DUOL vs. IBDT
DUOL (Duolingo, Inc.) is a stock, while IBDT (iShares iBonds Dec 2028 Term Corporate ETF) is Corporate Bonds fund tracking the Bloomberg December 2028 Maturity Corporate Index. Over the past 3 years, DUOL returned -4.96%/yr vs 5.53%/yr for IBDT. At a 0.10 correlation, their price movements are largely independent.
Performance
DUOL vs. IBDT - 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 IBDT's 1.04% return.
DUOL
- 1D
- -3.01%
- 1M
- 4.66%
- 6M
- -22.59%
- YTD
- -26.87%
- 1Y
- -65.90%
- 3Y*
- -4.96%
- 5Y*
- —
- 10Y*
- —
IBDT
- 1D
- 0.12%
- 1M
- 0.12%
- 6M
- 0.98%
- YTD
- 1.04%
- 1Y
- 4.13%
- 3Y*
- 5.53%
- 5Y*
- 1.14%
- 10Y*
- —
DUOL vs. IBDT - 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% |
IBDT iShares iBonds Dec 2028 Term Corporate ETF | 1.04% | 7.02% | 3.97% | 7.72% | -11.42% | -1.92% |
Correlation
The correlation between DUOL and IBDT 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 | 0.07 |
Correlation (All Time) Calculated using the full available price history since Jul 28, 2021 | 0.10 |
The correlation between DUOL and IBDT shifts across timeframes, from -0.08 (1 year) to 0.10 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
DUOL vs. IBDT — Risk / Return Rank
DUOL
IBDT
DUOL vs. IBDT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Duolingo, Inc. (DUOL) and iShares iBonds Dec 2028 Term Corporate ETF (IBDT). 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 | IBDT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -3.65 | ||
| Sortino ratioReturn per unit of downside risk | -5.81 | ||
| Omega ratioGain probability vs. loss probability | 0.79 | 1.54 | -0.75 |
| Calmar ratioReturn relative to maximum drawdown | -0.86 | 4.03 | -4.89 |
| Martin ratioReturn relative to average drawdown | -1.18 | 18.58 | -19.76 |
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Drawdowns
DUOL vs. IBDT - Drawdown Comparison
The maximum DUOL drawdown since its inception was -83.35%, which is greater than IBDT's maximum drawdown of -17.79%. Use the drawdown chart below to compare losses from any high point for DUOL and IBDT.
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Drawdown Indicators
| DUOL | IBDT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -83.35% | -17.79% | -65.56% |
Max Drawdown (1Y)Largest decline over 1 year | -76.96% | -1.03% | -75.93% |
Max Drawdown (3Y)Largest decline over 3 years | -83.35% | -3.11% | -80.24% |
Max Drawdown (5Y)Largest decline over 5 years | — | -17.68% | — |
Current DrawdownCurrent decline from peak | -76.26% | -0.12% | -76.14% |
Average DrawdownAverage peak-to-trough decline | -36.42% | -4.10% | -32.32% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 55.86% | 0.22% | +55.64% |
Volatility
DUOL vs. IBDT - Volatility Comparison
Duolingo, Inc. (DUOL) has a higher volatility of 17.55% compared to iShares iBonds Dec 2028 Term Corporate ETF (IBDT) at 0.43%. This indicates that DUOL's price experiences larger fluctuations and is considered to be riskier than IBDT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DUOL | IBDT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 17.55% | 0.43% | +17.12% |
Volatility (6M)Calculated over the trailing 6-month period | 43.35% | 1.12% | +42.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 64.37% | 1.58% | +62.79% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 66.12% | 5.04% | +61.08% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 66.12% | 6.33% | +59.79% |
Dividends
DUOL vs. IBDT - Dividend Comparison
DUOL has not paid dividends to shareholders, while IBDT's dividend yield for the trailing twelve months is around 4.52%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
DUOL Duolingo, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IBDT iShares iBonds Dec 2028 Term Corporate ETF | 4.52% | 4.56% | 4.67% | 4.10% | 3.25% | 2.45% | 2.80% | 3.32% | 1.47% |
Frequently Asked Questions
DUOL and IBDT 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 (17.55%) compared to IBDT (0.43%). In terms of maximum drawdown, DUOL dropped -83.35% vs IBDT's -17.79%.
IBDT currently has the higher Sharpe Ratio (2.62 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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