FATRX vs. PGSIX

Last updated Jul 29, 2026

FATRX (Frost Total Return Bond Fund Investor Class) and PGSIX (Putnam Mortgage Securities Fund) are both Intermediate Core-Plus Bond funds. Over the past 10 years, FATRX returned 3.14%/yr vs 1.40%/yr for PGSIX. Their 0.53 correlation means they have sometimes moved together and sometimes differently. FATRX charges 0.71%/yr vs 0.89%/yr for PGSIX.

Performance

FATRX vs. PGSIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Frost Total Return Bond Fund Investor Class (FATRX) and Putnam Mortgage Securities Fund (PGSIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FATRX achieves a 0.56% return, which is significantly lower than PGSIX's 2.17% return. Over the past 10 years, FATRX has outperformed PGSIX with an annualized return of 3.14%, while PGSIX has yielded a comparatively lower 1.40% annualized return.

FATRX

• 1D: 0.32%
• 1M: -1.02%
• 6M: 0.15%
• YTD: 0.56%
• 1Y: 3.45%
• 3Y*: 5.70%
• 5Y*: 3.02%
• 10Y*: 3.14%
• ALL TIME*: 4.51%

PGSIX

• 1D: 0.25%
• 1M: -1.24%
• 6M: 1.66%
• YTD: 2.17%
• 1Y: 7.32%
• 3Y*: 6.12%
• 5Y*: 0.81%
• 10Y*: 1.40%
• ALL TIME*: 3.85%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
FATRX Frost Total Return Bond Fund Investor Class	$0.00	$0.00	$0.00
PGSIX Putnam Mortgage Securities Fund	$0.00	$0.00	$0.00

FATRX vs. PGSIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FATRX Frost Total Return Bond Fund Investor Class	0.56%	5.53%	6.17%	8.41%	-5.45%	3.10%	3.24%	5.10%	1.23%	4.18%
PGSIX Putnam Mortgage Securities Fund	2.17%	9.36%	3.52%	3.66%	-10.79%	-4.31%	-0.73%	12.39%	-0.79%	0.82%

Correlation

The correlation between FATRX and PGSIX is 0.74, 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.	0.74
Correlation (3Y) Balances recent behavior with more history.	0.81
Correlation (5Y) Shows whether the relationship held over a longer period.	0.78
Correlation (10Y) Provides a long-term view across more market conditions.	0.64
Correlation (All Time) Calculated using the full available price history since Jul 1, 2008	0.53

Over the past year, FATRX and PGSIX have become more correlated (0.74) than their long-term average of 0.53, meaning their price movements have been converging.

Return for Risk

FATRX vs. PGSIX — Risk / Return Rank

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

FATRX

FATRX Risk / Return Rank: 32
FATRX Sharpe Ratio Rank: 32
FATRX Sortino Ratio Rank: 32
FATRX Omega Ratio Rank: 30
FATRX Calmar Ratio Rank: 37
FATRX Martin Ratio Rank: 29

PGSIX

PGSIX Risk / Return Rank: 61
PGSIX Sharpe Ratio Rank: 54
PGSIX Sortino Ratio Rank: 60
PGSIX Omega Ratio Rank: 52
PGSIX Calmar Ratio Rank: 76
PGSIX Martin Ratio Rank: 64

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.

FATRX vs. PGSIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Frost Total Return Bond Fund Investor Class (FATRX) and Putnam Mortgage Securities Fund (PGSIX). 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.

	FATRX	PGSIX	Difference
Sharpe ratio: Return per unit of total volatility	1.04	1.41	-0.37
Sortino ratio: Return per unit of downside risk	1.53	2.14	-0.60
Omega ratio: Gain probability vs. loss probability	1.18	1.26	-0.07
Calmar ratio: Return relative to maximum drawdown	1.57	2.47	-0.91
Martin ratio: Return relative to average drawdown	4.26	8.25	-3.99

FATRX vs. PGSIX - Sharpe Ratio Comparison

The current FATRX Sharpe Ratio is 1.04, which is comparable to the PGSIX Sharpe Ratio of 1.41. The chart below compares the historical Sharpe Ratios of FATRX and PGSIX, 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

FATRX vs. PGSIX - Drawdown Comparison

The maximum FATRX drawdown since its inception was -11.61%, smaller than the maximum PGSIX drawdown of -22.28%. Use the drawdown chart below to compare losses from any high point for FATRX and PGSIX.

Drawdown Indicators

	FATRX	PGSIX	Difference
Max Drawdown Largest peak-to-trough decline	-11.61%	-22.28%	+10.67%
Max Drawdown (1Y) Largest decline over 1 year	-2.15%	-2.85%	+0.70%
Max Drawdown (3Y) Largest decline over 3 years	-3.59%	-6.67%	+3.08%
Max Drawdown (5Y) Largest decline over 5 years	-7.72%	-19.01%	+11.29%
Max Drawdown (10Y) Largest decline over 10 years	-11.61%	-22.28%	+10.67%
Current Drawdown Current decline from peak	-1.18%	-1.37%	+0.19%
Average Drawdown Average peak-to-trough decline	-1.06%	-2.60%	+1.54%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.79%	0.85%	-0.06%

Volatility

FATRX vs. PGSIX - Volatility Comparison

The current volatility for Frost Total Return Bond Fund Investor Class (FATRX) is 0.93%, while Putnam Mortgage Securities Fund (PGSIX) has a volatility of 1.32%. This indicates that FATRX experiences smaller price fluctuations and is considered to be less risky than PGSIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FATRX	PGSIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.93%	1.32%	-0.39%
Volatility (6M) Calculated over the trailing 6-month period	2.52%	3.57%	-1.05%
Volatility (1Y) Calculated over the trailing 1-year period	3.24%	5.02%	-1.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.73%	7.03%	-3.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.23%	5.97%	-2.74%

FATRX vs. PGSIX - Expense Ratio Comparison

FATRX has a 0.71% expense ratio, which is lower than PGSIX's 0.89% expense ratio.

Dividends

FATRX vs. PGSIX - Dividend Comparison

FATRX's dividend yield for the trailing twelve months is around 5.60%, more than PGSIX's 4.26% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FATRX Frost Total Return Bond Fund Investor Class	5.60%	5.31%	4.98%	5.31%	4.43%	3.06%	3.58%	3.53%	3.38%	3.44%	3.79%	3.89%
PGSIX Putnam Mortgage Securities Fund	4.26%	5.67%	16.88%	8.38%	12.83%	4.30%	4.21%	4.50%	3.94%	3.10%	2.92%	2.51%

Frequently Asked Questions

Can I hold both FATRX and PGSIX in my portfolio?

FATRX and PGSIX have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FATRX or PGSIX?

PGSIX has higher volatility (1.32%) compared to FATRX (0.93%). In terms of maximum drawdown, FATRX dropped -11.61% vs PGSIX's -22.28%.

Which has better risk-adjusted returns?

PGSIX currently has the higher Sharpe Ratio (1.41 vs 1.04), 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.