PROK vs. B

Last updated Jul 11, 2026

PROK (ProKidney Corp.) and B (Barrick Mining Corporation) are both stocks. PROK operates in Biotechnology (Healthcare), while B operates in Gold (Basic Materials). Over the past 3 years, PROK returned -45.53%/yr vs 32.98%/yr for B. At a 0.14 correlation, their price movements are largely independent.

Performance

PROK vs. B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProKidney Corp. (PROK) and Barrick Mining Corporation (B). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PROK achieves a -21.43% return, which is significantly lower than B's -14.71% return.

PROK

• 1D: -2.22%
• 1M: 6.02%
• 6M: -24.79%
• YTD: -21.43%
• 1Y: -61.23%
• 3Y*: -45.53%
• 5Y*: —
• 10Y*: —

B

• 1D: -0.41%
• 1M: -8.76%
• 6M: -22.31%
• YTD: -14.71%
• 1Y: 76.80%
• 3Y*: 32.98%
• 5Y*: 14.38%
• 10Y*: 7.88%

*Multi-year figures are annualized to reflect compound growth (CAGR)

PROK vs. B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
PROK ProKidney Corp.	-21.43%	32.54%	-5.06%	-74.05%	-27.02%
B Barrick Mining Corporation	-14.71%	186.91%	-12.29%	7.86%	2.84%

Correlation

The correlation between PROK and B is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.23
Correlation (3Y) Calculated over the trailing 3-year period	0.16
Correlation (All Time) Calculated using the full available price history since Jul 12, 2022	0.14

Fundamentals

Market Cap PROK : $591.81M B : $61.46B
EPS PROK : -$0.00 B : $3.61
PS Ratio PROK : 93.84K B : 3.26
PB Ratio PROK : 949.39 B : 2.24
Total Revenue (TTM) PROK : $889.00K B : $19.00B
Gross Profit (TTM) PROK : -$2.18M B : $10.32B
EBITDA (TTM) PROK : -$112.46M B : $12.63B

Return for Risk

PROK vs. B — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

PROK

PROK Risk / Return Rank: 10
PROK Sharpe Ratio Rank: 13
PROK Sortino Ratio Rank: 12
PROK Omega Ratio Rank: 13
PROK Calmar Ratio Rank: 0
PROK Martin Ratio Rank: 12

B

B Risk / Return Rank: 83
B Sharpe Ratio Rank: 88
B Sortino Ratio Rank: 81
B Omega Ratio Rank: 83
B Calmar Ratio Rank: 83
B Martin Ratio Rank: 81

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

PROK vs. B - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProKidney Corp. (PROK) and Barrick Mining Corporation (B). 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	B	Difference
Sharpe ratio: Return per unit of total volatility	-0.74	1.70	-2.44
Sortino ratio: Return per unit of downside risk	-1.10	2.13	-3.23
Omega ratio: Gain probability vs. loss probability	0.87	1.29	-0.41
Calmar ratio: Return relative to maximum drawdown	-1.00	2.48	-3.48
Martin ratio: Return relative to average drawdown	-1.31	5.53	-6.84

PROK vs. B - Sharpe Ratio Comparison

The current PROK Sharpe Ratio is -0.74, which is lower than the B Sharpe Ratio of 1.70. The chart below compares the historical Sharpe Ratios of PROK and B, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

PROK vs. B - Drawdown Comparison

The maximum PROK drawdown since its inception was -96.29%, which is greater than B's maximum drawdown of -88.51%. Use the drawdown chart below to compare losses from any high point for PROK and B.

Drawdown Indicators

	PROK	B	Difference
Max Drawdown Largest peak-to-trough decline	-96.29%	-88.51%	-7.78%
Max Drawdown (1Y) Largest decline over 1 year	-65.86%	-31.69%	-34.17%
Max Drawdown (3Y) Largest decline over 3 years	-96.09%	-31.69%	-64.40%
Max Drawdown (5Y) Largest decline over 5 years	—	-47.96%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-56.24%	—
Current Drawdown Current decline from peak	-87.23%	-29.89%	-57.34%
Average Drawdown Average peak-to-trough decline	-65.62%	-37.26%	-28.36%
Ulcer Index Depth and duration of drawdowns from previous peaks	56.13%	14.17%	+41.96%

Volatility

PROK vs. B - Volatility Comparison

ProKidney Corp. (PROK) has a higher volatility of 18.95% compared to Barrick Mining Corporation (B) at 14.45%. This indicates that PROK's price experiences larger fluctuations and is considered to be riskier than B based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PROK	B	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.95%	14.45%	+4.50%
Volatility (6M) Calculated over the trailing 6-month period	48.03%	35.92%	+12.11%
Volatility (1Y) Calculated over the trailing 1-year period	91.99%	46.15%	+45.84%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	281.34%	36.46%	+244.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	281.34%	36.86%	+244.48%

Dividends

PROK vs. B - Dividend Comparison

PROK has not paid dividends to shareholders, while B's dividend yield for the trailing twelve months is around 2.51%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
B Barrick Mining Corporation	2.51%	1.21%	2.58%	2.21%	3.20%	2.47%	1.82%	0.70%	1.40%	0.83%	0.50%	1.90%
PROK ProKidney Corp.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both PROK and B in my portfolio?

PROK and B have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PROK or B?

PROK has higher volatility (18.95%) compared to B (14.45%). In terms of maximum drawdown, PROK dropped -96.29% vs B's -88.51%.

Which has better risk-adjusted returns?

B currently has the higher Sharpe Ratio (1.70 vs -0.74), 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.