HALO vs. DUOL
HALO (Halozyme Therapeutics, Inc.) and DUOL (Duolingo, Inc.) are both stocks. HALO operates in Biotechnology (Healthcare), while DUOL operates in Software - Application (Technology). Over the past 3 years, HALO returned 27.10%/yr vs -8.39%/yr for DUOL. At a 0.15 correlation, their price movements are largely independent.
Performance
HALO vs. DUOL - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, HALO achieves a 3.27% return, which is significantly higher than DUOL's -30.13% return.
HALO
- 1D
- -1.74%
- 1M
- 0.42%
- YTD
- 3.27%
- 6M
- 11.72%
- 1Y
- 28.75%
- 3Y*
- 27.10%
- 5Y*
- 10.19%
- 10Y*
- 22.84%
DUOL
- 1D
- -0.98%
- 1M
- 12.34%
- YTD
- -30.13%
- 6M
- -37.52%
- 1Y
- -74.37%
- 3Y*
- -8.39%
- 5Y*
- —
- 10Y*
- —
HALO vs. DUOL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
HALO Halozyme Therapeutics, Inc. | 3.27% | 40.77% | 29.36% | -35.04% | 41.51% | -2.26% |
DUOL Duolingo, Inc. | -30.13% | -45.87% | 42.93% | 218.92% | -32.97% | -24.96% |
Correlation
The correlation between HALO and DUOL is -0.08, 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 | -0.08 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.05 |
Correlation (All Time) Calculated using the full available price history since Jul 28, 2021 | 0.15 |
The correlation between HALO and DUOL shifts across timeframes, from -0.08 (1 year) to 0.15 (all time), reflecting how their relationship changes across market environments.
Fundamentals
HALO:
$2.87
DUOL:
$11.67
HALO:
24.26
DUOL:
10.51
HALO:
2.74
DUOL:
0.03
HALO:
5.61
DUOL:
4.04
HALO:
$1.51B
DUOL:
$1.10B
HALO:
$1.23B
DUOL:
$798.46M
HALO:
$980.05M
DUOL:
$167.30M
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
HALO vs. DUOL — Risk / Return Rank
HALO
DUOL
HALO vs. DUOL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Halozyme Therapeutics, Inc. (HALO) and Duolingo, Inc. (DUOL). 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.
| HALO | DUOL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.10 | ||
| Sortino ratioReturn per unit of downside risk | +3.72 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 0.72 | +0.45 |
| Calmar ratioReturn relative to maximum drawdown | 1.14 | -0.92 | +2.06 |
| Martin ratioReturn relative to average drawdown | 2.16 | -1.26 | +3.42 |
Loading charts...
Drawdowns
HALO vs. DUOL - Drawdown Comparison
The maximum HALO drawdown since its inception was -74.26%, smaller than the maximum DUOL drawdown of -83.35%. Use the drawdown chart below to compare losses from any high point for HALO and DUOL.
Loading charts...
Drawdown Indicators
| HALO | DUOL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -74.26% | -83.35% | +9.09% |
Max Drawdown (1Y)Largest decline over 1 year | -24.13% | -81.19% | +57.06% |
Max Drawdown (3Y)Largest decline over 3 years | -33.92% | -83.35% | +49.43% |
Max Drawdown (5Y)Largest decline over 5 years | -49.06% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -49.06% | — | — |
Current DrawdownCurrent decline from peak | -14.44% | -77.32% | +62.88% |
Average DrawdownAverage peak-to-trough decline | -31.88% | -35.76% | +3.88% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 12.73% | 59.48% | -46.75% |
Volatility
HALO vs. DUOL - Volatility Comparison
The current volatility for Halozyme Therapeutics, Inc. (HALO) is 8.94%, while Duolingo, Inc. (DUOL) has a volatility of 15.67%. This indicates that HALO experiences smaller price fluctuations and is considered to be less risky than DUOL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| HALO | DUOL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.94% | 15.67% | -6.73% |
Volatility (6M)Calculated over the trailing 6-month period | 24.02% | 40.94% | -16.92% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.20% | 62.97% | -32.77% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 39.42% | 66.21% | -26.79% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 42.88% | 66.21% | -23.33% |
Dividends
HALO vs. DUOL - Dividend Comparison
Neither HALO nor DUOL has paid dividends to shareholders.
Financials
HALO vs. DUOL - Financials Comparison
This section allows you to compare key financial metrics between Halozyme Therapeutics, Inc. and Duolingo, 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
HALO vs. DUOL - Profitability Comparison
HALO - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Halozyme Therapeutics, Inc. reported a gross profit of 297.47M and revenue of 376.71M. Therefore, the gross margin over that period was 79.0%.
DUOL - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Duolingo, Inc. reported a gross profit of 213.10M and revenue of 291.97M. Therefore, the gross margin over that period was 73.0%.
HALO - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Halozyme Therapeutics, Inc. reported an operating income of 184.52M and revenue of 376.71M, resulting in an operating margin of 49.0%.
DUOL - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Duolingo, Inc. reported an operating income of 44.53M and revenue of 291.97M, resulting in an operating margin of 15.3%.
HALO - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Halozyme Therapeutics, Inc. reported a net income of 150.05M and revenue of 376.71M, resulting in a net margin of 39.8%.
DUOL - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Duolingo, Inc. reported a net income of 43.46M and revenue of 291.97M, resulting in a net margin of 14.9%.
Frequently Asked Questions
HALO and DUOL have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
DUOL has higher volatility (15.67%) compared to HALO (8.94%). In terms of maximum drawdown, HALO dropped -74.26% vs DUOL's -83.35%.
HALO currently has the higher Sharpe Ratio (0.91 vs -1.19), 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 HALO and DUOL
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