DUOL vs. BIL
DUOL (Duolingo, Inc.) is a stock, while BIL (SPDR Bloomberg 1-3 Month T-Bill ETF) is Government Bonds fund tracking the Bloomberg 1-3 Month U.S. Treasury Bill Index. Over the past 3 years, DUOL returned -4.96%/yr vs 4.57%/yr for BIL. At a correlation of -0.02, they often move in opposite directions.
Performance
DUOL vs. BIL - Performance Comparison
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Returns By Period
In the year-to-date period, DUOL achieves a -26.87% return, which is significantly lower than BIL's 1.89% return.
DUOL
- 1D
- -3.01%
- 1M
- 4.66%
- 6M
- -22.59%
- YTD
- -26.87%
- 1Y
- -65.90%
- 3Y*
- -4.96%
- 5Y*
- —
- 10Y*
- —
BIL
- 1D
- 0.01%
- 1M
- 0.29%
- 6M
- 1.77%
- YTD
- 1.89%
- 1Y
- 3.82%
- 3Y*
- 4.57%
- 5Y*
- 3.50%
- 10Y*
- 2.22%
DUOL vs. BIL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
DUOL Duolingo, Inc. | -26.87% | -45.87% | 42.93% | 218.92% | -32.97% | -24.96% |
BIL SPDR Bloomberg 1-3 Month T-Bill ETF | 1.89% | 4.15% | 5.19% | 4.94% | 1.40% | -0.03% |
Correlation
The correlation between DUOL and BIL is -0.06, 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 | -0.06 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.06 |
Correlation (All Time) Calculated using the full available price history since Jul 28, 2021 | -0.02 |
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Return for Risk
DUOL vs. BIL — Risk / Return Rank
DUOL
BIL
DUOL vs. BIL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Duolingo, Inc. (DUOL) and SPDR Bloomberg 1-3 Month T-Bill ETF (BIL). 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.
| DUOL | BIL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -20.09 | ||
| Sortino ratioReturn per unit of downside risk | -155.29 | ||
| Omega ratioGain probability vs. loss probability | 0.79 | 69.55 | -68.76 |
| Calmar ratioReturn relative to maximum drawdown | -0.86 | 350.30 | -351.16 |
| Martin ratioReturn relative to average drawdown | -1.18 | 2,484.19 | -2,485.37 |
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Drawdowns
DUOL vs. BIL - Drawdown Comparison
The maximum DUOL drawdown since its inception was -83.35%, which is greater than BIL's maximum drawdown of -0.78%. Use the drawdown chart below to compare losses from any high point for DUOL and BIL.
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Drawdown Indicators
| DUOL | BIL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -83.35% | -0.78% | -82.57% |
Max Drawdown (1Y)Largest decline over 1 year | -76.96% | -0.01% | -76.95% |
Max Drawdown (3Y)Largest decline over 3 years | -83.35% | -0.01% | -83.34% |
Max Drawdown (5Y)Largest decline over 5 years | — | -0.08% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -0.21% | — |
Current DrawdownCurrent decline from peak | -76.26% | 0.00% | -76.26% |
Average DrawdownAverage peak-to-trough decline | -36.42% | -0.26% | -36.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 55.86% | 0.00% | +55.86% |
Volatility
DUOL vs. BIL - Volatility Comparison
Duolingo, Inc. (DUOL) has a higher volatility of 17.55% compared to SPDR Bloomberg 1-3 Month T-Bill ETF (BIL) at 0.07%. This indicates that DUOL's price experiences larger fluctuations and is considered to be riskier than BIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DUOL | BIL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 17.55% | 0.07% | +17.48% |
Volatility (6M)Calculated over the trailing 6-month period | 43.35% | 0.14% | +43.21% |
Volatility (1Y)Calculated over the trailing 1-year period | 64.37% | 0.20% | +64.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 66.12% | 0.26% | +65.86% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 66.12% | 0.26% | +65.86% |
Dividends
DUOL vs. BIL - Dividend Comparison
DUOL has not paid dividends to shareholders, while BIL's dividend yield for the trailing twelve months is around 3.81%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
BIL SPDR Bloomberg 1-3 Month T-Bill ETF | 3.81% | 4.13% | 5.03% | 4.92% | 1.35% | 0.00% | 0.30% | 2.05% | 1.66% | 0.68% | 0.07% |
DUOL Duolingo, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
DUOL and BIL have a correlation of -0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
DUOL has higher volatility (17.55%) compared to BIL (0.07%). In terms of maximum drawdown, DUOL dropped -83.35% vs BIL's -0.78%.
BIL currently has the higher Sharpe Ratio (19.07 vs -1.03), 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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