PDMIX vs. ^GSPC

Last updated Jun 6, 2026

PDMIX (PIMCO GNMA and Government Securities Fund) is Government Bonds fund managed by PIMCO, while ^GSPC (S&P 500 Index) is an index. At a 0.28 correlation, their price movements are largely independent.

Performance

PDMIX vs. ^GSPC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO GNMA and Government Securities Fund (PDMIX) and S&P 500 Index (^GSPC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PDMIX achieves a 1.12% return, which is significantly lower than ^GSPC's 7.86% return.

PDMIX

• 1D: 0.11%
• 1M: -0.39%
• YTD: 1.12%
• 6M: 1.52%
• 1Y: 6.64%
• 3Y*: 4.86%
• 5Y*: 0.26%
• 10Y*: 1.55%

^GSPC

• 1D: -2.64%
• 1M: 0.25%
• YTD: 7.86%
• 6M: 7.47%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

PDMIX vs. ^GSPC - Yearly Performance Comparison

	2026 (YTD)	2025
PDMIX PIMCO GNMA and Government Securities Fund	1.12%	6.14%
^GSPC S&P 500 Index	7.86%	14.08%

Correlation

The correlation between PDMIX and ^GSPC is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 9, 2025	0.28

Return for Risk

PDMIX vs. ^GSPC — Risk / Return Rank

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

PDMIX

PDMIX Risk / Return Rank: 29
PDMIX Sharpe Ratio Rank: 28
PDMIX Sortino Ratio Rank: 29
PDMIX Omega Ratio Rank: 28
PDMIX Calmar Ratio Rank: 30
PDMIX Martin Ratio Rank: 30

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.

PDMIX vs. ^GSPC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO GNMA and Government Securities Fund (PDMIX) and S&P 500 Index (^GSPC). 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.

	PDMIX	^GSPC	Difference
Sharpe ratio: Return per unit of total volatility	1.44	—	—
Sortino ratio: Return per unit of downside risk	2.16	—	—
Omega ratio: Gain probability vs. loss probability	1.27	—	—
Calmar ratio: Return relative to maximum drawdown	1.96	—	—
Martin ratio: Return relative to average drawdown	6.65	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	PDMIX	^GSPC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.44	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.04	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.31	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.03	1.91	-0.88

Drawdowns

PDMIX vs. ^GSPC - Drawdown Comparison

The maximum PDMIX drawdown since its inception was -18.64%, which is greater than ^GSPC's maximum drawdown of -9.10%. Use the drawdown chart below to compare losses from any high point for PDMIX and ^GSPC.

Drawdown Indicators

	PDMIX	^GSPC	Difference
Max Drawdown Largest peak-to-trough decline	-18.64%	-9.10%	-9.54%
Max Drawdown (1Y) Largest decline over 1 year	-3.24%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-7.13%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-18.59%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-18.64%	—	—
Current Drawdown Current decline from peak	-1.45%	-2.97%	+1.52%
Average Drawdown Average peak-to-trough decline	-1.75%	-1.13%	-0.62%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.95%	—	—

Volatility

Volatility by Period

	PDMIX	^GSPC	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.71%	—	—
Volatility (6M) Calculated over the trailing 6-month period	3.27%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	4.46%	12.19%	-7.73%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.66%	12.19%	-5.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.06%	12.19%	-7.13%

Frequently Asked Questions

Can I hold both PDMIX and ^GSPC in my portfolio?

PDMIX and ^GSPC have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.