PSDYX vs. PDINX

Last updated Jun 5, 2026

PSDYX (Putnam Ultra Short Duration Income Fund) and PDINX (Putnam Diversified Income Trust) are both mutual funds - PSDYX is a Ultrashort Bond fund managed by Putnam, while PDINX is a Nontraditional Bonds fund managed by Putnam. Over the past 10 years, PSDYX returned 2.53%/yr vs 3.17%/yr for PDINX. At a 0.12 correlation, their price movements are largely independent. PSDYX charges 0.30%/yr vs 1.01%/yr for PDINX.

Performance

PSDYX vs. PDINX - Performance Comparison

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

Returns By Period

The year-to-date returns for both investments are quite close, with PSDYX having a 1.43% return and PDINX slightly higher at 1.50%. Over the past 10 years, PSDYX has underperformed PDINX with an annualized return of 2.53%, while PDINX has yielded a comparatively higher 3.17% annualized return.

PSDYX

• 1D: 0.00%
• 1M: 0.35%
• YTD: 1.43%
• 6M: 1.82%
• 1Y: 4.39%
• 3Y*: 4.87%
• 5Y*: 3.37%
• 10Y*: 2.53%

PDINX

• 1D: -0.20%
• 1M: 0.20%
• YTD: 1.50%
• 6M: 0.50%
• 1Y: 4.66%
• 3Y*: 6.47%
• 5Y*: 1.52%
• 10Y*: 3.17%

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

PSDYX vs. PDINX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
PDINX Putnam Diversified Income Trust	1.50%	7.48%	5.92%	4.55%	-4.00%	-6.94%	-0.25%	12.27%	-1.38%	6.53%

Correlation

The correlation between PSDYX and PDINX is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.38
Correlation (3Y) Calculated over the trailing 3-year period	0.35
Correlation (5Y) Calculated over the trailing 5-year period	0.26
Correlation (10Y) Calculated over the trailing 10-year period	0.17
Correlation (All Time) Calculated using the full available price history since Aug 6, 2012	0.12

Over the past year, PSDYX and PDINX have become more correlated (0.38) than their long-term average of 0.12, meaning their price movements have been converging.

Return for Risk

PSDYX vs. PDINX — Risk / Return Rank

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

PSDYX

PSDYX Risk / Return Rank: 98
PSDYX Sharpe Ratio Rank: 93
PSDYX Sortino Ratio Rank: 99
PSDYX Omega Ratio Rank: 99
PSDYX Calmar Ratio Rank: 98
PSDYX Martin Ratio Rank: 99

PDINX

PDINX Risk / Return Rank: 44
PDINX Sharpe Ratio Rank: 38
PDINX Sortino Ratio Rank: 40
PDINX Omega Ratio Rank: 47
PDINX Calmar Ratio Rank: 48
PDINX Martin Ratio Rank: 48

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.

PSDYX vs. PDINX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Putnam Ultra Short Duration Income Fund (PSDYX) and Putnam Diversified Income Trust (PDINX). 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.

	PSDYX	PDINX	Difference
Sharpe ratio: Return per unit of total volatility	3.18	1.74	+1.44
Sortino ratio: Return per unit of downside risk	10.05	2.57	+7.49
Omega ratio: Gain probability vs. loss probability	3.30	1.36	+1.94
Calmar ratio: Return relative to maximum drawdown	8.96	2.61	+6.35
Martin ratio: Return relative to average drawdown	44.19	9.74	+34.46
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PSDYX vs. PDINX - Sharpe Ratio Comparison

The current PSDYX Sharpe Ratio is 3.18, which is higher than the PDINX Sharpe Ratio of 1.74. The chart below compares the historical Sharpe Ratios of PSDYX and PDINX, 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

	PSDYX	PDINX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.18	1.74	+1.44
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	2.61	0.19	+2.42
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	2.41	0.48	+1.93
Sharpe Ratio (All Time) Calculated using the full available price history	2.19	0.89	+1.29

Drawdowns

PSDYX vs. PDINX - Drawdown Comparison

The maximum PSDYX drawdown since its inception was -2.58%, smaller than the maximum PDINX drawdown of -43.44%. Use the drawdown chart below to compare losses from any high point for PSDYX and PDINX.

Drawdown Indicators

	PSDYX	PDINX	Difference
Max Drawdown Largest peak-to-trough decline	-2.58%	-43.44%	+40.86%
Max Drawdown (1Y) Largest decline over 1 year	-0.49%	-1.96%	+1.47%
Max Drawdown (3Y) Largest decline over 3 years	-0.49%	-11.25%	+10.76%
Max Drawdown (5Y) Largest decline over 5 years	-0.80%	-14.30%	+13.50%
Max Drawdown (10Y) Largest decline over 10 years	-2.58%	-18.27%	+15.69%
Current Drawdown Current decline from peak	0.00%	-2.59%	+2.59%
Average Drawdown Average peak-to-trough decline	-0.07%	-3.55%	+3.48%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.10%	0.52%	-0.42%

Volatility

PSDYX vs. PDINX - Volatility Comparison

The current volatility for Putnam Ultra Short Duration Income Fund (PSDYX) is 0.38%, while Putnam Diversified Income Trust (PDINX) has a volatility of 1.19%. This indicates that PSDYX experiences smaller price fluctuations and is considered to be less risky than PDINX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PSDYX	PDINX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.38%	1.19%	-0.81%
Volatility (6M) Calculated over the trailing 6-month period	0.93%	2.31%	-1.38%
Volatility (1Y) Calculated over the trailing 1-year period	1.39%	2.94%	-1.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.30%	8.09%	-6.79%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.06%	6.69%	-5.63%

PSDYX vs. PDINX - Expense Ratio Comparison

PSDYX has a 0.30% expense ratio, which is lower than PDINX's 1.01% expense ratio.

Dividends

PSDYX vs. PDINX - Dividend Comparison

PSDYX's dividend yield for the trailing twelve months is around 4.40%, more than PDINX's 3.97% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PDINX Putnam Diversified Income Trust	3.97%	5.17%	18.88%	6.35%	4.59%	3.71%	3.75%	4.17%	5.35%	5.61%	5.35%	4.89%
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 PSDYX and PDINX in my portfolio?

PSDYX and PDINX have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PSDYX or PDINX?

PDINX has higher volatility (1.19%) compared to PSDYX (0.38%). In terms of maximum drawdown, PSDYX dropped -2.58% vs PDINX's -43.44%.

Which has better risk-adjusted returns?

PSDYX currently has the higher Sharpe Ratio (3.18 vs 1.74), 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.