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Thornburg Strategic Municipal Income Fund (TSSIX)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

ISIN
US8852163091
CUSIP
885216309
Issuer
Thornburg
Inception Date
Mar 31, 2009
Min. Investment
$2,500,000
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in Thornburg Strategic Municipal Income Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.


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S&P 500 Index

Returns By Period

Thornburg Strategic Municipal Income Fund (TSSIX) has returned -0.52% so far this year and 3.66% over the past 12 months. Over the last ten years, TSSIX has returned 2.04% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.


Thornburg Strategic Municipal Income Fund

1D
0.14%
1M
-2.32%
YTD
-0.52%
6M
0.57%
1Y
3.66%
3Y*
4.01%
5Y*
1.35%
10Y*
2.04%

Benchmark (S&P 500 Index)

1D
2.91%
1M
-5.09%
YTD
-4.63%
6M
-2.39%
1Y
16.33%
3Y*
16.69%
5Y*
10.18%
10Y*
12.16%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since Apr 1, 2009, TSSIX's average daily return is +0.02%, while the average monthly return is +0.34%. At this rate, your investment would double in approximately 17.0 years.

Historically, 67% of months were positive and 33% were negative. The best month was Sep 2009 with a return of +6.0%, while the worst month was Mar 2020 at -4.2%. The longest winning streak lasted 13 consecutive months, and the longest losing streak was 4 months.

On a daily basis, TSSIX closed higher 37% of trading days. The best single day was Mar 25, 2020 with a return of +3.0%, while the worst single day was Mar 19, 2020 at -2.5%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.63%1.20%-2.32%-0.52%
20250.85%1.28%-0.78%-0.20%0.12%0.48%-0.31%0.72%2.24%0.98%0.20%-0.08%5.62%
2024-0.26%0.39%0.60%-0.89%0.10%1.32%1.03%0.81%0.81%-1.09%1.63%-0.70%3.77%
20232.30%-1.64%1.59%-0.29%-0.64%0.80%0.44%-0.93%-2.17%-1.12%5.23%2.04%5.51%
2022-2.30%-0.42%-2.90%-2.35%0.93%-1.40%2.01%-1.59%-3.51%-0.93%3.72%0.34%-8.30%
20210.77%-1.09%0.44%0.63%0.30%0.30%0.62%-0.22%-0.53%-0.48%0.76%0.03%1.50%

Benchmark Metrics

Thornburg Strategic Municipal Income Fund has an annualized alpha of 4.17%, beta of 0.00, and R² of 0.00 versus S&P 500 Index. Calculated based on daily prices since April 02, 2009.

  • This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (14.17%) than losses (3.48%) — typical of diversified or defensive assets.
  • Beta of 0.00 may look defensive, but with R² of 0.00 this fund is largely uncorrelated with S&P 500 Index — low beta reflects independence, not downside protection. See the Volatility section for a true picture of this fund's risk.
  • R² of 0.00 means this fund moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

Alpha
4.17%
Beta
0.00
0.00
Upside Capture
14.17%
Downside Capture
3.48%

Expense Ratio

TSSIX has an expense ratio of 0.59%, placing it in the medium range.


Return for Risk

Risk / Return Rank

TSSIX ranks 45 for risk / return — on par with similar mutual funds. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.


TSSIX Risk / Return Rank: 4545
Overall Rank
TSSIX Sharpe Ratio Rank: 4040
Sharpe Ratio Rank
TSSIX Sortino Ratio Rank: 3636
Sortino Ratio Rank
TSSIX Omega Ratio Rank: 7676
Omega Ratio Rank
TSSIX Calmar Ratio Rank: 3737
Calmar Ratio Rank
TSSIX Martin Ratio Rank: 3838
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for Thornburg Strategic Municipal Income Fund (TSSIX) and compare them to a chosen benchmark (S&P 500 Index).


TSSIXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.88

0.90

-0.02

Sortino ratio

Return per unit of downside risk

1.24

1.39

-0.15

Omega ratio

Gain probability vs. loss probability

1.29

1.21

+0.08

Calmar ratio

Return relative to maximum drawdown

1.01

1.40

-0.39

Martin ratio

Return relative to average drawdown

4.17

6.61

-2.44

Explore TSSIX risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

Dividends

Dividend History

Thornburg Strategic Municipal Income Fund provided a 4.11% dividend yield over the last twelve months, with an annual payout of $0.57 per share. The fund has been increasing its distributions for 4 consecutive years.


2.00%2.50%3.00%3.50%4.00%4.50%5.00%5.50%$0.00$0.20$0.40$0.60$0.8020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.57$0.74$0.62$0.41$0.34$0.32$0.40$0.45$0.41$0.40$0.36$0.40

Dividend yield

4.11%5.27%4.42%2.86%2.48%2.08%2.61%2.95%2.76%2.65%2.40%2.63%

Monthly Dividends

The table displays the monthly dividend distributions for Thornburg Strategic Municipal Income Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.05$0.05$0.00$0.10
2025$0.09$0.09$0.09$0.09$0.05$0.05$0.05$0.05$0.05$0.05$0.05$0.05$0.74
2024$0.04$0.04$0.04$0.04$0.04$0.04$0.05$0.05$0.04$0.04$0.09$0.09$0.62
2023$0.04$0.04$0.04$0.00$0.04$0.04$0.04$0.04$0.04$0.00$0.04$0.04$0.41
2022$0.02$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.00$0.04$0.04$0.04$0.34
2021$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.32

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the Thornburg Strategic Municipal Income Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Thornburg Strategic Municipal Income Fund was 12.64%, occurring on Oct 26, 2022. Recovery took 483 trading sessions.

The current Thornburg Strategic Municipal Income Fund drawdown is 2.32%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-12.64%Aug 6, 2021309Oct 26, 2022483Sep 30, 2024792
-10.38%Mar 10, 20209Mar 20, 2020175Nov 27, 2020184
-8.48%Oct 15, 201065Jan 18, 2011134Jul 29, 2011199
-6.65%May 3, 201387Sep 5, 2013154Apr 16, 2014241
-5.09%Jul 7, 2016104Dec 1, 2016255Dec 6, 2017359

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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