BDSKX vs. FSSNX
Compare and contrast key facts about BlackRock Advantage Small Cap Core Fund Class K (BDSKX) and Fidelity Small Cap Index Fund (FSSNX).
BDSKX is a passively managed fund by BlackRock that tracks the performance of the Russell 2000 Index. It was launched on Mar 14, 2013. FSSNX is managed by Fidelity. It was launched on Sep 8, 2011.
Performance
BDSKX vs. FSSNX - Performance Comparison
Loading graphics...
BDSKX vs. FSSNX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BDSKX BlackRock Advantage Small Cap Core Fund Class K | -1.90% | 13.76% | 11.96% | 16.49% | -19.20% | 14.87% | 19.60% | 33.45% | -8.80% | 9.97% |
FSSNX Fidelity Small Cap Index Fund | -2.46% | 12.94% | 11.71% | 17.11% | -20.28% | 14.70% | 19.99% | 25.70% | -11.24% | 13.80% |
Returns By Period
In the year-to-date period, BDSKX achieves a -1.90% return, which is significantly higher than FSSNX's -2.46% return.
BDSKX
- 1D
- -1.60%
- 1M
- -7.71%
- YTD
- -1.90%
- 6M
- 1.03%
- 1Y
- 22.37%
- 3Y*
- 12.30%
- 5Y*
- 3.87%
- 10Y*
- —
FSSNX
- 1D
- -1.44%
- 1M
- -8.16%
- YTD
- -2.46%
- 6M
- -0.28%
- 1Y
- 21.68%
- 3Y*
- 11.92%
- 5Y*
- 3.17%
- 10Y*
- 9.53%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
BDSKX vs. FSSNX - Expense Ratio Comparison
BDSKX has a 0.45% expense ratio, which is higher than FSSNX's 0.03% expense ratio.
Return for Risk
BDSKX vs. FSSNX — Risk / Return Rank
BDSKX
FSSNX
BDSKX vs. FSSNX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock Advantage Small Cap Core Fund Class K (BDSKX) and Fidelity Small Cap Index Fund (FSSNX). 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.
| BDSKX | FSSNX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.96 | 0.92 | +0.04 |
Sortino ratioReturn per unit of downside risk | 1.45 | 1.41 | +0.04 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.18 | +0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.41 | 1.34 | +0.08 |
Martin ratioReturn relative to average drawdown | 5.64 | 5.05 | +0.59 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| BDSKX | FSSNX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.96 | 0.92 | +0.04 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.17 | 0.14 | +0.03 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.41 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.37 | 0.48 | -0.11 |
Correlation
The correlation between BDSKX and FSSNX is 0.99, 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
BDSKX vs. FSSNX - Dividend Comparison
BDSKX's dividend yield for the trailing twelve months is around 4.89%, more than FSSNX's 1.11% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BDSKX BlackRock Advantage Small Cap Core Fund Class K | 4.89% | 4.80% | 0.81% | 1.01% | 3.59% | 12.08% | 2.59% | 1.72% | 5.70% | 2.33% | 0.00% | 0.00% |
FSSNX Fidelity Small Cap Index Fund | 1.11% | 1.08% | 1.04% | 1.43% | 1.26% | 3.92% | 0.94% | 2.96% | 4.94% | 3.37% | 2.27% | 2.66% |
Drawdowns
BDSKX vs. FSSNX - Drawdown Comparison
The maximum BDSKX drawdown since its inception was -43.30%, roughly equal to the maximum FSSNX drawdown of -41.72%. Use the drawdown chart below to compare losses from any high point for BDSKX and FSSNX.
Loading graphics...
Drawdown Indicators
| BDSKX | FSSNX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.30% | -41.72% | -1.58% |
Max Drawdown (1Y)Largest decline over 1 year | -13.88% | -13.89% | +0.01% |
Max Drawdown (5Y)Largest decline over 5 years | -31.65% | -31.87% | +0.22% |
Max Drawdown (10Y)Largest decline over 10 years | — | -41.72% | — |
Current DrawdownCurrent decline from peak | -9.88% | -11.00% | +1.12% |
Average DrawdownAverage peak-to-trough decline | -9.66% | -8.37% | -1.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.47% | 3.68% | -0.21% |
Volatility
BDSKX vs. FSSNX - Volatility Comparison
BlackRock Advantage Small Cap Core Fund Class K (BDSKX) and Fidelity Small Cap Index Fund (FSSNX) have volatilities of 6.85% and 6.60%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| BDSKX | FSSNX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.85% | 6.60% | +0.25% |
Volatility (6M)Calculated over the trailing 6-month period | 14.38% | 14.12% | +0.26% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.16% | 23.11% | +0.05% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.53% | 22.56% | -0.03% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.87% | 23.38% | +0.49% |