FIKBX vs. WFSPX
FIKBX (Fidelity Advisor Financial Services Fund Class Z) and WFSPX (iShares S&P 500 Index Fund Class K) are both mutual funds - FIKBX is a Financials Equities fund managed by BlackRock, while WFSPX is a S&P 500 fund tracking the S&P 500 Index. Over the past 5 years, FIKBX returned 13.47%/yr vs 12.81%/yr for WFSPX. Their 0.71 correlation means they have sometimes moved together and sometimes differently. FIKBX charges 0.64%/yr vs 0.03%/yr for WFSPX.
Performance
FIKBX vs. WFSPX - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with FIKBX having a 10.09% return and WFSPX slightly higher at 10.11%.
FIKBX
- 1D
- 0.19%
- 1M
- 3.19%
- 6M
- 8.70%
- YTD
- 10.09%
- 1Y
- 20.21%
- 3Y*
- 23.08%
- 5Y*
- 13.47%
- 10Y*
- —
- ALL TIME*
- 14.17%
WFSPX
- 1D
- 0.71%
- 1M
- 0.14%
- 6M
- 7.96%
- YTD
- 10.11%
- 1Y
- 21.43%
- 3Y*
- 19.37%
- 5Y*
- 12.81%
- 10Y*
- 15.03%
- ALL TIME*
- 16.27%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
FIKBX vs. WFSPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
FIKBX Fidelity Advisor Financial Services Fund Class Z | 10.09% | 15.36% | 32.80% | 14.47% | -8.58% | 33.43% | 0.18% | 34.31% | -11.43% |
WFSPX iShares S&P 500 Index Fund Class K | 10.11% | 17.83% | 24.94% | 26.25% | -18.14% | 28.63% | 18.43% | 31.45% | -10.36% |
Correlation
The correlation between FIKBX and WFSPX is 0.52, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.52 |
Correlation (3Y) Balances recent behavior with more history. | 0.61 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.70 |
Correlation (All Time) Calculated using the full available price history since Oct 17, 2018 | 0.71 |
The correlation between FIKBX and WFSPX shifts across timeframes, from 0.52 (1 year) to 0.71 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
FIKBX vs. WFSPX — Risk / Return Rank
FIKBX
WFSPX
FIKBX vs. WFSPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Financial Services Fund Class Z (FIKBX) and iShares S&P 500 Index Fund Class K (WFSPX). 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.
| FIKBX | WFSPX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.44 | ||
| Sortino ratioReturn per unit of downside risk | -0.57 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.27 | -0.08 |
| Calmar ratioReturn relative to maximum drawdown | 1.35 | 2.20 | -0.84 |
| Martin ratioReturn relative to average drawdown | 3.90 | 9.44 | -5.54 |
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Drawdowns
FIKBX vs. WFSPX - Drawdown Comparison
The maximum FIKBX drawdown since its inception was -45.95%, smaller than the maximum WFSPX drawdown of -58.21%. Use the drawdown chart below to compare losses from any high point for FIKBX and WFSPX.
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Drawdown Indicators
| FIKBX | WFSPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -45.95% | -58.21% | +12.26% |
Max Drawdown (1Y)Largest decline over 1 year | -12.96% | -8.90% | -4.06% |
Max Drawdown (3Y)Largest decline over 3 years | -19.38% | -18.74% | -0.64% |
Max Drawdown (5Y)Largest decline over 5 years | -24.82% | -24.51% | -0.31% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.74% | — |
Current DrawdownCurrent decline from peak | -0.56% | -1.41% | +0.85% |
Average DrawdownAverage peak-to-trough decline | -7.96% | -12.72% | +4.76% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.50% | 2.07% | +2.43% |
Volatility
FIKBX vs. WFSPX - Volatility Comparison
Fidelity Advisor Financial Services Fund Class Z (FIKBX) has a higher volatility of 4.51% compared to iShares S&P 500 Index Fund Class K (WFSPX) at 3.52%. This indicates that FIKBX's price experiences larger fluctuations and is considered to be riskier than WFSPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FIKBX | WFSPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.51% | 3.52% | +0.99% |
Volatility (6M)Calculated over the trailing 6-month period | 12.20% | 10.11% | +2.09% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.18% | 12.86% | +3.32% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.53% | 16.99% | +3.54% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.76% | 18.03% | +7.73% |
FIKBX vs. WFSPX - Expense Ratio Comparison
FIKBX has a 0.64% expense ratio, which is higher than WFSPX's 0.03% expense ratio.
Dividends
FIKBX vs. WFSPX - Dividend Comparison
FIKBX's dividend yield for the trailing twelve months is around 6.46%, more than WFSPX's 1.66% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FIKBX Fidelity Advisor Financial Services Fund Class Z | 6.46% | 7.11% | 5.04% | 2.48% | 6.20% | 4.43% | 2.78% | 1.59% | 4.47% | 0.00% | 0.00% | 0.00% |
WFSPX iShares S&P 500 Index Fund Class K | 1.66% | 1.72% | 1.41% | 1.50% | 2.02% | 1.82% | 1.66% | 1.99% | 2.00% | 1.62% | 2.37% | 2.49% |
Frequently Asked Questions
FIKBX and WFSPX have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FIKBX has higher volatility (4.51%) compared to WFSPX (3.52%). In terms of maximum drawdown, FIKBX dropped -45.95% vs WFSPX's -58.21%.
WFSPX currently has the higher Sharpe Ratio (1.52 vs 1.09), 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.
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