CSTL Forecast — Price Prediction for 2025. Should I Buy CSTL?
1-Day-Price-Prediction
-0.96%
1-Week Prediction
+3.43%
1-Month Prediction
+0.38%
2026 Prediction
-58.76%
2030 Prediction
-5.4%
Based on our advanced algorithm, we have generated comprehensiveCSTL stock price predictions for multiple time horizons. Our models indicate potential volatility in the short term, with specific targets calculated for the 1-day and 1-week outlooks.
Looking further ahead, our analysts have pinpointed significant trend shifts in the longer-term data. We have exclusive projections available for the 1-month forecast, a detailed 2026 projection, and a long-range 2030 forecast that reveals potential upside or downside risks.
Unlock the full analysis to access these precise price targets and see exactly where our models predict CSTL is heading. Stay informed and make strategic decisions with our premium data-driven insights!
Should I Buy Castle Biosciences Inc Stock?
Based on our evaluation of the five key dimensions—Technical Signals, Moving Average trends, Short Sell Data, Similar Chart Pattern Matching and Seasonality Analysis—we have identified the following insights. CSTL has several negative signals and is within a falling trend, so we believe it will perform weakly in the next couple of days or weeks. We therefore hold a negative evaluation of this stock. Our analysis conclusion for this stock is a Strong Sell candidate.
CSTL stock price ended at $39.34 on Friday, after losing-1.38%
The Castle Biosciences Inc stock price decreased by -1.38% on the last trading day (09 Jan 2026), dropping from 39.9 to 39.34. Throughout the last trading session, the stock experienced a fluctuation of 5.25% , ranging from a day low of $38.675 to a day high of 40.705. The price has declined in 6 of the last 10 days, resulting in a total change of -1.87% during this period. On the last day, trading volume increase by 30.29K shares, with the falling prices. This could serve as an early warning, indicating that risk may slightly increase in the coming days. In total, 334.18K shares were traded, amounting to approximately 13.11M.
CSTL Technical Signals
CSTL(Castle Biosciences Inc Corp) has 2 buy signals and 5 sell signals now. The current trend is consolidation starting from 2026-01-07. The total price change during this trend is -3.13%. Recently, the price has dropped while volume increased, indicating a strong bearish signal. The average turnover of CSTL over the last 5 trading days is 14.50M. Overall, the technical indicator signals lean more toward a Bearish outlook in the mid-term.
CSTL Moving Average Analysis
Castle Biosciences Inc's overall moving average trend leans more bullish as of Saturday, January 10, 2026, with 1 negative signals and 3 positive signal. In the mid-term, the SMA_20 being above the SMA_60 signals a strong bullish trend. There will be some resistance from the lines at $41.86, and $43.41. A break-up above any of these levels will issue buy signals. There will be some support from the lines at $36.85, and $35.30. A break-down below any of these levels will issue sell signals.
CSTL Short Selling Analysis
The short sale ratio of Castle Biosciences Inc(CSTL) as of 10 Dec 2025 is 6.66%, dropping from last trading day. With decreasing price from 38.25 to 38.02. The short sell activity indicate that short sellers may be anticipating price hit a bottom.
Technical Signal
Technical Signals Summary
Sell
5
Buy
2
Moving Average
Swing
Negative
Stock Price Below SMA_5
Short Term
Positive
SMA_5 Above SMA_20
Mid Term
Positive
SMA_20 Above SMA_60
Long Term
Positive
SMA_60 Above SMA_200
Short Selling
Close Price
Short Sale Ratio
Short Sale Volume
2 Bullish Signals
2 Bullish Signals
When Value satisfies Signal, Indicator signals Bullish
Indicators
Signal
Value
Meaning
Indicators
Signal
Value
Meaning
Awesome Oscillator (5, 34)
AO_5_34 > 0
0.449
Bullish
Moving Average Convergence Divergence (12, 26, 9)
MACD_12_26_9 > 0
0.823
Bullish
5 Bearish Signals
5 Bearish Signals
When Value satisfies Signal, Indicator signals Bearish
Indicators
Signal
Value
Meaning
Indicators
Signal
Value
Meaning
Momentum (10 days)
MOM_10 < 0
-0.75
Bearish
Moving Average
Price crosses below 5-day SMA
--
Bearish
Moving Average
Price crosses below 10-day SMA
--
Bearish
Moving Average
Price crosses below 20-day SMA
--
Bearish
Moving Average
10-day SMA crosses below 20-day SMA
--
Bearish
CSTL Stock Forecast
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
Month
Min. Price
Avg. Price
Max. Price
Potential ROI
Jan 2026
$11.13
$16.23
$17.82
-0.03%
Feb 2026
$18.08
$22.25
$25.88
+37.12%
Mar 2026
$15.79
$16.23
$18.48
-0.03%
Apr 2026
$18.64
$20.14
$22.56
+24.08%
May 2026
$15.96
$18.73
$20.72
+15.38%
Jun 2026
$15.67
$20.16
$22.85
+24.21%
Jul 2026
$13.46
$17.28
$18.72
+6.49%
Aug 2026
$17.34
$20.29
$23.62
+25.01%
Sep 2026
$12.03
$16.79
$16.89
+3.43%
Oct 2026
$19.10
$20.00
$20.37
+23.25%
Nov 2026
$19.65
$20.03
$23.69
+23.39%
Dec 2026
$12.86
$16.23
$18.34
-0.03%
In 2026, Castle Biosciences Inc (CSTL) is anticipated to change hands in a trading channel between $11.13 and $25.88.
Castle Biosciences Inc Stock Forecast 2026
Jan 2026: CSTL Stock Forecast
Potential ROI: -0.03%
In Jan 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $16.23. The price is predicted to fluctuate between a low of $11.13 and a high of $17.82.
Feb 2026: CSTL Stock Forecast
Potential ROI: 37.12%
In Feb 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $22.25. The price is predicted to fluctuate between a low of $18.08 and a high of $25.88.
Mar 2026: CSTL Stock Forecast
Potential ROI: -0.03%
In Mar 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $16.23. The price is predicted to fluctuate between a low of $15.79 and a high of $18.48.
Apr 2026: CSTL Stock Forecast
Potential ROI: 24.08%
In Apr 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $20.14. The price is predicted to fluctuate between a low of $18.64 and a high of $22.56.
May 2026: CSTL Stock Forecast
Potential ROI: 15.38%
In May 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $18.73. The price is predicted to fluctuate between a low of $15.96 and a high of $20.72.
Jun 2026: CSTL Stock Forecast
Potential ROI: 24.21%
In Jun 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $20.16. The price is predicted to fluctuate between a low of $15.67 and a high of $22.85.
Jul 2026: CSTL Stock Forecast
Potential ROI: 6.49%
In Jul 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $17.28. The price is predicted to fluctuate between a low of $13.46 and a high of $18.72.
Aug 2026: CSTL Stock Forecast
Potential ROI: 25.01%
In Aug 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $20.29. The price is predicted to fluctuate between a low of $17.34 and a high of $23.62.
Sep 2026: CSTL Stock Forecast
Potential ROI: 3.43%
In Sep 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $16.79. The price is predicted to fluctuate between a low of $12.03 and a high of $16.89.
Oct 2026: CSTL Stock Forecast
Potential ROI: 23.25%
In Oct 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $20.00. The price is predicted to fluctuate between a low of $19.10 and a high of $20.37.
Nov 2026: CSTL Stock Forecast
Potential ROI: 23.39%
In Nov 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $20.03. The price is predicted to fluctuate between a low of $19.65 and a high of $23.69.
Dec 2026: CSTL Stock Forecast
Potential ROI: -0.03%
In Dec 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $16.23. The price is predicted to fluctuate between a low of $12.86 and a high of $18.34.
CSTL Price Prediction & Forecast by Similar Chart Analysis
Based on historical patterns and backtesting of stocks with similar movements to Castle Biosciences Inc(CSTL), our algorithm predicts CSTL's 1-month price at $37.74, with an -2.08%downwardshift. Using a similarity score up to 94.01%and other factors, This forecast updates weekly, adjusting for significant deviations.
Similar Chart
The price prediction chart for Castle Biosciences Inc (CSTL.O) stock, as of Sunday, January 4, 2026 , forecasts a -2.08% change over the next month, based on its high correlation with NKE.N stock patterns. The similarity between their price movements over the analyzed periods is 94.01%. The right panel lists other stocks with similar price patterns. This prediction is updated every week.
CSTL
No data
NKE
Down: -2.08%Similarity: 94.01%
Name
Similarity
Up/Down
NKE.N
94.01%
-2.08%
LMT.N
93.09%
+4.94%
PLTR.N
92.43%
-3.49%
KEN.N
92.23%
+12.15%
IBKR.O
92.06%
-3.35%
FPH.N
92.05%
-38.78%
NOAH.N
91.84%
+10.01%
WSO.N
91.56%
+3.03%
RZLT.O
91.43%
-2.80%
APLD.O
91.27%
+37.23%
CSTL Seasonality Analysis
Based on CSTL's historical stock price data across all years, the probability of a positive return in January is71.43%, suggesting it maybe an ideal month to invest in CSTL. In contrast,Augustoffers the highest probability of positive returns at100.00%, making it a potentially strong month for investment.
However, this is only a prediction based on one method, and a comprehensive assessment of the stock's future trend should consider additional factors. Our final stock price commentary incorporates three main evaluation dimensions: technical signals, Moving Average trends, and similar chart pattern matching, with the first two dimensions carrying the primary weight to ensure a more robust and accurate forecast.
Monthly Seasonality
The radar chart shows that buying Castle Biosciences Inc (CSTL.O) stock in August has the highest probability of a positive return (100.00%), while September has the lowest probability (14.29%).
Performance Seasonality
The chart shows Castle Biosciences Inc. (CSTL)'s annual stock price return for the past three years, helping you analyze price trends and identify recurring trends on an annual basis.
Should I buy Castle Biosciences Inc (CSTL.O) stock?
Based on our evaluation of the five key dimensions—Technical Signals, Moving Average trends, Short Sell Data, Similar Chart Pattern Matching and Seasonality Analysis—we have identified the following insights. CSTL has several negative signals and is within a falling trend, so we believe it will perform weakly in the next couple of days or weeks. We therefore hold a negative evaluation of this stock. Our analysis conclusion for this stock is a Strong Sell candidate.
Which months have the highest win rate for buying Castle Biosciences Inc (CSTL.O) stock in a year?
The radar chart shows that buying Castle Biosciences Inc (CSTL.O) stock in August has the highest probability of a positive return (100.00%), while September has the lowest probability (14.29%).
How has Castle Biosciences Inc. (CSTL)'s stock price performed over the past three years?
CSTL's stock price rose by 21.36% in 2024,increased by 38.73% in 2025, and went up by 2.08%in 2026.
Is CSTL a buy based on overall technical signals summary?
CSTL has 2 buy signals and 5 sell signals now. Overall the technical rating for CSTL is Sell . Note that market conditions change all the time. In addition to technical ratings, keep an eye on the Valuation Level of CSTL.
What is the trend of Castle Biosciences Inc (CSTL)'s moving average?
Castle Biosciences Inc's overall moving average trend leans more bullish as of January 10 2026, with 1 negative signals and 3 positive signal.
What is price prediction for CSTL stock next month?
The price prediction chart for Castle Biosciences Inc (CSTL.O) stock, as of January 04 2026, forecasts a -2.08% change over the next month, based on its high correlation with NKE stock patterns. The similarity between their price movements over the analyzed periods is 94.01%. The right panel lists other stocks with similar price patterns. This prediction is updated every week.
What is price prediction 2026 for Castle Biosciences Inc (CSTL) Stock?
In Dec 2026, Castle Biosciences Inc's value is forecasted to reach an average price of $16.23. The price is predicted to fluctuate between a low of $12.86 and a high of $18.34.
What is price prediction 2030 for Castle Biosciences Inc (CSTL) Stock?
In Dec 2030, Castle Biosciences Inc's value is forecasted to reach an average price of $40.09. The price is predicted to fluctuate between a low of $36.19 and a high of $49.42.
Negative
Positive
