FTSM vs. PSDYX

Last updated Jun 24, 2026

FTSM (First Trust Enhanced Short Maturity ETF) and PSDYX (Putnam Ultra Short Duration Income Fund) are both Ultrashort Bond funds. Over the past 10 years, FTSM returned 2.57%/yr vs 2.53%/yr for PSDYX. At a 0.19 correlation, their price movements are largely independent. FTSM charges 0.44%/yr vs 0.30%/yr for PSDYX.

Performance

FTSM vs. PSDYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in First Trust Enhanced Short Maturity ETF (FTSM) and Putnam Ultra Short Duration Income Fund (PSDYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FTSM achieves a 1.61% return, which is significantly higher than PSDYX's 1.43% return. Both investments have delivered pretty close results over the past 10 years, with FTSM having a 2.57% annualized return and PSDYX not far behind at 2.53%.

FTSM

• 1D: 0.02%
• 1M: 0.23%
• YTD: 1.61%
• 6M: 1.74%
• 1Y: 4.03%
• 3Y*: 4.84%
• 5Y*: 3.49%
• 10Y*: 2.57%

PSDYX

• 1D: 0.00%
• 1M: 0.35%
• YTD: 1.43%
• 6M: 1.82%
• 1Y: 4.39%
• 3Y*: 4.87%
• 5Y*: 3.39%
• 10Y*: 2.53%

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

FTSM vs. PSDYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FTSM First Trust Enhanced Short Maturity ETF	1.61%	4.66%	5.22%	5.12%	1.02%	-0.01%	1.12%	2.82%	1.94%	1.57%
PSDYX Putnam Ultra Short Duration Income Fund	1.43%	4.99%	5.25%	4.78%	0.61%	0.07%	1.50%	2.86%	1.95%	1.40%

Correlation

The correlation between FTSM and PSDYX is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.33
Correlation (3Y) Calculated over the trailing 3-year period	0.33
Correlation (5Y) Calculated over the trailing 5-year period	0.29
Correlation (10Y) Calculated over the trailing 10-year period	0.21
Correlation (All Time) Calculated using the full available price history since Aug 6, 2014	0.19

The correlation between FTSM and PSDYX shifts across timeframes, from 0.19 (all time) to 0.33 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

FTSM vs. PSDYX — Risk / Return Rank

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

FTSM

FTSM Risk / Return Rank: 99
FTSM Sharpe Ratio Rank: 99
FTSM Sortino Ratio Rank: 99
FTSM Omega Ratio Rank: 99
FTSM Calmar Ratio Rank: 99
FTSM Martin Ratio Rank: 99

PSDYX

PSDYX Risk / Return Rank: 98
PSDYX Sharpe Ratio Rank: 96
PSDYX Sortino Ratio Rank: 99
PSDYX Omega Ratio Rank: 99
PSDYX Calmar Ratio Rank: 98
PSDYX Martin Ratio Rank: 99

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.

FTSM vs. PSDYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust Enhanced Short Maturity ETF (FTSM) and Putnam Ultra Short Duration Income Fund (PSDYX). 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.

	FTSM	PSDYX	Difference
Sharpe ratio: Return per unit of total volatility	8.41	3.20	+5.21
Sortino ratio: Return per unit of downside risk	19.24	10.33	+8.92
Omega ratio: Gain probability vs. loss probability	4.11	3.43	+0.68
Calmar ratio: Return relative to maximum drawdown	34.69	8.96	+25.72
Martin ratio: Return relative to average drawdown	170.58	44.28	+126.30

FTSM vs. PSDYX - Sharpe Ratio Comparison

The current FTSM Sharpe Ratio is 8.41, which is higher than the PSDYX Sharpe Ratio of 3.20. The chart below compares the historical Sharpe Ratios of FTSM and PSDYX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

FTSM vs. PSDYX - Drawdown Comparison

The maximum FTSM drawdown since its inception was -4.12%, which is greater than PSDYX's maximum drawdown of -2.58%. Use the drawdown chart below to compare losses from any high point for FTSM and PSDYX.

Drawdown Indicators

	FTSM	PSDYX	Difference
Max Drawdown Largest peak-to-trough decline	-4.12%	-2.58%	-1.54%
Max Drawdown (1Y) Largest decline over 1 year	-0.12%	-0.49%	+0.37%
Max Drawdown (3Y) Largest decline over 3 years	-0.15%	-0.49%	+0.34%
Max Drawdown (5Y) Largest decline over 5 years	-0.65%	-0.80%	+0.15%
Max Drawdown (10Y) Largest decline over 10 years	-4.12%	-2.58%	-1.54%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-0.22%	-0.07%	-0.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.02%	0.10%	-0.08%

Volatility

FTSM vs. PSDYX - Volatility Comparison

The current volatility for First Trust Enhanced Short Maturity ETF (FTSM) is 0.17%, while Putnam Ultra Short Duration Income Fund (PSDYX) has a volatility of 0.35%. This indicates that FTSM experiences smaller price fluctuations and is considered to be less risky than PSDYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FTSM	PSDYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.17%	0.35%	-0.18%
Volatility (6M) Calculated over the trailing 6-month period	0.37%	0.93%	-0.56%
Volatility (1Y) Calculated over the trailing 1-year period	0.48%	1.38%	-0.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.50%	1.30%	-0.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.88%	1.06%	-0.18%

FTSM vs. PSDYX - Expense Ratio Comparison

FTSM has a 0.44% expense ratio, which is higher than PSDYX's 0.30% expense ratio.

Dividends

FTSM vs. PSDYX - Dividend Comparison

FTSM's dividend yield for the trailing twelve months is around 4.15%, less than PSDYX's 4.40% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FTSM First Trust Enhanced Short Maturity ETF	4.15%	4.28%	4.91%	4.62%	1.62%	0.39%	1.20%	2.38%	2.14%	1.49%	1.03%	0.48%
PSDYX Putnam Ultra Short Duration Income Fund	4.40%	4.65%	4.81%	3.65%	1.30%	0.37%	1.09%	2.51%	2.23%	1.29%	0.88%	0.57%

Frequently Asked Questions

Can I hold both FTSM and PSDYX in my portfolio?

FTSM and PSDYX have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FTSM or PSDYX?

PSDYX has higher volatility (0.35%) compared to FTSM (0.17%). In terms of maximum drawdown, FTSM dropped -4.12% vs PSDYX's -2.58%.

Which has better risk-adjusted returns?

FTSM currently has the higher Sharpe Ratio (8.41 vs 3.20), 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.