TPDAX vs. DIFIX

Last updated Jun 4, 2026

TPDAX (Timothy Plan Defensive Strategies Fund) and DIFIX (MFS Diversified Income Fund) are both Diversified Portfolio funds. Over the past 10 years, TPDAX returned 7.18%/yr vs 4.90%/yr for DIFIX. A 0.73 correlation means they provide meaningful diversification when combined. TPDAX charges 1.37%/yr vs 0.73%/yr for DIFIX.

Performance

TPDAX vs. DIFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Timothy Plan Defensive Strategies Fund (TPDAX) and MFS Diversified Income Fund (DIFIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TPDAX achieves a 10.96% return, which is significantly higher than DIFIX's 4.93% return. Over the past 10 years, TPDAX has outperformed DIFIX with an annualized return of 7.18%, while DIFIX has yielded a comparatively lower 4.90% annualized return.

TPDAX

• 1D: 0.48%
• 1M: -0.42%
• YTD: 10.96%
• 6M: 11.99%
• 1Y: 25.38%
• 3Y*: 15.44%
• 5Y*: 8.65%
• 10Y*: 7.18%

DIFIX

• 1D: 0.23%
• 1M: 1.06%
• YTD: 4.93%
• 6M: 5.25%
• 1Y: 11.71%
• 3Y*: 8.57%
• 5Y*: 3.27%
• 10Y*: 4.90%

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

TPDAX vs. DIFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TPDAX Timothy Plan Defensive Strategies Fund	10.96%	23.97%	5.29%	7.71%	-5.63%	12.15%	8.83%	13.77%	-7.24%	4.14%
DIFIX MFS Diversified Income Fund	4.93%	9.73%	4.60%	8.84%	-13.55%	9.26%	2.17%	17.69%	-3.41%	8.94%

Correlation

The correlation between TPDAX and DIFIX is 0.55, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.55
Correlation (3Y) Calculated over the trailing 3-year period	0.63
Correlation (5Y) Calculated over the trailing 5-year period	0.69
Correlation (10Y) Calculated over the trailing 10-year period	0.71
Correlation (All Time) Calculated using the full available price history since Nov 6, 2009	0.73

The correlation between TPDAX and DIFIX shifts across timeframes, from 0.55 (1 year) to 0.73 (all time), reflecting how their relationship changes across market environments.

Return for Risk

TPDAX vs. DIFIX — Risk / Return Rank

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

TPDAX

TPDAX Risk / Return Rank: 59
TPDAX Sharpe Ratio Rank: 60
TPDAX Sortino Ratio Rank: 48
TPDAX Omega Ratio Rank: 59
TPDAX Calmar Ratio Rank: 73
TPDAX Martin Ratio Rank: 58

DIFIX

DIFIX Risk / Return Rank: 61
DIFIX Sharpe Ratio Rank: 64
DIFIX Sortino Ratio Rank: 69
DIFIX Omega Ratio Rank: 67
DIFIX Calmar Ratio Rank: 47
DIFIX Martin Ratio Rank: 55

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.

TPDAX vs. DIFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Timothy Plan Defensive Strategies Fund (TPDAX) and MFS Diversified Income Fund (DIFIX). 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.

	TPDAX	DIFIX	Difference
Sharpe ratio: Return per unit of total volatility	2.28	2.36	-0.08
Sortino ratio: Return per unit of downside risk	2.92	3.47	-0.55
Omega ratio: Gain probability vs. loss probability	1.43	1.46	-0.04
Calmar ratio: Return relative to maximum drawdown	3.34	2.62	+0.72
Martin ratio: Return relative to average drawdown	11.51	11.21	+0.29
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TPDAX vs. DIFIX - Sharpe Ratio Comparison

The current TPDAX Sharpe Ratio is 2.28, which is comparable to the DIFIX Sharpe Ratio of 2.36. The chart below compares the historical Sharpe Ratios of TPDAX and DIFIX, 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

	TPDAX	DIFIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.28	2.36	-0.08
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.85	0.48	+0.37
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.73	0.65	+0.07
Sharpe Ratio (All Time) Calculated using the full available price history	0.60	0.66	-0.06

Drawdowns

TPDAX vs. DIFIX - Drawdown Comparison

The maximum TPDAX drawdown since its inception was -22.29%, smaller than the maximum DIFIX drawdown of -35.04%. Use the drawdown chart below to compare losses from any high point for TPDAX and DIFIX.

Drawdown Indicators

	TPDAX	DIFIX	Difference
Max Drawdown Largest peak-to-trough decline	-22.29%	-35.04%	+12.75%
Max Drawdown (1Y) Largest decline over 1 year	-7.58%	-4.48%	-3.10%
Max Drawdown (3Y) Largest decline over 3 years	-7.58%	-7.29%	-0.29%
Max Drawdown (5Y) Largest decline over 5 years	-17.58%	-19.70%	+2.12%
Max Drawdown (10Y) Largest decline over 10 years	-22.29%	-23.69%	+1.40%
Current Drawdown Current decline from peak	-3.53%	-0.04%	-3.49%
Average Drawdown Average peak-to-trough decline	-4.92%	-3.86%	-1.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.20%	1.05%	+1.15%

Volatility

TPDAX vs. DIFIX - Volatility Comparison

Timothy Plan Defensive Strategies Fund (TPDAX) has a higher volatility of 2.91% compared to MFS Diversified Income Fund (DIFIX) at 1.62%. This indicates that TPDAX's price experiences larger fluctuations and is considered to be riskier than DIFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TPDAX	DIFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.91%	1.62%	+1.29%
Volatility (6M) Calculated over the trailing 6-month period	9.47%	3.85%	+5.62%
Volatility (1Y) Calculated over the trailing 1-year period	11.17%	4.99%	+6.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.18%	6.84%	+3.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.90%	7.51%	+2.39%

TPDAX vs. DIFIX - Expense Ratio Comparison

TPDAX has a 1.37% expense ratio, which is higher than DIFIX's 0.73% expense ratio.

Dividends

TPDAX vs. DIFIX - Dividend Comparison

TPDAX's dividend yield for the trailing twelve months is around 0.72%, less than DIFIX's 5.73% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DIFIX MFS Diversified Income Fund	5.73%	5.62%	3.86%	3.12%	3.99%	4.95%	2.83%	3.13%	4.39%	3.79%	3.76%	7.57%
TPDAX Timothy Plan Defensive Strategies Fund	0.72%	0.80%	2.76%	2.35%	4.48%	0.50%	0.00%	2.89%	2.69%	0.13%	0.33%	0.00%

Frequently Asked Questions

Can I hold both TPDAX and DIFIX in my portfolio?

TPDAX and DIFIX have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TPDAX or DIFIX?

TPDAX has higher volatility (2.91%) compared to DIFIX (1.62%). In terms of maximum drawdown, TPDAX dropped -22.29% vs DIFIX's -35.04%.

Which has better risk-adjusted returns?

DIFIX currently has the higher Sharpe Ratio (2.36 vs 2.28), 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.