NEA vs. SPTL

Last updated Jun 9, 2026

NEA (Nuveen AMT-Free Quality Municipal Income Fund) is a stock, while SPTL (SPDR Portfolio Long Term Treasury ETF) is Government Bonds fund tracking the Bloomberg Long U.S. Treasury Index. Over the past 10 years, NEA returned 2.81%/yr vs -1.31%/yr for SPTL. At a 0.21 correlation, their price movements are largely independent. NEA charges 1.41%/yr vs 0.03%/yr for SPTL.

Performance

NEA vs. SPTL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nuveen AMT-Free Quality Municipal Income Fund (NEA) and SPDR Portfolio Long Term Treasury ETF (SPTL). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NEA achieves a 1.11% return, which is significantly higher than SPTL's -1.15% return. Over the past 10 years, NEA has outperformed SPTL with an annualized return of 2.81%, while SPTL has yielded a comparatively lower -1.31% annualized return.

NEA

• 1D: -0.70%
• 1M: -1.31%
• YTD: 1.11%
• 6M: 1.88%
• 1Y: 13.65%
• 3Y*: 8.73%
• 5Y*: -0.37%
• 10Y*: 2.81%

SPTL

• 1D: -0.43%
• 1M: -1.25%
• YTD: -1.15%
• 6M: -1.22%
• 1Y: 4.16%
• 3Y*: -0.92%
• 5Y*: -5.68%
• 10Y*: -1.31%

*Multi-year figures are annualized to reflect compound growth (CAGR)

NEA vs. SPTL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NEA Nuveen AMT-Free Quality Municipal Income Fund	1.11%	11.31%	9.50%	0.75%	-23.32%	8.16%	10.07%	22.42%	-5.72%	8.77%
SPTL SPDR Portfolio Long Term Treasury ETF	-1.15%	5.28%	-6.23%	3.30%	-29.44%	-4.99%	18.07%	13.74%	-1.57%	9.01%

Correlation

The correlation between NEA and SPTL is 0.36, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.36
Correlation (3Y) Calculated over the trailing 3-year period	0.51
Correlation (5Y) Calculated over the trailing 5-year period	0.44
Correlation (10Y) Calculated over the trailing 10-year period	0.37
Correlation (All Time) Calculated using the full available price history since May 31, 2007	0.21

The correlation between NEA and SPTL shifts across timeframes, from 0.21 (all time) to 0.51 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

NEA vs. SPTL — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

NEA

NEA Risk / Return Rank: 77
NEA Sharpe Ratio Rank: 79
NEA Sortino Ratio Rank: 75
NEA Omega Ratio Rank: 75
NEA Calmar Ratio Rank: 74
NEA Martin Ratio Rank: 83

SPTL

SPTL Risk / Return Rank: 17
SPTL Sharpe Ratio Rank: 17
SPTL Sortino Ratio Rank: 16
SPTL Omega Ratio Rank: 16
SPTL Calmar Ratio Rank: 17
SPTL Martin Ratio Rank: 17

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.

NEA vs. SPTL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nuveen AMT-Free Quality Municipal Income Fund (NEA) and SPDR Portfolio Long Term Treasury ETF (SPTL). 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.

	NEA	SPTL	Difference
Sharpe ratio: Return per unit of total volatility	1.29	0.48	+0.81
Sortino ratio: Return per unit of downside risk	1.94	0.74	+1.20
Omega ratio: Gain probability vs. loss probability	1.26	1.08	+0.17
Calmar ratio: Return relative to maximum drawdown	1.88	0.59	+1.29
Martin ratio: Return relative to average drawdown	7.51	1.52	+5.98
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NEA vs. SPTL - Sharpe Ratio Comparison

The current NEA Sharpe Ratio is 1.29, which is higher than the SPTL Sharpe Ratio of 0.48. The chart below compares the historical Sharpe Ratios of NEA and SPTL, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	NEA	SPTL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.29	0.48	+0.81
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.03	-0.39	+0.36
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.24	-0.09	+0.33
Sharpe Ratio (All Time) Calculated using the full available price history	0.31	0.24	+0.08

Drawdowns

NEA vs. SPTL - Drawdown Comparison

The maximum NEA drawdown since its inception was -43.83%, smaller than the maximum SPTL drawdown of -46.20%. Use the drawdown chart below to compare losses from any high point for NEA and SPTL.

Drawdown Indicators

	NEA	SPTL	Difference
Max Drawdown Largest peak-to-trough decline	-43.83%	-46.20%	+2.37%
Max Drawdown (1Y) Largest decline over 1 year	-7.27%	-7.04%	-0.23%
Max Drawdown (3Y) Largest decline over 3 years	-15.16%	-17.55%	+2.39%
Max Drawdown (5Y) Largest decline over 5 years	-36.57%	-41.02%	+4.45%
Max Drawdown (10Y) Largest decline over 10 years	-36.57%	-46.20%	+9.63%
Current Drawdown Current decline from peak	-5.99%	-37.36%	+31.37%
Average Drawdown Average peak-to-trough decline	-8.01%	-14.26%	+6.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.82%	2.74%	-0.92%

Volatility

NEA vs. SPTL - Volatility Comparison

Nuveen AMT-Free Quality Municipal Income Fund (NEA) has a higher volatility of 2.94% compared to SPDR Portfolio Long Term Treasury ETF (SPTL) at 2.53%. This indicates that NEA's price experiences larger fluctuations and is considered to be riskier than SPTL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NEA	SPTL	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.94%	2.53%	+0.41%
Volatility (6M) Calculated over the trailing 6-month period	8.53%	5.99%	+2.54%
Volatility (1Y) Calculated over the trailing 1-year period	10.65%	8.76%	+1.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.49%	14.61%	-3.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.81%	13.95%	-2.14%

NEA vs. SPTL - Expense Ratio Comparison

NEA has a 1.41% expense ratio, which is higher than SPTL's 0.03% expense ratio.

Dividends

NEA vs. SPTL - Dividend Comparison

NEA's dividend yield for the trailing twelve months is around 7.28%, more than SPTL's 4.25% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NEA Nuveen AMT-Free Quality Municipal Income Fund	7.28%	7.36%	6.63%	3.95%	5.49%	4.50%	4.45%	4.46%	5.40%	5.33%	5.70%	5.71%
SPTL SPDR Portfolio Long Term Treasury ETF	4.25%	4.12%	4.03%	3.24%	2.75%	1.68%	1.71%	2.45%	2.69%	2.53%	2.56%	2.60%

Frequently Asked Questions

Can I hold both NEA and SPTL in my portfolio?

NEA and SPTL have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NEA or SPTL?

NEA has higher volatility (2.94%) compared to SPTL (2.53%). In terms of maximum drawdown, NEA dropped -43.83% vs SPTL's -46.20%.

Which has better risk-adjusted returns?

NEA currently has the higher Sharpe Ratio (1.29 vs 0.48), 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.