BYRN vs. GFI
BYRN (Byrna Technologies Inc.) and GFI (Gold Fields Limited) are both stocks. BYRN operates in Aerospace & Defense (Industrials), while GFI operates in Gold (Basic Materials). Over the past 10 years, BYRN returned 4.88%/yr vs 22.89%/yr for GFI. At a 0.03 correlation, their price movements are largely independent.
Performance
BYRN vs. GFI - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, BYRN achieves a -76.98% return, which is significantly lower than GFI's -19.53% return. Over the past 10 years, BYRN has underperformed GFI with an annualized return of 4.88%, while GFI has yielded a comparatively higher 22.89% annualized return.
BYRN
- 1D
- -1.90%
- 1M
- -40.08%
- 6M
- -77.79%
- YTD
- -76.98%
- 1Y
- -83.17%
- 3Y*
- -1.63%
- 5Y*
- -28.95%
- 10Y*
- 4.88%
GFI
- 1D
- 0.29%
- 1M
- -4.90%
- 6M
- -23.10%
- YTD
- -19.53%
- 1Y
- 47.03%
- 3Y*
- 40.04%
- 5Y*
- 34.68%
- 10Y*
- 22.89%
BYRN vs. GFI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BYRN Byrna Technologies Inc. | -76.98% | -41.72% | 350.86% | -18.49% | -41.27% | -7.93% | 663.16% | 26.67% | 7.14% | -30.00% |
GFI Gold Fields Limited | -19.53% | 240.42% | -6.27% | 44.90% | -2.61% | 23.33% | 43.02% | 89.47% | -16.75% | 45.29% |
Correlation
The correlation between BYRN and GFI is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.09 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.10 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.07 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.05 |
Correlation (All Time) Calculated using the full available price history since Feb 23, 2011 | 0.03 |
Fundamentals
BYRN:
$87.68M
GFI:
$30.56B
BYRN:
-$0.16
GFI:
$5.39
BYRN:
0.84
GFI:
2.18
BYRN:
1.54
GFI:
3.62
BYRN:
$108.86M
GFI:
$13.98B
BYRN:
$57.17M
GFI:
$7.34B
BYRN:
-$3.55M
GFI:
$8.04B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
BYRN vs. GFI — Risk / Return Rank
BYRN
GFI
BYRN vs. GFI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Byrna Technologies Inc. (BYRN) and Gold Fields Limited (GFI). 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.
| BYRN | GFI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.86 | ||
| Sortino ratioReturn per unit of downside risk | -3.71 | ||
| Omega ratioGain probability vs. loss probability | 0.69 | 1.18 | -0.49 |
| Calmar ratioReturn relative to maximum drawdown | -0.99 | 1.04 | -2.03 |
| Martin ratioReturn relative to average drawdown | -1.65 | 2.44 | -4.10 |
Loading charts...
Drawdowns
BYRN vs. GFI - Drawdown Comparison
The maximum BYRN drawdown since its inception was -92.51%, which is greater than GFI's maximum drawdown of -88.05%. Use the drawdown chart below to compare losses from any high point for BYRN and GFI.
Loading charts...
Drawdown Indicators
| BYRN | GFI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -92.51% | -88.05% | -4.46% |
Max Drawdown (1Y)Largest decline over 1 year | -86.01% | -46.66% | -39.35% |
Max Drawdown (3Y)Largest decline over 3 years | -88.70% | -46.66% | -42.04% |
Max Drawdown (5Y)Largest decline over 5 years | -92.51% | -56.22% | -36.29% |
Max Drawdown (10Y)Largest decline over 10 years | -92.51% | -63.09% | -29.42% |
Current DrawdownCurrent decline from peak | -88.70% | -42.88% | -45.82% |
Average DrawdownAverage peak-to-trough decline | -52.50% | -44.24% | -8.26% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 51.63% | 19.83% | +31.80% |
Volatility
BYRN vs. GFI - Volatility Comparison
Byrna Technologies Inc. (BYRN) has a higher volatility of 46.46% compared to Gold Fields Limited (GFI) at 19.88%. This indicates that BYRN's price experiences larger fluctuations and is considered to be riskier than GFI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| BYRN | GFI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 46.46% | 19.88% | +26.58% |
Volatility (6M)Calculated over the trailing 6-month period | 74.13% | 47.77% | +26.36% |
Volatility (1Y)Calculated over the trailing 1-year period | 82.31% | 61.30% | +21.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 75.22% | 52.77% | +22.45% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 96.16% | 54.77% | +41.39% |
Dividends
BYRN vs. GFI - Dividend Comparison
BYRN has not paid dividends to shareholders, while GFI's dividend yield for the trailing twelve months is around 5.39%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BYRN Byrna Technologies Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
GFI Gold Fields Limited | 5.39% | 1.77% | 2.94% | 2.87% | 3.40% | 3.24% | 1.72% | 0.81% | 1.61% | 1.41% | 1.35% | 0.60% |
Financials
BYRN vs. GFI - Financials Comparison
This section allows you to compare key financial metrics between Byrna Technologies Inc. and Gold Fields Limited. 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
BYRN vs. GFI - Profitability Comparison
BYRN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Byrna Technologies Inc. reported a gross profit of 1.78M and revenue of 16.39M. Therefore, the gross margin over that period was 10.9%.
GFI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Gold Fields Limited reported a gross profit of 3.00B and revenue of 5.29B. Therefore, the gross margin over that period was 56.7%.
BYRN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Byrna Technologies Inc. reported an operating income of -12.85M and revenue of 16.39M, resulting in an operating margin of -78.4%.
GFI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Gold Fields Limited reported an operating income of 2.71B and revenue of 5.29B, resulting in an operating margin of 51.3%.
BYRN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Byrna Technologies Inc. reported a net income of -10.09M and revenue of 16.39M, resulting in a net margin of -61.6%.
GFI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Gold Fields Limited reported a net income of 2.55B and revenue of 5.29B, resulting in a net margin of 48.2%.
Frequently Asked Questions
BYRN and GFI have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BYRN has higher volatility (46.46%) compared to GFI (19.88%). In terms of maximum drawdown, BYRN dropped -92.51% vs GFI's -88.05%.
GFI currently has the higher Sharpe Ratio (0.79 vs -1.07), 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.
Find the right allocation for BYRN and GFI
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer