BBSC vs. FJACX

Last updated Jun 24, 2026

BBSC (JPMorgan BetaBuilders U.S. Small Cap Equity ETF) and FJACX (Fidelity Series Small Cap Discovery Fund) are both Small Cap Blend Equities funds. Over the past 5 years, BBSC returned 6.82%/yr vs 9.61%/yr for FJACX. Their correlation of 0.93 suggests significant overlap in exposure. BBSC charges 0.09%/yr vs 0.00%/yr for FJACX.

Performance

BBSC vs. FJACX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in JPMorgan BetaBuilders U.S. Small Cap Equity ETF (BBSC) and Fidelity Series Small Cap Discovery Fund (FJACX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with BBSC having a 19.47% return and FJACX slightly lower at 19.00%.

BBSC

• 1D: -0.56%
• 1M: 3.89%
• YTD: 19.47%
• 6M: 16.87%
• 1Y: 39.05%
• 3Y*: 19.15%
• 5Y*: 6.82%
• 10Y*: —

FJACX

• 1D: 1.09%
• 1M: 6.41%
• YTD: 19.00%
• 6M: 16.97%
• 1Y: 34.96%
• 3Y*: 16.53%
• 5Y*: 9.61%
• 10Y*: 11.53%

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

BBSC vs. FJACX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
BBSC JPMorgan BetaBuilders U.S. Small Cap Equity ETF	19.47%	10.38%	12.31%	20.07%	-19.75%	15.44%	11.94%
FJACX Fidelity Series Small Cap Discovery Fund	19.00%	11.80%	3.11%	21.79%	-13.96%	36.36%	5.43%

Correlation

The correlation between BBSC and FJACX is 0.93, 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	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.93
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (All Time) Calculated using the full available price history since Nov 17, 2020	0.93

The correlation between BBSC and FJACX has been stable across timeframes, ranging from 0.93 to 0.94 - a consistent structural relationship.

Return for Risk

BBSC vs. FJACX — Risk / Return Rank

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

BBSC

BBSC Risk / Return Rank: 70
BBSC Sharpe Ratio Rank: 67
BBSC Sortino Ratio Rank: 67
BBSC Omega Ratio Rank: 59
BBSC Calmar Ratio Rank: 83
BBSC Martin Ratio Rank: 76

FJACX

FJACX Risk / Return Rank: 58
FJACX Sharpe Ratio Rank: 54
FJACX Sortino Ratio Rank: 54
FJACX Omega Ratio Rank: 46
FJACX Calmar Ratio Rank: 77
FJACX Martin Ratio Rank: 58

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.

BBSC vs. FJACX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for JPMorgan BetaBuilders U.S. Small Cap Equity ETF (BBSC) and Fidelity Series Small Cap Discovery Fund (FJACX). 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.

	BBSC	FJACX	Difference
Sharpe ratio: Return per unit of total volatility	2.03	1.99	+0.04
Sortino ratio: Return per unit of downside risk	2.85	2.83	+0.02
Omega ratio: Gain probability vs. loss probability	1.34	1.34	0.00
Calmar ratio: Return relative to maximum drawdown	4.11	3.31	+0.80
Martin ratio: Return relative to average drawdown	13.44	10.90	+2.55

BBSC vs. FJACX - Sharpe Ratio Comparison

The current BBSC Sharpe Ratio is 2.03, which is comparable to the FJACX Sharpe Ratio of 1.99. The chart below compares the historical Sharpe Ratios of BBSC and FJACX, 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

BBSC vs. FJACX - Drawdown Comparison

The maximum BBSC drawdown since its inception was -30.96%, smaller than the maximum FJACX drawdown of -45.60%. Use the drawdown chart below to compare losses from any high point for BBSC and FJACX.

Drawdown Indicators

	BBSC	FJACX	Difference
Max Drawdown Largest peak-to-trough decline	-30.96%	-45.60%	+14.64%
Max Drawdown (1Y) Largest decline over 1 year	-9.54%	-11.19%	+1.65%
Max Drawdown (3Y) Largest decline over 3 years	-29.32%	-22.71%	-6.61%
Max Drawdown (5Y) Largest decline over 5 years	-30.96%	-23.69%	-7.27%
Max Drawdown (10Y) Largest decline over 10 years	—	-45.60%	—
Current Drawdown Current decline from peak	-0.56%	0.00%	-0.56%
Average Drawdown Average peak-to-trough decline	-11.39%	-6.53%	-4.86%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.91%	3.40%	-0.49%

Volatility

BBSC vs. FJACX - Volatility Comparison

The current volatility for JPMorgan BetaBuilders U.S. Small Cap Equity ETF (BBSC) is 5.51%, while Fidelity Series Small Cap Discovery Fund (FJACX) has a volatility of 6.93%. This indicates that BBSC experiences smaller price fluctuations and is considered to be less risky than FJACX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BBSC	FJACX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.51%	6.93%	-1.42%
Volatility (6M) Calculated over the trailing 6-month period	13.41%	13.98%	-0.57%
Volatility (1Y) Calculated over the trailing 1-year period	19.38%	18.67%	+0.71%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.97%	20.23%	+2.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.84%	21.64%	+1.20%

BBSC vs. FJACX - Expense Ratio Comparison

BBSC has a 0.09% expense ratio, which is higher than FJACX's 0.00% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

BBSC vs. FJACX - Dividend Comparison

BBSC's dividend yield for the trailing twelve months is around 1.00%, less than FJACX's 8.46% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BBSC JPMorgan BetaBuilders U.S. Small Cap Equity ETF	1.00%	1.13%	1.29%	1.58%	1.37%	1.06%	0.18%	0.00%	0.00%	0.00%	0.00%	0.00%
FJACX Fidelity Series Small Cap Discovery Fund	8.46%	10.44%	10.79%	2.90%	24.03%	17.66%	2.67%	6.65%	8.36%	1.15%	0.45%	5.64%

Frequently Asked Questions

Can I hold both BBSC and FJACX in my portfolio?

With a correlation of 0.93, BBSC and FJACX 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, BBSC or FJACX?

FJACX has higher volatility (6.93%) compared to BBSC (5.51%). In terms of maximum drawdown, BBSC dropped -30.96% vs FJACX's -45.60%.

Which has better risk-adjusted returns?

BBSC currently has the higher Sharpe Ratio (2.03 vs 1.99), 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.