PEDIX vs. CAUSX

Last updated Aug 1, 2026

PEDIX (PIMCO Extended Duration Fund) and CAUSX (Shelton Capital Management U.S. Government Securities Fund) are both Government Bonds funds. Over the past 10 years, PEDIX returned -4.27%/yr vs 0.52%/yr for CAUSX. Their correlation of 0.83 means they have usually moved in the same direction. PEDIX charges 0.50%/yr vs 0.75%/yr for CAUSX.

Performance

PEDIX vs. CAUSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO Extended Duration Fund (PEDIX) and Shelton Capital Management U.S. Government Securities Fund (CAUSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PEDIX achieves a -5.53% return, which is significantly lower than CAUSX's -1.28% return. Over the past 10 years, PEDIX has underperformed CAUSX with an annualized return of -4.27%, while CAUSX has yielded a comparatively higher 0.52% annualized return.

PEDIX

• 1D: -0.17%
• 1M: -5.94%
• 6M: -5.80%
• YTD: -5.53%
• 1Y: -4.34%
• 3Y*: -5.13%
• 5Y*: -12.22%
• 10Y*: -4.27%
• ALL TIME*: 3.23%

CAUSX

• 1D: 0.00%
• 1M: -1.20%
• 6M: -1.32%
• YTD: -1.28%
• 1Y: 0.21%
• 3Y*: 2.29%
• 5Y*: -0.23%
• 10Y*: 0.52%
• ALL TIME*: 3.68%

*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)
CAUSX Shelton Capital Management U.S. Government Securities Fund	$0.00	$0.00	$0.00
PEDIX PIMCO Extended Duration Fund	$0.00	$0.00	$0.00

PEDIX vs. CAUSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PEDIX PIMCO Extended Duration Fund	-5.53%	3.01%	-12.61%	2.71%	-40.33%	-5.54%	24.68%	18.66%	-4.01%	13.85%
CAUSX Shelton Capital Management U.S. Government Securities Fund	-1.28%	6.38%	-0.20%	3.83%	-7.74%	-2.99%	5.33%	4.98%	0.48%	0.91%

Correlation

The correlation between PEDIX and CAUSX is 0.92, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.92
Correlation (3Y) Balances recent behavior with more history.	0.92
Correlation (5Y) Shows whether the relationship held over a longer period.	0.84
Correlation (10Y) Provides a long-term view across more market conditions.	0.81
Correlation (All Time) Calculated using the full available price history since Aug 31, 2006	0.83

The correlation between PEDIX and CAUSX shifts across timeframes, from 0.81 (10 years) to 0.92 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

PEDIX vs. CAUSX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

PEDIX

PEDIX Risk / Return Rank: 3
PEDIX Sharpe Ratio Rank: 3
PEDIX Sortino Ratio Rank: 3
PEDIX Omega Ratio Rank: 3
PEDIX Calmar Ratio Rank: 3
PEDIX Martin Ratio Rank: 3

CAUSX

CAUSX Risk / Return Rank: 7
CAUSX Sharpe Ratio Rank: 8
CAUSX Sortino Ratio Rank: 7
CAUSX Omega Ratio Rank: 7
CAUSX Calmar Ratio Rank: 8
CAUSX Martin Ratio Rank: 7

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

PEDIX vs. CAUSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO Extended Duration Fund (PEDIX) and Shelton Capital Management U.S. Government Securities Fund (CAUSX). 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.

	PEDIX	CAUSX	Difference
Sharpe ratio: Return per unit of total volatility	-0.15	0.29	-0.44
Sortino ratio: Return per unit of downside risk	-0.11	0.45	-0.55
Omega ratio: Gain probability vs. loss probability	0.99	1.05	-0.06
Calmar ratio: Return relative to maximum drawdown	-0.17	0.33	-0.50
Martin ratio: Return relative to average drawdown	-0.36	0.75	-1.11

PEDIX vs. CAUSX - Sharpe Ratio Comparison

The current PEDIX Sharpe Ratio is -0.15, which is lower than the CAUSX Sharpe Ratio of 0.29. The chart below compares the historical Sharpe Ratios of PEDIX and CAUSX, 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

PEDIX vs. CAUSX - Drawdown Comparison

The maximum PEDIX drawdown since its inception was -60.38%, which is greater than CAUSX's maximum drawdown of -14.35%. Use the drawdown chart below to compare losses from any high point for PEDIX and CAUSX.

Drawdown Indicators

	PEDIX	CAUSX	Difference
Max Drawdown Largest peak-to-trough decline	-60.38%	-14.35%	-46.03%
Max Drawdown (1Y) Largest decline over 1 year	-12.59%	-3.87%	-8.72%
Max Drawdown (3Y) Largest decline over 3 years	-22.63%	-5.59%	-17.04%
Max Drawdown (5Y) Largest decline over 5 years	-56.15%	-12.17%	-43.98%
Max Drawdown (10Y) Largest decline over 10 years	-60.38%	-14.35%	-46.03%
Current Drawdown Current decline from peak	-55.62%	-3.76%	-51.86%
Average Drawdown Average peak-to-trough decline	-21.45%	-3.20%	-18.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.96%	1.68%	+4.28%

Volatility

PEDIX vs. CAUSX - Volatility Comparison

PIMCO Extended Duration Fund (PEDIX) has a higher volatility of 3.90% compared to Shelton Capital Management U.S. Government Securities Fund (CAUSX) at 1.09%. This indicates that PEDIX's price experiences larger fluctuations and is considered to be riskier than CAUSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PEDIX	CAUSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.90%	1.09%	+2.81%
Volatility (6M) Calculated over the trailing 6-month period	10.96%	3.39%	+7.57%
Volatility (1Y) Calculated over the trailing 1-year period	14.69%	4.38%	+10.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.05%	5.02%	+17.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.48%	4.08%	+16.40%

PEDIX vs. CAUSX - Expense Ratio Comparison

PEDIX has a 0.50% expense ratio, which is lower than CAUSX's 0.75% expense ratio.

Dividends

PEDIX vs. CAUSX - Dividend Comparison

PEDIX's dividend yield for the trailing twelve months is around 3.84%, more than CAUSX's 3.00% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CAUSX Shelton Capital Management U.S. Government Securities Fund	3.00%	4.55%	3.16%	3.08%	1.46%	1.13%	1.15%	1.42%	1.45%	1.41%	1.72%	1.38%
PEDIX PIMCO Extended Duration Fund	3.84%	3.41%	1.86%	4.59%	3.02%	27.69%	22.31%	2.35%	3.91%	4.00%	8.05%	4.96%

Frequently Asked Questions

Can I hold both PEDIX and CAUSX in my portfolio?

With a correlation of 0.92, PEDIX and CAUSX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, PEDIX or CAUSX?

PEDIX has higher volatility (3.90%) compared to CAUSX (1.09%). In terms of maximum drawdown, PEDIX dropped -60.38% vs CAUSX's -14.35%.

Which has better risk-adjusted returns?

CAUSX currently has the higher Sharpe Ratio (0.29 vs -0.15), 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.