IBDT vs. DUOL
IBDT (iShares iBonds Dec 2028 Term Corporate ETF) is Corporate Bonds fund tracking the Bloomberg December 2028 Maturity Corporate Index, while DUOL (Duolingo, Inc.) is a stock. Over the past 5 years, IBDT returned 1.07%/yr vs -0.79%/yr for DUOL. Their 0.10 correlation means their historical movements had little consistent relationship.
Performance
IBDT vs. DUOL - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, IBDT achieves a 1.18% return, which is significantly higher than DUOL's -23.19% return.
IBDT
- 1D
- -0.06%
- 1M
- 0.02%
- 6M
- 0.85%
- YTD
- 1.18%
- 1Y
- 3.43%
- 3Y*
- 5.62%
- 5Y*
- 1.07%
- 10Y*
- —
- ALL TIME*
- 3.89%
DUOL
- 1D
- 0.91%
- 1M
- 7.20%
- 6M
- 0.56%
- YTD
- -23.19%
- 1Y
- -60.23%
- 3Y*
- -3.98%
- 5Y*
- -0.79%
- 10Y*
- —
- ALL TIME*
- -0.95%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
DUOL Duolingo, Inc. | $135.82M | $130.76M | $177.13M |
| $16.99M | $16.78M | $15.59M |
IBDT vs. DUOL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
IBDT iShares iBonds Dec 2028 Term Corporate ETF | 1.18% | 7.02% | 3.97% | 7.72% | -11.42% | -1.92% |
DUOL Duolingo, Inc. | -23.19% | -45.87% | 42.93% | 218.92% | -32.97% | -24.96% |
Correlation
The correlation between IBDT and DUOL is -0.05, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.05 |
Correlation (3Y) Balances recent behavior with more history. | 0.05 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.10 |
Correlation (All Time) Calculated using the full available price history since Jul 28, 2021 | 0.10 |
The correlation between IBDT and DUOL shifts across timeframes, from -0.05 (1 year) to 0.10 (all time), reflecting how their relationship changes across market environments.
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
IBDT vs. DUOL — Risk / Return Rank
IBDT
DUOL
IBDT vs. DUOL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2028 Term Corporate ETF (IBDT) 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.
| IBDT | DUOL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +3.43 | ||
| Sortino ratioReturn per unit of downside risk | +5.34 | ||
| Omega ratioGain probability vs. loss probability | 1.51 | 0.83 | +0.69 |
| Calmar ratioReturn relative to maximum drawdown | 3.85 | -0.80 | +4.64 |
| Martin ratioReturn relative to average drawdown | 17.60 | -1.06 | +18.66 |
Loading charts...
Drawdowns
IBDT vs. DUOL - Drawdown Comparison
The maximum IBDT drawdown since its inception was -17.79%, smaller than the maximum DUOL drawdown of -83.35%. Use the drawdown chart below to compare losses from any high point for IBDT and DUOL.
Loading charts...
Drawdown Indicators
| IBDT | DUOL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.79% | -83.35% | +65.56% |
Max Drawdown (1Y)Largest decline over 1 year | -1.03% | -76.96% | +75.93% |
Max Drawdown (3Y)Largest decline over 3 years | -2.94% | -83.35% | +80.41% |
Max Drawdown (5Y)Largest decline over 5 years | -17.61% | -83.35% | +65.74% |
Current DrawdownCurrent decline from peak | -0.06% | -75.07% | +75.01% |
Average DrawdownAverage peak-to-trough decline | -4.08% | -36.82% | +32.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.22% | 57.85% | -57.63% |
Volatility
IBDT vs. DUOL - Volatility Comparison
The current volatility for iShares iBonds Dec 2028 Term Corporate ETF (IBDT) is 0.44%, while Duolingo, Inc. (DUOL) has a volatility of 18.21%. This indicates that IBDT 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
| IBDT | DUOL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.44% | 18.21% | -17.77% |
Volatility (6M)Calculated over the trailing 6-month period | 1.15% | 43.82% | -42.67% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.59% | 65.41% | -63.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.03% | 66.14% | -61.11% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.31% | 66.11% | -59.80% |
Dividends
IBDT vs. DUOL - Dividend Comparison
IBDT's dividend yield for the trailing twelve months is around 4.52%, while DUOL has not paid dividends to shareholders.
| 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 | 4.14% | 4.56% | 4.67% | 4.10% | 3.25% | 2.45% | 2.80% | 3.32% | 1.47% |
Frequently Asked Questions
IBDT and DUOL have a correlation of -0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
DUOL has higher volatility (18.21%) compared to IBDT (0.44%). In terms of maximum drawdown, IBDT dropped -17.79% vs DUOL's -83.35%.
IBDT currently has the higher Sharpe Ratio (2.50 vs -0.94), 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 IBDT 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