PROK vs. CRBU
PROK (ProKidney Corp.) and CRBU (Caribou Biosciences, Inc.) are both stocks. Both operate in the Biotechnology industry within the Healthcare sector. Over the past 3 years, PROK returned -47.80%/yr vs -37.96%/yr for CRBU. At a 0.28 correlation, their price movements are largely independent.
Performance
PROK vs. CRBU - Performance Comparison
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Returns By Period
In the year-to-date period, PROK achieves a -27.68% return, which is significantly lower than CRBU's 3.77% return.
PROK
- 1D
- 0.62%
- 1M
- -7.43%
- 6M
- -29.26%
- YTD
- -27.68%
- 1Y
- -53.98%
- 3Y*
- -47.80%
- 5Y*
- —
- 10Y*
- —
CRBU
- 1D
- -0.60%
- 1M
- 0.61%
- 6M
- 13.01%
- YTD
- 3.77%
- 1Y
- -9.84%
- 3Y*
- -37.96%
- 5Y*
- —
- 10Y*
- —
PROK vs. CRBU - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
PROK ProKidney Corp. | -27.68% | 32.54% | -5.06% | -74.05% | -27.02% |
CRBU Caribou Biosciences, Inc. | 3.77% | 0.00% | -72.25% | -8.76% | -6.13% |
Correlation
The correlation between PROK and CRBU is 0.37, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.37 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.33 |
Correlation (All Time) Calculated using the full available price history since Jul 12, 2022 | 0.28 |
Fundamentals
PROK:
$544.73M
CRBU:
$163.65M
PROK:
-$0.00
CRBU:
-$1.41
PROK:
86.37K
CRBU:
17.72
PROK:
873.87
CRBU:
1.55
PROK:
$889.00K
CRBU:
$8.81M
PROK:
-$2.18M
CRBU:
$7.49M
PROK:
-$112.46M
CRBU:
-$115.23M
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Return for Risk
PROK vs. CRBU — Risk / Return Rank
PROK
CRBU
PROK vs. CRBU - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProKidney Corp. (PROK) and Caribou Biosciences, Inc. (CRBU). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| PROK | CRBU | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.50 | ||
| Sortino ratioReturn per unit of downside risk | -1.10 | ||
| Omega ratioGain probability vs. loss probability | 0.92 | 1.04 | -0.12 |
| Calmar ratioReturn relative to maximum drawdown | -1.02 | -0.19 | -0.83 |
| Martin ratioReturn relative to average drawdown | -1.59 | -0.31 | -1.27 |
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Drawdowns
PROK vs. CRBU - Drawdown Comparison
The maximum PROK drawdown since its inception was -96.29%, roughly equal to the maximum CRBU drawdown of -97.58%. Use the drawdown chart below to compare losses from any high point for PROK and CRBU.
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Drawdown Indicators
| PROK | CRBU | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.29% | -97.58% | +1.29% |
Max Drawdown (1Y)Largest decline over 1 year | -53.03% | -51.06% | -1.97% |
Max Drawdown (3Y)Largest decline over 3 years | -96.09% | -91.12% | -4.97% |
Current DrawdownCurrent decline from peak | -88.24% | -94.55% | +6.31% |
Average DrawdownAverage peak-to-trough decline | -65.73% | -79.59% | +13.86% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 37.78% | 31.65% | +6.13% |
Volatility
PROK vs. CRBU - Volatility Comparison
ProKidney Corp. (PROK) has a higher volatility of 21.51% compared to Caribou Biosciences, Inc. (CRBU) at 15.29%. This indicates that PROK's price experiences larger fluctuations and is considered to be riskier than CRBU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PROK | CRBU | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 21.51% | 15.29% | +6.22% |
Volatility (6M)Calculated over the trailing 6-month period | 49.00% | 50.46% | -1.46% |
Volatility (1Y)Calculated over the trailing 1-year period | 86.54% | 77.91% | +8.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 280.69% | 86.28% | +194.41% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 280.69% | 86.28% | +194.41% |
Dividends
PROK vs. CRBU - Dividend Comparison
Neither PROK nor CRBU has paid dividends to shareholders.
Financials
PROK vs. CRBU - Financials Comparison
This section allows you to compare key financial metrics between ProKidney Corp. and Caribou Biosciences, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
Frequently Asked Questions
PROK and CRBU have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PROK has higher volatility (21.51%) compared to CRBU (15.29%). In terms of maximum drawdown, PROK dropped -96.29% vs CRBU's -97.58%.
CRBU currently has the higher Sharpe Ratio (-0.13 vs -0.63), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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