PROK
Price
$3.37
Change
-$0.32 (-8.67%)
Updated
Jul 15 closing price
Capitalization
449.62M
22 days until earnings call
RLYB
Price
$0.41
Change
-$0.01 (-2.38%)
Updated
Jul 15 closing price
Capitalization
17.23M
21 days until earnings call
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PROK vs RLYB

Header iconPROK vs RLYB Comparison
Open Charts PROK vs RLYBBanner chart's image
ProKidney
Price$3.37
Change-$0.32 (-8.67%)
Volume$34.6M
Capitalization449.62M
Rallybio
Price$0.41
Change-$0.01 (-2.38%)
Volume$1.43M
Capitalization17.23M
PROK vs RLYB Comparison Chart in %
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PROK
Daily Signalchanged days ago
Gain/Loss if bought
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RLYB
Daily Signalchanged days ago
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PROK vs. RLYB commentary
Jul 16, 2025

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 PROK is a Buy and RLYB is a StrongBuy.

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COMPARISON
Comparison
Jul 16, 2025
Stock price -- (PROK: $3.37 vs. RLYB: $0.41)
Brand notoriety: PROK and RLYB are both not notable
Both companies represent the Biotechnology industry
Current volume relative to the 65-day Moving Average: PROK: 202% vs. RLYB: 120%
Market capitalization -- PROK: $449.62M vs. RLYB: $17.23M
PROK [@Biotechnology] is valued at $449.62M. RLYB’s [@Biotechnology] market capitalization is $17.23M. The market cap for tickers in the [@Biotechnology] industry ranges from $308.32B to $0. The average market capitalization across the [@Biotechnology] industry is $2.45B.

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).

PROK’s FA Score shows that 0 FA rating(s) are green whileRLYB’s FA Score has 0 green FA rating(s).

  • PROK’s FA Score: 0 green, 5 red.
  • RLYB’s FA Score: 0 green, 5 red.
According to our system of comparison, both PROK and RLYB are a bad buy in the long-term.

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.

PROK’s TA Score shows that 7 TA indicator(s) are bullish while RLYB’s TA Score has 7 bullish TA indicator(s).

  • PROK’s TA Score: 7 bullish, 3 bearish.
  • RLYB’s TA Score: 7 bullish, 3 bearish.
According to our system of comparison, both PROK and RLYB are a good buy in the short-term.

Price Growth

PROK (@Biotechnology) experienced а -9.65% price change this week, while RLYB (@Biotechnology) price change was +21.62% for the same time period.

The average weekly price growth across all stocks in the @Biotechnology industry was +2.69%. For the same industry, the average monthly price growth was +18.51%, and the average quarterly price growth was +31.06%.

Reported Earning Dates

PROK is expected to report earnings on Nov 18, 2025.

RLYB is expected to report earnings on Nov 06, 2025.

Industries' Descriptions

@Biotechnology (+2.69% weekly)

Biotechnology involves genetic or protein engineering to produce medicines/therapies for treating and preventing ailments. The industry also provides crucial ingredients for diagnostics. This multi-billion-dollar industry is heavily focused on research and development, as companies attempt to continually come up with cutting-edge solutions for health. New discoveries for the treatment of diseases provide opportunities for growth for a company in this industry. Discoveries, however, must pass the regulatory approval from the U.S. Food and Drug Administration (FDA) before they can make it to markets. Amgen Inc., Gilead Sciences, Inc. and Celgene Corporation are examples of companies in this industry.

SUMMARIES
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FUNDAMENTALS
Fundamentals
PROK($450M) has a higher market cap than RLYB($17.2M). PROK YTD gains are higher at: 99.408 vs. RLYB (-56.875). RLYB has higher annual earnings (EBITDA): -50.26M vs. PROK (-160.12M). PROK has more cash in the bank: 328M vs. RLYB (54.5M). RLYB has less debt than PROK: RLYB (116K) vs PROK (3.37M). RLYB has higher revenues than PROK: RLYB (848K) vs PROK (306K).
PROKRLYBPROK / RLYB
Capitalization450M17.2M2,616%
EBITDA-160.12M-50.26M319%
Gain YTD99.408-56.875-175%
P/E RatioN/AN/A-
Revenue306K848K36%
Total Cash328M54.5M602%
Total Debt3.37M116K2,904%
TECHNICAL ANALYSIS
Technical Analysis
PROKRLYB
RSI
ODDS (%)
Bearish Trend 1 day ago
75%
Bearish Trend 1 day ago
89%
Stochastic
ODDS (%)
Bullish Trend 1 day ago
67%
Bullish Trend 1 day ago
83%
Momentum
ODDS (%)
Bullish Trend 1 day ago
63%
Bullish Trend 1 day ago
90%
MACD
ODDS (%)
Bullish Trend 1 day ago
73%
Bullish Trend 1 day ago
86%
TrendWeek
ODDS (%)
Bearish Trend 1 day ago
68%
Bullish Trend 1 day ago
86%
TrendMonth
ODDS (%)
Bullish Trend 1 day ago
69%
Bullish Trend 1 day ago
87%
Advances
ODDS (%)
Bullish Trend 7 days ago
72%
Bullish Trend 3 days ago
87%
Declines
ODDS (%)
Bearish Trend 1 day ago
80%
Bearish Trend 7 days ago
87%
BollingerBands
ODDS (%)
Bearish Trend 1 day ago
65%
Bearish Trend 1 day ago
90%
Aroon
ODDS (%)
Bullish Trend 1 day ago
64%
Bullish Trend 1 day ago
89%
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PROK
Daily Signalchanged days ago
Gain/Loss if bought
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RLYB
Daily Signalchanged days ago
Gain/Loss if bought
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PROK and

Correlation & Price change

A.I.dvisor indicates that over the last year, PROK has been loosely correlated with NRIX. These tickers have moved in lockstep 39% of the time. This A.I.-generated data suggests there is some statistical probability that if PROK jumps, then NRIX could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To PROK
1D Price
Change %
PROK100%
-8.67%
NRIX - PROK
39%
Loosely correlated
-4.26%
CGON - PROK
39%
Loosely correlated
-3.67%
APGE - PROK
38%
Loosely correlated
-4.48%
CGEM - PROK
37%
Loosely correlated
-5.34%
KYMR - PROK
37%
Loosely correlated
+0.02%
More

RLYB and

Correlation & Price change

A.I.dvisor indicates that over the last year, RLYB has been loosely correlated with PXXLF. These tickers have moved in lockstep 44% of the time. This A.I.-generated data suggests there is some statistical probability that if RLYB jumps, then PXXLF could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To RLYB
1D Price
Change %
RLYB100%
-1.43%
PXXLF - RLYB
44%
Loosely correlated
N/A
PROK - RLYB
44%
Loosely correlated
-8.67%
PRME - RLYB
42%
Loosely correlated
-10.72%
ATXS - RLYB
42%
Loosely correlated
-4.68%
GBIO - RLYB
39%
Loosely correlated
-3.18%
More