PRPFX vs. SOR

Last updated Jul 14, 2026

PRPFX (Permanent Portfolio Class I) is Diversified Portfolio fund actively managed by Permanent Portfolio, while SOR (Source Capital, Inc.) is a stock. Over the past 10 years, PRPFX returned 10.09%/yr vs 9.54%/yr for SOR. At a 0.38 correlation, their price movements are largely independent.

Performance

PRPFX vs. SOR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Permanent Portfolio Class I (PRPFX) and Source Capital, Inc. (SOR). 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 PRPFX having a 2.58% return and SOR slightly higher at 2.70%. Over the past 10 years, PRPFX has outperformed SOR with an annualized return of 10.09%, while SOR has yielded a comparatively lower 9.54% annualized return.

PRPFX

• 1D: 0.10%
• 1M: -1.50%
• 6M: -1.25%
• YTD: 2.58%
• 1Y: 15.54%
• 3Y*: 18.96%
• 5Y*: 10.93%
• 10Y*: 10.09%

SOR

• 1D: -0.41%
• 1M: 1.59%
• 6M: -2.09%
• YTD: 2.70%
• 1Y: 10.45%
• 3Y*: 14.47%
• 5Y*: 8.95%
• 10Y*: 9.54%

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

PRPFX vs. SOR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PRPFX Permanent Portfolio Class I	2.58%	28.78%	19.36%	11.96%	-5.48%	10.87%	18.80%	19.20%	-7.02%	11.42%
SOR Source Capital, Inc.	2.70%	11.47%	21.28%	12.59%	-5.24%	20.66%	7.68%	22.20%	-10.41%	18.52%

Correlation

The correlation between PRPFX and SOR is 0.32, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.32
Correlation (3Y) Calculated over the trailing 3-year period	0.33
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (10Y) Calculated over the trailing 10-year period	0.49
Correlation (All Time) Calculated using the full available price history since Apr 9, 1997	0.38

The correlation between PRPFX and SOR shifts across timeframes, from 0.32 (1 year) to 0.49 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

PRPFX vs. SOR — Risk / Return Rank

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

PRPFX

PRPFX Risk / Return Rank: 29
PRPFX Sharpe Ratio Rank: 32
PRPFX Sortino Ratio Rank: 25
PRPFX Omega Ratio Rank: 36
PRPFX Calmar Ratio Rank: 31
PRPFX Martin Ratio Rank: 23

SOR

SOR Risk / Return Rank: 66
SOR Sharpe Ratio Rank: 70
SOR Sortino Ratio Rank: 62
SOR Omega Ratio Rank: 62
SOR Calmar Ratio Rank: 69
SOR Martin Ratio Rank: 70

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.

PRPFX vs. SOR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Permanent Portfolio Class I (PRPFX) and Source Capital, Inc. (SOR). 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.

	PRPFX	SOR	Difference
Sharpe ratio: Return per unit of total volatility	1.22	0.74	+0.48
Sortino ratio: Return per unit of downside risk	1.56	1.10	+0.46
Omega ratio: Gain probability vs. loss probability	1.24	1.14	+0.10
Calmar ratio: Return relative to maximum drawdown	1.63	1.14	+0.48
Martin ratio: Return relative to average drawdown	4.12	2.73	+1.39

PRPFX vs. SOR - Sharpe Ratio Comparison

The current PRPFX Sharpe Ratio is 1.22, which is higher than the SOR Sharpe Ratio of 0.74. The chart below compares the historical Sharpe Ratios of PRPFX and SOR, 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

PRPFX vs. SOR - Drawdown Comparison

The maximum PRPFX drawdown since its inception was -27.16%, smaller than the maximum SOR drawdown of -65.51%. Use the drawdown chart below to compare losses from any high point for PRPFX and SOR.

Drawdown Indicators

	PRPFX	SOR	Difference
Max Drawdown Largest peak-to-trough decline	-27.16%	-65.51%	+38.35%
Max Drawdown (1Y) Largest decline over 1 year	-9.74%	-9.18%	-0.56%
Max Drawdown (3Y) Largest decline over 3 years	-9.74%	-9.18%	-0.56%
Max Drawdown (5Y) Largest decline over 5 years	-15.49%	-17.47%	+1.98%
Max Drawdown (10Y) Largest decline over 10 years	-20.84%	-39.13%	+18.29%
Current Drawdown Current decline from peak	-8.23%	-5.34%	-2.89%
Average Drawdown Average peak-to-trough decline	-3.53%	-8.42%	+4.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.84%	3.84%	0.00%

Volatility

PRPFX vs. SOR - Volatility Comparison

The current volatility for Permanent Portfolio Class I (PRPFX) is 3.05%, while Source Capital, Inc. (SOR) has a volatility of 4.13%. This indicates that PRPFX experiences smaller price fluctuations and is considered to be less risky than SOR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PRPFX	SOR	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.05%	4.13%	-1.08%
Volatility (6M) Calculated over the trailing 6-month period	11.31%	10.62%	+0.69%
Volatility (1Y) Calculated over the trailing 1-year period	12.96%	14.13%	-1.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.12%	15.39%	-4.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.66%	16.48%	-5.82%

Dividends

PRPFX vs. SOR - Dividend Comparison

PRPFX's dividend yield for the trailing twelve months is around 3.18%, less than SOR's 5.46% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PRPFX Permanent Portfolio Class I	3.18%	3.27%	1.86%	1.39%	1.58%	2.05%	5.38%	4.69%	6.90%	2.14%	0.95%	7.06%
SOR Source Capital, Inc.	5.46%	5.46%	11.86%	7.22%	5.74%	11.09%	4.11%	2.58%	12.90%	4.24%	98.00%	6.04%

Frequently Asked Questions

Can I hold both PRPFX and SOR in my portfolio?

PRPFX and SOR have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PRPFX or SOR?

SOR has higher volatility (4.13%) compared to PRPFX (3.05%). In terms of maximum drawdown, PRPFX dropped -27.16% vs SOR's -65.51%.

Which has better risk-adjusted returns?

PRPFX currently has the higher Sharpe Ratio (1.22 vs 0.74), 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.