CSTL
Price
$40.77
Change
+$1.13 (+2.85%)
Updated
Jan 14 closing price
Capitalization
1.19B
48 days until earnings call
Intraday BUY SELL Signals
GH
Price
$108.60
Change
+$1.71 (+1.60%)
Updated
Jan 14 closing price
Capitalization
14.1B
35 days until earnings call
Intraday BUY SELL Signals
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CSTL vs GH

Header iconCSTL vs GH Comparison
Open Charts CSTL vs GHBanner chart's image
Castle Biosciences
Price$40.77
Change+$1.13 (+2.85%)
Volume$410.79K
Capitalization1.19B
Guardant Health
Price$108.60
Change+$1.71 (+1.60%)
Volume$1.39M
Capitalization14.1B
CSTL vs GH Comparison Chart in %
CSTL
Daily Signal:
Gain/Loss:
GH
Daily Signal:
Gain/Loss:
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CSTL vs. GH commentary
Jan 15, 2026

To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is CSTL is a Hold and GH is a Hold.

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COMPARISON
Comparison
Jan 15, 2026
Stock price -- (CSTL: $40.77 vs. GH: $108.60)
Brand notoriety: CSTL: Not notable vs. GH: Notable
Both companies represent the Medical Specialties industry
Current volume relative to the 65-day Moving Average: CSTL: 102% vs. GH: 65%
Market capitalization -- CSTL: $1.19B vs. GH: $14.1B
CSTL [@Medical Specialties] is valued at $1.19B. GH’s [@Medical Specialties] market capitalization is $14.1B. The market cap for tickers in the [@Medical Specialties] industry ranges from $3.82T to $0. The average market capitalization across the [@Medical Specialties] industry is $13.2B.

Long-Term Analysis

It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).

CSTL’s FA Score shows that 0 FA rating(s) are green whileGH’s FA Score has 0 green FA rating(s).

  • CSTL’s FA Score: 0 green, 5 red.
  • GH’s FA Score: 0 green, 5 red.
According to our system of comparison, CSTL is a better buy in the long-term than GH.

Short-Term Analysis

It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.

If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.

CSTL’s TA Score shows that 4 TA indicator(s) are bullish while GH’s TA Score has 3 bullish TA indicator(s).

  • CSTL’s TA Score: 4 bullish, 3 bearish.
  • GH’s TA Score: 3 bullish, 4 bearish.
According to our system of comparison, CSTL is a better buy in the short-term than GH.

Price Growth

CSTL (@Medical Specialties) experienced а +0.39% price change this week, while GH (@Medical Specialties) price change was -1.21% for the same time period.

The average weekly price growth across all stocks in the @Medical Specialties industry was +2.25%. For the same industry, the average monthly price growth was +4.41%, and the average quarterly price growth was +42.06%.

Reported Earning Dates

CSTL is expected to report earnings on Mar 04, 2026.

GH is expected to report earnings on Feb 19, 2026.

Industries' Descriptions

@Medical Specialties (+2.25% weekly)

Medical specialties are companies that make equipment used by the health care industry. Equipment manufactured and distributed by these companies include dialysis machines, blood analysis equipment, surgical equipment, dental instruments, and diagnostic tools, among other items. Large companies typically aim to produce and distribute high-quality products across a broad market spectrum. Smaller firms are more likely to specialize in a particular market segment. Due to the industry’s close association with medical treatments, they typically have low sensitivity to macroeconomic fluctuations. Within this industry, Abbott Laboratories, Medtronic Plc and Thermo Fisher Scientific Inc. are some of the companies with multi-billion market capitalizations in the U.S. stock markets.

SUMMARIES
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FUNDAMENTALS
Fundamentals
GH($14.1B) has a higher market cap than CSTL($1.19B). GH YTD gains are higher at: 6.325 vs. CSTL (4.807). CSTL has higher annual earnings (EBITDA): 24M vs. GH (-354.11M). GH has more cash in the bank: 580M vs. CSTL (288M). CSTL has less debt than GH: CSTL (37.1M) vs GH (1.33B). GH has higher revenues than CSTL: GH (903M) vs CSTL (344M).
CSTLGHCSTL / GH
Capitalization1.19B14.1B8%
EBITDA24M-354.11M-7%
Gain YTD4.8076.32576%
P/E Ratio30.24N/A-
Revenue344M903M38%
Total Cash288M580M50%
Total Debt37.1M1.33B3%
FUNDAMENTALS RATINGS
CSTL vs GH: Fundamental Ratings
CSTL
GH
OUTLOOK RATING
1..100
8065
VALUATION
overvalued / fair valued / undervalued
1..100
57
Fair valued
77
Overvalued
PROFIT vs RISK RATING
1..100
100100
SMR RATING
1..100
91100
PRICE GROWTH RATING
1..100
3735
P/E GROWTH RATING
1..100
99100
SEASONALITY SCORE
1..100
3650

Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.

CSTL's Valuation (57) in the null industry is in the same range as GH (77) in the Medical Or Nursing Services industry. This means that CSTL’s stock grew similarly to GH’s over the last 12 months.

CSTL's Profit vs Risk Rating (100) in the null industry is in the same range as GH (100) in the Medical Or Nursing Services industry. This means that CSTL’s stock grew similarly to GH’s over the last 12 months.

CSTL's SMR Rating (91) in the null industry is in the same range as GH (100) in the Medical Or Nursing Services industry. This means that CSTL’s stock grew similarly to GH’s over the last 12 months.

GH's Price Growth Rating (35) in the Medical Or Nursing Services industry is in the same range as CSTL (37) in the null industry. This means that GH’s stock grew similarly to CSTL’s over the last 12 months.

CSTL's P/E Growth Rating (99) in the null industry is in the same range as GH (100) in the Medical Or Nursing Services industry. This means that CSTL’s stock grew similarly to GH’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
CSTLGH
RSI
ODDS (%)
Bearish Trend 3 days ago
76%
Bearish Trend 3 days ago
83%
Stochastic
ODDS (%)
Bullish Trend 3 days ago
80%
Bearish Trend 3 days ago
80%
Momentum
ODDS (%)
Bullish Trend 3 days ago
82%
Bullish Trend 3 days ago
73%
MACD
ODDS (%)
N/A
Bullish Trend 3 days ago
77%
TrendWeek
ODDS (%)
Bearish Trend 3 days ago
83%
Bearish Trend 3 days ago
83%
TrendMonth
ODDS (%)
Bullish Trend 3 days ago
77%
Bullish Trend 3 days ago
79%
Advances
ODDS (%)
Bullish Trend 9 days ago
78%
Bullish Trend 24 days ago
79%
Declines
ODDS (%)
Bearish Trend 7 days ago
82%
Bearish Trend 3 days ago
85%
BollingerBands
ODDS (%)
Bearish Trend 3 days ago
70%
Bearish Trend 3 days ago
80%
Aroon
ODDS (%)
Bullish Trend 3 days ago
89%
Bullish Trend 8 days ago
85%
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CSTL
Daily Signal:
Gain/Loss:
GH
Daily Signal:
Gain/Loss:
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CSTL and

Correlation & Price change

A.I.dvisor indicates that over the last year, CSTL has been loosely correlated with TCMD. These tickers have moved in lockstep 50% of the time. This A.I.-generated data suggests there is some statistical probability that if CSTL jumps, then TCMD could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To CSTL
1D Price
Change %
CSTL100%
+2.85%
TCMD - CSTL
50%
Loosely correlated
+0.17%
NTRA - CSTL
42%
Loosely correlated
+0.55%
GH - CSTL
38%
Loosely correlated
+1.60%
OFIX - CSTL
38%
Loosely correlated
-3.31%
VCYT - CSTL
36%
Loosely correlated
-1.39%
More

GH and

Correlation & Price change

A.I.dvisor indicates that over the last year, GH has been loosely correlated with NTRA. These tickers have moved in lockstep 53% of the time. This A.I.-generated data suggests there is some statistical probability that if GH jumps, then NTRA could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To GH
1D Price
Change %
GH100%
+1.60%
NTRA - GH
53%
Loosely correlated
+0.55%
RGEN - GH
42%
Loosely correlated
-3.16%
VCYT - GH
41%
Loosely correlated
-1.39%
GKOS - GH
40%
Loosely correlated
-5.26%
ITGR - GH
40%
Loosely correlated
+2.37%
More