AEDVX vs. BIGRX

Last updated Jun 24, 2026

AEDVX (American Century Emerging Markets Debt Fund) and BIGRX (American Century Disciplined Core Value Fund) are both mutual funds - AEDVX is a Emerging Markets Bonds fund managed by American Century, while BIGRX is a Large Cap Value Equities fund managed by American Century. Over the past 10 years, AEDVX returned 3.66%/yr vs 11.65%/yr for BIGRX. At a 0.25 correlation, their price movements are largely independent. AEDVX charges 0.98%/yr vs 0.65%/yr for BIGRX.

Performance

AEDVX vs. BIGRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Emerging Markets Debt Fund (AEDVX) 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, AEDVX achieves a 2.53% return, which is significantly lower than BIGRX's 12.70% return. Over the past 10 years, AEDVX has underperformed BIGRX with an annualized return of 3.66%, while BIGRX has yielded a comparatively higher 11.65% annualized return.

AEDVX

• 1D: -0.32%
• 1M: 1.79%
• YTD: 2.53%
• 6M: 2.96%
• 1Y: 11.81%
• 3Y*: 7.82%
• 5Y*: 2.36%
• 10Y*: 3.66%

BIGRX

• 1D: 0.61%
• 1M: 2.69%
• YTD: 12.70%
• 6M: 11.66%
• 1Y: 28.72%
• 3Y*: 17.17%
• 5Y*: 8.45%
• 10Y*: 11.65%

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

AEDVX vs. BIGRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AEDVX American Century Emerging Markets Debt Fund	2.53%	14.92%	1.60%	9.12%	-12.57%	-1.82%	6.55%	12.40%	-2.73%	7.13%
BIGRX American Century Disciplined Core Value Fund	12.70%	14.85%	13.26%	8.44%	-12.59%	24.22%	11.86%	24.00%	-6.37%	20.63%

Correlation

The correlation between AEDVX and BIGRX is 0.46, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.46
Correlation (3Y) Calculated over the trailing 3-year period	0.36
Correlation (5Y) Calculated over the trailing 5-year period	0.35
Correlation (10Y) Calculated over the trailing 10-year period	0.26
Correlation (All Time) Calculated using the full available price history since Jan 2, 2015	0.25

Over the past year, AEDVX and BIGRX have become more correlated (0.46) than their long-term average of 0.25, meaning their price movements have been converging.

Return for Risk

AEDVX vs. BIGRX — Risk / Return Rank

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

AEDVX

AEDVX Risk / Return Rank: 76
AEDVX Sharpe Ratio Rank: 84
AEDVX Sortino Ratio Rank: 89
AEDVX Omega Ratio Rank: 82
AEDVX Calmar Ratio Rank: 67
AEDVX Martin Ratio Rank: 59

BIGRX

BIGRX Risk / Return Rank: 84
BIGRX Sharpe Ratio Rank: 85
BIGRX Sortino Ratio Rank: 83
BIGRX Omega Ratio Rank: 78
BIGRX Calmar Ratio Rank: 84
BIGRX 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.

AEDVX vs. BIGRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Emerging Markets Debt Fund (AEDVX) 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.

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.

	AEDVX	BIGRX	Difference
Sharpe ratio: Return per unit of total volatility	2.54	2.56	-0.02
Sortino ratio: Return per unit of downside risk	4.01	3.61	+0.40
Omega ratio: Gain probability vs. loss probability	1.50	1.46	+0.04
Calmar ratio: Return relative to maximum drawdown	3.02	3.77	-0.74
Martin ratio: Return relative to average drawdown	11.18	15.76	-4.58

AEDVX vs. BIGRX - Sharpe Ratio Comparison

The current AEDVX Sharpe Ratio is 2.54, which is comparable to the BIGRX Sharpe Ratio of 2.56. The chart below compares the historical Sharpe Ratios of AEDVX 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.

Drawdowns

AEDVX vs. BIGRX - Drawdown Comparison

The maximum AEDVX drawdown since its inception was -21.46%, smaller than the maximum BIGRX drawdown of -58.04%. Use the drawdown chart below to compare losses from any high point for AEDVX and BIGRX.

Drawdown Indicators

	AEDVX	BIGRX	Difference
Max Drawdown Largest peak-to-trough decline	-21.46%	-58.04%	+36.58%
Max Drawdown (1Y) Largest decline over 1 year	-3.96%	-7.95%	+3.99%
Max Drawdown (3Y) Largest decline over 3 years	-6.73%	-18.24%	+11.51%
Max Drawdown (5Y) Largest decline over 5 years	-21.46%	-22.19%	+0.73%
Max Drawdown (10Y) Largest decline over 10 years	-21.46%	-32.62%	+11.16%
Current Drawdown Current decline from peak	-0.63%	-0.78%	+0.15%
Average Drawdown Average peak-to-trough decline	-3.83%	-8.98%	+5.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.07%	1.90%	-0.83%

Volatility

AEDVX vs. BIGRX - Volatility Comparison

The current volatility for American Century Emerging Markets Debt Fund (AEDVX) is 1.73%, while American Century Disciplined Core Value Fund (BIGRX) has a volatility of 4.27%. This indicates that AEDVX experiences smaller price fluctuations and is considered to be less risky than BIGRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AEDVX	BIGRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.73%	4.27%	-2.54%
Volatility (6M) Calculated over the trailing 6-month period	3.87%	8.96%	-5.09%
Volatility (1Y) Calculated over the trailing 1-year period	4.73%	11.73%	-7.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.15%	14.96%	-9.81%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.56%	16.86%	-12.30%

AEDVX vs. BIGRX - Expense Ratio Comparison

AEDVX has a 0.98% expense ratio, which is higher than BIGRX's 0.65% expense ratio.

Dividends

AEDVX vs. BIGRX - Dividend Comparison

AEDVX's dividend yield for the trailing twelve months is around 7.75%, less than BIGRX's 8.27% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AEDVX American Century Emerging Markets Debt Fund	7.75%	5.41%	4.99%	5.47%	3.30%	3.57%	3.42%	3.99%	3.65%	3.64%	4.28%	3.47%
BIGRX American Century Disciplined Core Value Fund	8.27%	9.05%	1.32%	1.55%	1.88%	28.04%	16.19%	3.90%	13.40%	9.32%	3.91%	9.22%

Frequently Asked Questions

Can I hold both AEDVX and BIGRX in my portfolio?

AEDVX and BIGRX have a correlation of 0.46, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AEDVX or BIGRX?

BIGRX has higher volatility (4.27%) compared to AEDVX (1.73%). In terms of maximum drawdown, AEDVX dropped -21.46% vs BIGRX's -58.04%.

Which has better risk-adjusted returns?

BIGRX currently has the higher Sharpe Ratio (2.56 vs 2.54), 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.