NBGPX vs. ^GSPC

Last updated Jun 3, 2026

NBGPX (Columbia Capital Allocation Moderate Aggressive Portfolio) is Diversified Portfolio fund managed by Columbia, while ^GSPC (S&P 500 Index) is an index. Over the past 10 years, NBGPX returned 9.33%/yr vs 13.75%/yr for ^GSPC. Their correlation of 0.93 suggests significant overlap in exposure.

Performance

NBGPX vs. ^GSPC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Columbia Capital Allocation Moderate Aggressive Portfolio (NBGPX) 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, NBGPX achieves a 9.07% return, which is significantly lower than ^GSPC's 11.16% return. Over the past 10 years, NBGPX has underperformed ^GSPC with an annualized return of 9.33%, while ^GSPC has yielded a comparatively higher 13.75% annualized return.

NBGPX

• 1D: 0.51%
• 1M: 3.94%
• YTD: 9.07%
• 6M: 9.63%
• 1Y: 23.93%
• 3Y*: 16.36%
• 5Y*: 7.80%
• 10Y*: 9.33%

^GSPC

• 1D: 0.13%
• 1M: 5.25%
• YTD: 11.16%
• 6M: 11.43%
• 1Y: 28.20%
• 3Y*: 21.12%
• 5Y*: 12.66%
• 10Y*: 13.75%

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

NBGPX vs. ^GSPC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NBGPX Columbia Capital Allocation Moderate Aggressive Portfolio	9.07%	17.29%	13.35%	17.73%	-17.91%	12.96%	12.98%	21.65%	-7.94%	18.82%
^GSPC S&P 500 Index	11.16%	16.39%	23.31%	24.23%	-19.44%	26.89%	16.26%	28.88%	-6.24%	19.42%

Correlation

The correlation between NBGPX and ^GSPC is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.96
Correlation (3Y) Calculated over the trailing 3-year period	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Oct 16, 1996	0.93

The correlation between NBGPX and ^GSPC has been stable across timeframes, ranging from 0.93 to 0.96 - a consistent structural relationship.

Return for Risk

NBGPX vs. ^GSPC — Risk / Return Rank

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

NBGPX

NBGPX Risk / Return Rank: 80
NBGPX Sharpe Ratio Rank: 83
NBGPX Sortino Ratio Rank: 80
NBGPX Omega Ratio Rank: 78
NBGPX Calmar Ratio Rank: 74
NBGPX Martin Ratio Rank: 84

^GSPC

^GSPC Risk / Return Rank: 79
^GSPC Sharpe Ratio Rank: 76
^GSPC Sortino Ratio Rank: 76
^GSPC Omega Ratio Rank: 77
^GSPC Calmar Ratio Rank: 79
^GSPC Martin Ratio Rank: 88

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.

NBGPX vs. ^GSPC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Columbia Capital Allocation Moderate Aggressive Portfolio (NBGPX) 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.

	NBGPX	^GSPC	Difference
Sharpe ratio Return per unit of total volatility	2.70	2.39	+0.31
Sortino ratio Return per unit of downside risk	3.77	3.25	+0.51
Omega ratio Gain probability vs. loss probability	1.51	1.43	+0.08
Calmar ratio Return relative to maximum drawdown	3.37	3.16	+0.21
Martin ratio Return relative to average drawdown	15.95	14.61	+1.33
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NBGPX vs. ^GSPC - Sharpe Ratio Comparison

The current NBGPX Sharpe Ratio is 2.70, which is comparable to the ^GSPC Sharpe Ratio of 2.39. The chart below compares the historical Sharpe Ratios of NBGPX and ^GSPC, 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

	NBGPX	^GSPC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.70	2.39	+0.31
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.66	0.75	-0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.77	0.76	0.00
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	0.47	+0.18

Drawdowns

NBGPX vs. ^GSPC - Drawdown Comparison

The maximum NBGPX drawdown since its inception was -40.41%, smaller than the maximum ^GSPC drawdown of -56.78%. Use the drawdown chart below to compare losses from any high point for NBGPX and ^GSPC.

Drawdown Indicators

	NBGPX	^GSPC	Difference
Max Drawdown Largest peak-to-trough decline	-40.41%	-56.78%	+16.37%
Max Drawdown (1Y) Largest decline over 1 year	-7.16%	-9.10%	+1.94%
Max Drawdown (3Y) Largest decline over 3 years	-12.32%	-18.90%	+6.58%
Max Drawdown (5Y) Largest decline over 5 years	-24.03%	-25.43%	+1.40%
Max Drawdown (10Y) Largest decline over 10 years	-26.76%	-33.92%	+7.16%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-4.72%	-10.72%	+6.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.51%	1.97%	-0.46%

Volatility

NBGPX vs. ^GSPC - Volatility Comparison

The current volatility for Columbia Capital Allocation Moderate Aggressive Portfolio (NBGPX) is 2.66%, while S&P 500 Index (^GSPC) has a volatility of 2.84%. This indicates that NBGPX experiences smaller price fluctuations and is considered to be less risky than ^GSPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NBGPX	^GSPC	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.66%	2.84%	-0.18%
Volatility (6M) Calculated over the trailing 6-month period	7.23%	8.98%	-1.75%
Volatility (1Y) Calculated over the trailing 1-year period	9.08%	11.87%	-2.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.83%	16.90%	-5.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.22%	18.07%	-5.85%

Frequently Asked Questions

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

With a correlation of 0.96, NBGPX and ^GSPC 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, NBGPX or ^GSPC?

^GSPC has higher volatility (2.84%) compared to NBGPX (2.66%). In terms of maximum drawdown, NBGPX dropped -40.41% vs ^GSPC's -56.78%.

Which has better risk-adjusted returns?

NBGPX currently has the higher Sharpe Ratio (2.70 vs 2.39), 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.