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FNDX vs. FNDB
Performance
Return for Risk
Dividends
Drawdowns
Volatility

FNDX vs. FNDB

Last updated Apr 1, 2026

Compare and contrast key facts about Schwab Fundamental U.S. Large Company Index ETF (FNDX) and Schwab Fundamental U.S. Broad Market Index ETF (FNDB).

FNDX and FNDB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. FNDX is a passively managed fund by Charles Schwab that tracks the performance of the Russell Fundamental U.S. Large Company Index. It was launched on Aug 15, 2013. FNDB is a passively managed fund by Charles Schwab that tracks the performance of the Russell RAFI US. It was launched on Aug 8, 2013. Both FNDX and FNDB are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

FNDX vs. FNDB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Schwab Fundamental U.S. Large Company Index ETF (FNDX) and Schwab Fundamental U.S. Broad Market Index ETF (FNDB). The values are adjusted to include any dividend payments, if applicable.

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FNDX vs. FNDB - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
FNDX
Schwab Fundamental U.S. Large Company Index ETF		2.76%16.94%16.77%18.23%-6.92%31.73%9.12%28.65%-7.30%17.12%
FNDB
Schwab Fundamental U.S. Broad Market Index ETF		2.77%16.23%16.25%18.42%-7.53%31.55%9.40%28.88%-8.20%16.94%

Returns By Period

The year-to-date returns for both investments are quite close, with FNDX having a 2.76% return and FNDB slightly higher at 2.77%. Both investments have delivered pretty close results over the past 10 years, with FNDX having a 13.26% annualized return and FNDB not far behind at 13.03%.

FNDX

1D
1.98%
1M
-3.68%
YTD
2.76%
6M
6.80%
1Y
19.99%
3Y*
17.12%
5Y*
11.99%
10Y*
13.26%

FNDB

1D
2.03%
1M
-3.82%
YTD
2.77%
6M
6.56%
1Y
20.23%
3Y*
16.75%
5Y*
11.53%
10Y*
13.03%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

Schwab Fundamental U.S. Large Company Index ETF

Schwab Fundamental U.S. Broad Market Index ETF

Often compared with FNDX:
FNDX vs. SCHXFNDX vs. VOOFNDX vs. SPYFNDX vs. SCHDFNDX vs. VTIFNDX vs. SWPPXFNDX vs. SFNNX
Often compared with FNDB:
FNDB vs. SCHBFNDB vs. SCHDFNDB vs. VTIFNDB vs. SPYFNDB vs. VTVFNDB vs. CDCFNDB vs. RSP

FNDX vs. FNDB - Expense Ratio Comparison

Both FNDX and FNDB have an expense ratio of 0.25%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

FNDX
Schwab Fundamental U.S. Large Company Index ETF
FNDB
Schwab Fundamental U.S. Broad Market Index ETF

Return for Risk

FNDX vs. FNDB — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
FNDX
FNDX Risk / Return Rank: 7575
Overall Rank
FNDX Sharpe Ratio Rank: 7373
Sharpe Ratio Rank
FNDX Sortino Ratio Rank: 7575
Sortino Ratio Rank
FNDX Omega Ratio Rank: 7777
Omega Ratio Rank
FNDX Calmar Ratio Rank: 7171
Calmar Ratio Rank
FNDX Martin Ratio Rank: 8181
Martin Ratio Rank
FNDB
FNDB Risk / Return Rank: 7474
Overall Rank
FNDB Sharpe Ratio Rank: 7373
Sharpe Ratio Rank
FNDB Sortino Ratio Rank: 7474
Sortino Ratio Rank
FNDB Omega Ratio Rank: 7676
Omega Ratio Rank
FNDB Calmar Ratio Rank: 7171
Calmar Ratio Rank
FNDB Martin Ratio Rank: 7979
Martin Ratio Rank
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.

FNDX vs. FNDB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Schwab Fundamental U.S. Large Company Index ETF (FNDX) and Schwab Fundamental U.S. Broad Market Index ETF (FNDB). 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.

FNDXFNDBDifference

Sharpe ratio

Return per unit of total volatility

1.24

1.24

0.00

Sortino ratio

Return per unit of downside risk

1.80

1.79

+0.01

Omega ratio

Gain probability vs. loss probability

1.28

1.27

+0.01

Calmar ratio

Return relative to maximum drawdown

1.73

1.72

0.00

Martin ratio

Return relative to average drawdown

8.31

8.07

+0.24

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FNDX vs. FNDB - Sharpe Ratio Comparison

The current FNDX Sharpe Ratio is 1.24, which is comparable to the FNDB Sharpe Ratio of 1.24. The chart below compares the historical Sharpe Ratios of FNDX and FNDB, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

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Sharpe Ratios by Period

FNDXFNDBDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.24

1.24

0.00

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.79

0.75

+0.04

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.76

0.75

+0.01

Sharpe Ratio (All Time)

Calculated using the full available price history

0.74

0.74

+0.01

Correlation

The correlation between FNDX and FNDB is 0.98, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

FNDX vs. FNDB - Dividend Comparison

FNDX's dividend yield for the trailing twelve months is around 1.62%, which matches FNDB's 1.61% yield.

TTM20252024202320222021202020192018201720162015
FNDX
Schwab Fundamental U.S. Large Company Index ETF		1.62%1.63%1.76%1.82%2.07%1.64%2.29%2.23%2.40%1.86%2.01%2.01%
FNDB
Schwab Fundamental U.S. Broad Market Index ETF		1.61%1.62%1.74%1.80%1.98%1.63%2.15%2.23%2.41%1.91%2.06%2.26%

Drawdowns

FNDX vs. FNDB - Drawdown Comparison

The maximum FNDX drawdown since its inception was -37.72%, roughly equal to the maximum FNDB drawdown of -38.17%. Use the drawdown chart below to compare losses from any high point for FNDX and FNDB.

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Drawdown Indicators

FNDXFNDBDifference

Max Drawdown

Largest peak-to-trough decline

-37.72%

-38.17%

+0.45%

Max Drawdown (1Y)

Largest decline over 1 year

-12.25%

-12.24%

-0.01%

Max Drawdown (5Y)

Largest decline over 5 years

-19.06%

-19.29%

+0.23%

Max Drawdown (10Y)

Largest decline over 10 years

-37.72%

-38.17%

+0.45%

Current Drawdown

Current decline from peak

-4.21%

-4.39%

+0.18%

Average Drawdown

Average peak-to-trough decline

-3.59%

-3.70%

+0.11%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.55%

2.62%

-0.07%

Volatility

FNDX vs. FNDB - Volatility Comparison

The current volatility for Schwab Fundamental U.S. Large Company Index ETF (FNDX) is 3.93%, while Schwab Fundamental U.S. Broad Market Index ETF (FNDB) has a volatility of 4.19%. This indicates that FNDX experiences smaller price fluctuations and is considered to be less risky than FNDB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

FNDXFNDBDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.93%

4.19%

-0.26%

Volatility (6M)

Calculated over the trailing 6-month period

8.05%

8.43%

-0.38%

Volatility (1Y)

Calculated over the trailing 1-year period

16.21%

16.35%

-0.14%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

15.26%

15.45%

-0.19%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

17.51%

17.49%

+0.02%