PKAIX vs. BIGRX

Last updated Jun 4, 2026

PKAIX (PIMCO RAE US Fund) and BIGRX (American Century Disciplined Core Value Fund) are both Large Cap Value Equities funds. Over the past 10 years, PKAIX returned 14.21%/yr vs 11.30%/yr for BIGRX. Their correlation of 0.93 suggests significant overlap in exposure. PKAIX charges 0.40%/yr vs 0.65%/yr for BIGRX.

Performance

PKAIX vs. BIGRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO RAE US Fund (PKAIX) and American Century Disciplined Core Value Fund (BIGRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PKAIX achieves a 24.56% return, which is significantly higher than BIGRX's 11.88% return. Over the past 10 years, PKAIX has outperformed BIGRX with an annualized return of 14.21%, while BIGRX has yielded a comparatively lower 11.30% annualized return.

PKAIX

• 1D: 0.71%
• 1M: 7.80%
• YTD: 24.56%
• 6M: 20.98%
• 1Y: 43.47%
• 3Y*: 25.53%
• 5Y*: 15.06%
• 10Y*: 14.21%

BIGRX

• 1D: 0.44%
• 1M: 4.27%
• YTD: 11.88%
• 6M: 12.76%
• 1Y: 28.35%
• 3Y*: 17.40%
• 5Y*: 7.51%
• 10Y*: 11.30%

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

PKAIX vs. BIGRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PKAIX PIMCO RAE US Fund	24.56%	17.19%	16.28%	17.02%	-3.36%	27.74%	3.94%	24.92%	-6.92%	16.51%
BIGRX American Century Disciplined Core Value Fund	11.88%	14.85%	13.26%	8.44%	-12.59%	24.22%	11.86%	24.00%	-6.37%	20.63%

Correlation

The correlation between PKAIX and BIGRX is 0.84, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.84
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.91
Correlation (10Y) Calculated over the trailing 10-year period	0.92
Correlation (All Time) Calculated using the full available price history since Jun 8, 2015	0.93

The correlation between PKAIX and BIGRX has been stable across timeframes, ranging from 0.84 to 0.93 - a consistent structural relationship.

Return for Risk

PKAIX vs. BIGRX — Risk / Return Rank

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

PKAIX

PKAIX Risk / Return Rank: 95
PKAIX Sharpe Ratio Rank: 96
PKAIX Sortino Ratio Rank: 93
PKAIX Omega Ratio Rank: 88
PKAIX Calmar Ratio Rank: 98
PKAIX Martin Ratio Rank: 97

BIGRX

BIGRX Risk / Return Rank: 79
BIGRX Sharpe Ratio Rank: 81
BIGRX Sortino Ratio Rank: 79
BIGRX Omega Ratio Rank: 71
BIGRX Calmar Ratio Rank: 80
BIGRX Martin Ratio Rank: 82

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.

PKAIX vs. BIGRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO RAE US Fund (PKAIX) and American Century Disciplined Core Value Fund (BIGRX). 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.

	PKAIX	BIGRX	Difference
Sharpe ratio: Return per unit of total volatility	3.52	2.61	+0.90
Sortino ratio: Return per unit of downside risk	4.74	3.73	+1.01
Omega ratio: Gain probability vs. loss probability	1.62	1.47	+0.15
Calmar ratio: Return relative to maximum drawdown	8.80	3.70	+5.11
Martin ratio: Return relative to average drawdown	27.00	15.59	+11.41
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PKAIX vs. BIGRX - Sharpe Ratio Comparison

The current PKAIX Sharpe Ratio is 3.52, which is higher than the BIGRX Sharpe Ratio of 2.61. The chart below compares the historical Sharpe Ratios of PKAIX and BIGRX, 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

	PKAIX	BIGRX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.52	2.61	+0.90
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.85	0.51	+0.35
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.76	0.67	+0.08
Sharpe Ratio (All Time) Calculated using the full available price history	0.70	0.58	+0.12

Drawdowns

PKAIX vs. BIGRX - Drawdown Comparison

The maximum PKAIX drawdown since its inception was -38.56%, smaller than the maximum BIGRX drawdown of -58.04%. Use the drawdown chart below to compare losses from any high point for PKAIX and BIGRX.

Drawdown Indicators

	PKAIX	BIGRX	Difference
Max Drawdown Largest peak-to-trough decline	-38.56%	-58.04%	+19.48%
Max Drawdown (1Y) Largest decline over 1 year	-5.15%	-7.95%	+2.80%
Max Drawdown (3Y) Largest decline over 3 years	-20.31%	-18.24%	-2.07%
Max Drawdown (5Y) Largest decline over 5 years	-20.64%	-22.19%	+1.55%
Max Drawdown (10Y) Largest decline over 10 years	-38.56%	-32.62%	-5.94%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-4.72%	-9.00%	+4.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.67%	1.88%	-0.21%

Volatility

PKAIX vs. BIGRX - Volatility Comparison

PIMCO RAE US Fund (PKAIX) has a higher volatility of 3.11% compared to American Century Disciplined Core Value Fund (BIGRX) at 2.91%. This indicates that PKAIX's price experiences larger fluctuations and is considered to be riskier than BIGRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PKAIX	BIGRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.11%	2.91%	+0.20%
Volatility (6M) Calculated over the trailing 6-month period	9.37%	8.36%	+1.01%
Volatility (1Y) Calculated over the trailing 1-year period	12.88%	11.24%	+1.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.78%	14.94%	+2.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.85%	16.82%	+2.03%

PKAIX vs. BIGRX - Expense Ratio Comparison

PKAIX has a 0.40% expense ratio, which is lower than BIGRX's 0.65% expense ratio.

Dividends

PKAIX vs. BIGRX - Dividend Comparison

PKAIX's dividend yield for the trailing twelve months is around 11.05%, more than BIGRX's 8.09% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BIGRX American Century Disciplined Core Value Fund	8.09%	9.05%	1.32%	1.55%	1.88%	28.04%	16.19%	3.90%	13.40%	9.32%	3.91%	9.22%
PKAIX PIMCO RAE US Fund	11.05%	13.77%	16.77%	6.65%	8.09%	10.03%	3.20%	4.91%	6.85%	5.85%	5.33%	3.49%

Frequently Asked Questions

Can I hold both PKAIX and BIGRX in my portfolio?

PKAIX and BIGRX have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PKAIX or BIGRX?

PKAIX has higher volatility (3.11%) compared to BIGRX (2.91%). In terms of maximum drawdown, PKAIX dropped -38.56% vs BIGRX's -58.04%.

Which has better risk-adjusted returns?

PKAIX currently has the higher Sharpe Ratio (3.52 vs 2.61), 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.