VMLTX vs. AITFX
VMLTX (Vanguard Limited-Term Tax-Exempt Fund Investor Shares) and AITFX (Invesco Limited Term Municipal Income Fund) are both Municipal Bonds funds. Over the past 10 years, VMLTX returned 2.01%/yr vs 2.00%/yr for AITFX. Their 0.66 correlation means they have sometimes moved together and sometimes differently. VMLTX charges 0.17%/yr vs 0.33%/yr for AITFX.
Performance
VMLTX vs. AITFX - Performance Comparison
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Returns By Period
In the year-to-date period, VMLTX achieves a 0.63% return, which is significantly lower than AITFX's 0.81% return. Both investments have delivered pretty close results over the past 10 years, with VMLTX having a 2.01% annualized return and AITFX not far behind at 2.00%.
VMLTX
- 1D
- 0.00%
- 1M
- -0.73%
- 6M
- -0.07%
- YTD
- 0.63%
- 1Y
- 2.41%
- 3Y*
- 3.91%
- 5Y*
- 1.96%
- 10Y*
- 2.01%
- ALL TIME*
- 3.27%
AITFX
- 1D
- -0.18%
- 1M
- -1.00%
- 6M
- 0.14%
- YTD
- 0.81%
- 1Y
- 3.48%
- 3Y*
- 3.62%
- 5Y*
- 1.93%
- 10Y*
- 2.00%
- ALL TIME*
- 4.16%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
VMLTX vs. AITFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VMLTX Vanguard Limited-Term Tax-Exempt Fund Investor Shares | 0.63% | 5.39% | 3.14% | 4.19% | -2.98% | 0.83% | 3.30% | 4.11% | 1.56% | 2.02% |
AITFX Invesco Limited Term Municipal Income Fund | 0.81% | 5.47% | 2.88% | 3.67% | -2.62% | 0.57% | 3.73% | 4.35% | 1.13% | 2.69% |
Correlation
The correlation between VMLTX and AITFX is 0.71, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.71 |
Correlation (3Y) Balances recent behavior with more history. | 0.78 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.79 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.75 |
Correlation (All Time) Calculated using the full available price history since Jan 2, 1990 | 0.66 |
The correlation between VMLTX and AITFX shifts across timeframes, from 0.66 (all time) to 0.79 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
VMLTX vs. AITFX — Risk / Return Rank
VMLTX
AITFX
VMLTX vs. AITFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Limited-Term Tax-Exempt Fund Investor Shares (VMLTX) and Invesco Limited Term Municipal Income Fund (AITFX). 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.
| VMLTX | AITFX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.44 | ||
| Sortino ratioReturn per unit of downside risk | -0.84 | ||
| Omega ratioGain probability vs. loss probability | 1.54 | 1.67 | -0.13 |
| Calmar ratioReturn relative to maximum drawdown | 1.93 | 2.49 | -0.56 |
| Martin ratioReturn relative to average drawdown | 5.96 | 8.79 | -2.83 |
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Drawdowns
VMLTX vs. AITFX - Drawdown Comparison
The maximum VMLTX drawdown since its inception was -6.41%, smaller than the maximum AITFX drawdown of -7.17%. Use the drawdown chart below to compare losses from any high point for VMLTX and AITFX.
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Drawdown Indicators
| VMLTX | AITFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -6.41% | -7.17% | +0.76% |
Max Drawdown (1Y)Largest decline over 1 year | -1.53% | -1.62% | +0.09% |
Max Drawdown (3Y)Largest decline over 3 years | -2.02% | -2.28% | +0.26% |
Max Drawdown (5Y)Largest decline over 5 years | -5.69% | -5.62% | -0.07% |
Max Drawdown (10Y)Largest decline over 10 years | -6.41% | -7.17% | +0.76% |
Current DrawdownCurrent decline from peak | -0.77% | -1.00% | +0.23% |
Average DrawdownAverage peak-to-trough decline | -0.48% | -0.73% | +0.25% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.49% | 0.46% | +0.03% |
Volatility
VMLTX vs. AITFX - Volatility Comparison
The current volatility for Vanguard Limited-Term Tax-Exempt Fund Investor Shares (VMLTX) is 0.47%, while Invesco Limited Term Municipal Income Fund (AITFX) has a volatility of 0.51%. This indicates that VMLTX experiences smaller price fluctuations and is considered to be less risky than AITFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VMLTX | AITFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.47% | 0.51% | -0.04% |
Volatility (6M)Calculated over the trailing 6-month period | 1.22% | 1.39% | -0.17% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.55% | 1.72% | -0.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.88% | 2.11% | -0.23% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.94% | 2.19% | -0.25% |
VMLTX vs. AITFX - Expense Ratio Comparison
VMLTX has a 0.17% expense ratio, which is lower than AITFX's 0.33% expense ratio.
Dividends
VMLTX vs. AITFX - Dividend Comparison
VMLTX's dividend yield for the trailing twelve months is around 2.86%, less than AITFX's 3.35% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AITFX Invesco Limited Term Municipal Income Fund | 3.35% | 4.82% | 3.93% | 2.67% | 1.80% | 1.44% | 2.07% | 2.48% | 2.28% | 1.95% | 1.93% | 2.51% |
VMLTX Vanguard Limited-Term Tax-Exempt Fund Investor Shares | 2.86% | 3.75% | 3.27% | 2.30% | 1.56% | 1.64% | 1.62% | 2.01% | 1.81% | 1.55% | 1.52% | 1.50% |
Frequently Asked Questions
VMLTX and AITFX have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AITFX has higher volatility (0.51%) compared to VMLTX (0.47%). In terms of maximum drawdown, VMLTX dropped -6.41% vs AITFX's -7.17%.
AITFX currently has the higher Sharpe Ratio (2.34 vs 1.90), 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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