so ROI shows 0%.
| Month | Min | Avg | Max | Change |
|---|---|---|---|---|
| August 2026 | $18.15 | $28.00 | $32.86 | +0.00% |
| September 2026 | $23.13 | $27.41 | $33.42 | -2.11% |
| October 2026 | $23.94 | $28.56 | $35.22 | +4.22% |
| November 2026 | $23.98 | $28.78 | $35.81 | +0.75% |
| December 2026 | $23.50 | $28.36 | $35.57 | -1.45% |
Click any year to see its month-by-month CSTL forecast. Min / Avg / Max are a bear / base / bull scenario; ROI is the projected move from the current price. Change is the month-over-month move in the average. Estimates, not guarantees.
Castle Biosciences, Inc.'s 2026 outlook centres on $28.00, within a $18.15 to $35.57 range. That marks a 0% change versus current levels. A consolidation phase looks the most probable path here.
By 2027, CSTL could reach as high as $44.78, with a base case around $33.58 and support toward $26.66 — roughly +20% from $28.00. Price action looks broadly range-bound.
Expect CSTL to range from $29.49 to $53.06 through 2028. The $38.26 average target implies a +37% move from current prices. That is up +14% on the projected 2027 average. Buyers look set to stay in control over this stretch.
The CSTL price prediction for 2029 points to an average of $50.20 (low $37.75, high $71.77) — a potential gain of +79% on today's $28.00. Momentum favours further upside here.
In 2030, CSTL is projected to trade between $44.76 and $89.21, averaging $60.82 — a potential gain of +117% from today's $28.00. That is up +21% on the projected 2029 average. Buyers look set to stay in control over this stretch.
Castle Biosciences, Inc.'s 2031 outlook centres on $66.74, within a $48.15 to $100.08 range. That is up +10% on the projected 2030 average. That marks a +138% change versus current levels. Momentum favours further upside here.
By 2032, CSTL could reach as high as $108.01, with a base case around $70.61 and support toward $50.01 — roughly +152% from $28.00. Buyers look set to stay in control over this stretch.
Expect CSTL to range from $51.13 to $114.39 through 2033. The $73.45 average target implies a +162% move from current prices. That is up +4% on the projected 2032 average. Momentum favours further upside here.
The CSTL price prediction for 2034 points to an average of $85.46 (low $58.52, high $135.31) — a potential gain of +205% on today's $28.00. Buyers look set to stay in control over this stretch.
In 2035, CSTL is projected to trade between $68.64 and $163.70, averaging $101.82 — a potential gain of +264% from today's $28.00. That is up +19% on the projected 2034 average. Momentum favours further upside here.
Castle Biosciences, Inc.'s 2040 outlook centres on $151.88, within a $95.33 to $260.33 range. That is up +49% on the projected 2035 average. That marks a +442% change versus current levels. Buyers look set to stay in control over this stretch.
By 2050, CSTL could reach as high as $679.07, with a base case around $361.02 and support toward $200.22 — roughly +11.9x from $28.00. Momentum favours further upside here.
Investing $1,000 in CSTL today (≈ 35.714286 CSTL) could be worth
$12,893.74
+$11,893.74 (+1189%) by 2050 · US Dollar
Based on the average projected CSTL price of $361.02 in 2050.
Based on the base (average) forecast scenario. FX rates are indicative. Estimates only — not financial advice.
See what a past investment in CSTLwould be worth at today's price.
$1,000 invested in CSTL on Jul 31, 2025 (≈ 66.006602 CSTL) would be worth
$1,848.18
+$848.18 (+84.8%) today · 1.85× · US Dollar
Based on a CSTL entry price of $15.15 vs. today's $28.
| Invested | Entry price | Value today | Return |
|---|---|---|---|
| 1 week ago | $24.68 | $1,134.29 | +13.4% |
| 1 month ago | $24.71 | $1,133.14 | +13.3% |
| 3 months ago | $24.81 | $1,128.58 | +12.9% |
| 6 months ago | $39.47 | $709.4 | -29.1% |
| 1 year ago | $15.15 | $1,848.18 | +84.8% |
| All time (5.0y) ago | $69.77 | $401.32 | -59.9% |
Past performance from historical market data — it does not predict future results. FX rates are indicative. Not financial advice.
Enter a price to see how it sits against our CSTL forecast.
Our base-case forecast reaches $56.00 around 2030.
Implied market cap at $56.00: $1.71B
The year-by-year forecast paints a clear growth arc. The 2026 average is $26.79, and by 2030 the average rises to $57.57, with a max of $84.09 and a min of $42.51—an implied ROI of 114.9 and a bullish sentiment.
Beyond 2030, the forecast continues to trend higher, with 2040 averaging $142.00 and a max of $241.83, yielding an ROI of 430 and a bullish sentiment. By 2050, the average is $335.83 with a max of $626.89, producing an ROI of 1153.6 and a bullish sentiment.
The trajectory shows continued gains into the late 2020s and beyond, with rising price levels and expanding ROIs, though the 2026 starting point is neutral. These are projections, not guarantees, and reflect estimated market dynamics under the provided inputs.
Tap a question to reveal the answer.
In 2030, the forecast shows a min of $42.51, an avg of $57.57, and a max of $84.09 with an ROI of 114.9 and sentiment BULLISH.
The forecast indicates a bullish long-term outlook, with rising averages and ROIs beyond 2026, including an avg of $57.57 in 2030 and an avg of $335.83 in 2050, though 2026 is neutral.
Yes. The 2029 average is $47.54 and the 2030 average is $57.57, indicating that reaching $50 is within the forecast path.
The 30-day range is $22.27 to $32.23, RSI14 is 70, SMA50 is $22.49, SMA200 is $28.84, with support at $20.25 and resistance at $26.79.
Current price: $26.79. Market cap: $812.54M. Rank: 2518.
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