PRBLX vs. XVV
PRBLX (Parnassus Core Equity Fund) and XVV (iShares ESG Screened S&P 500 ETF) are both funds - PRBLX is a Large Cap Blend Equities fund managed by Parnassus, while XVV is a S&P 500 fund tracking the S&P 500 Sustainablility Screened Index. Over the past 5 years, PRBLX returned 10.12%/yr vs 12.69%/yr for XVV. Their correlation of 0.95 suggests significant overlap in exposure. PRBLX charges 0.82%/yr vs 0.08%/yr for XVV.
Performance
PRBLX vs. XVV - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, PRBLX achieves a 7.00% return, which is significantly higher than XVV's 6.55% return.
PRBLX
- 1D
- -0.71%
- 1M
- 1.75%
- YTD
- 7.00%
- 6M
- 6.37%
- 1Y
- 14.68%
- 3Y*
- 15.98%
- 5Y*
- 10.12%
- 10Y*
- 13.98%
XVV
- 1D
- -1.36%
- 1M
- -1.49%
- YTD
- 6.55%
- 6M
- 5.50%
- 1Y
- 22.18%
- 3Y*
- 20.50%
- 5Y*
- 12.69%
- 10Y*
- —
PRBLX vs. XVV - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
PRBLX Parnassus Core Equity Fund | 7.00% | 11.67% | 18.58% | 24.97% | -18.64% | 27.59% | 15.16% |
XVV iShares ESG Screened S&P 500 ETF | 6.55% | 17.53% | 25.87% | 29.78% | -21.46% | 29.19% | 16.13% |
Correlation
The correlation between PRBLX and XVV is 0.91, 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 | 0.91 |
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 Sep 24, 2020 | 0.95 |
The correlation between PRBLX and XVV has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
PRBLX vs. XVV — Risk / Return Rank
PRBLX
XVV
PRBLX vs. XVV - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Parnassus Core Equity Fund (PRBLX) and iShares ESG Screened S&P 500 ETF (XVV). 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.
| PRBLX | XVV | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.41 | ||
| Sortino ratioReturn per unit of downside risk | -0.49 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.30 | -0.08 |
| Calmar ratioReturn relative to maximum drawdown | 1.35 | 2.10 | -0.75 |
| Martin ratioReturn relative to average drawdown | 5.26 | 9.02 | -3.77 |
Loading charts...
Drawdowns
PRBLX vs. XVV - Drawdown Comparison
The maximum PRBLX drawdown since its inception was -42.20%, which is greater than XVV's maximum drawdown of -27.20%. Use the drawdown chart below to compare losses from any high point for PRBLX and XVV.
Loading charts...
Drawdown Indicators
| PRBLX | XVV | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -42.20% | -27.20% | -15.00% |
Max Drawdown (1Y)Largest decline over 1 year | -11.63% | -10.59% | -1.04% |
Max Drawdown (3Y)Largest decline over 3 years | -16.31% | -19.59% | +3.28% |
Max Drawdown (5Y)Largest decline over 5 years | -26.31% | -27.20% | +0.89% |
Max Drawdown (10Y)Largest decline over 10 years | -30.09% | — | — |
Current DrawdownCurrent decline from peak | -0.85% | -3.41% | +2.56% |
Average DrawdownAverage peak-to-trough decline | -4.04% | -5.84% | +1.80% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.98% | 2.46% | +0.52% |
Volatility
PRBLX vs. XVV - Volatility Comparison
The current volatility for Parnassus Core Equity Fund (PRBLX) is 4.59%, while iShares ESG Screened S&P 500 ETF (XVV) has a volatility of 5.00%. This indicates that PRBLX experiences smaller price fluctuations and is considered to be less risky than XVV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| PRBLX | XVV | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.59% | 5.00% | -0.41% |
Volatility (6M)Calculated over the trailing 6-month period | 10.00% | 10.53% | -0.53% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.38% | 13.29% | -0.91% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.34% | 17.72% | -1.38% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.32% | 17.38% | -0.06% |
PRBLX vs. XVV - Expense Ratio Comparison
PRBLX has a 0.82% expense ratio, which is higher than XVV's 0.08% expense ratio.
Dividends
PRBLX vs. XVV - Dividend Comparison
PRBLX's dividend yield for the trailing twelve months is around 17.79%, more than XVV's 0.95% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PRBLX Parnassus Core Equity Fund | 17.79% | 19.08% | 10.00% | 6.01% | 10.13% | 7.77% | 5.87% | 8.02% | 9.64% | 7.16% | 3.80% | 9.62% |
XVV iShares ESG Screened S&P 500 ETF | 0.95% | 0.94% | 1.05% | 1.25% | 1.57% | 0.81% | 0.31% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.91, PRBLX and XVV 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.
XVV has higher volatility (5.00%) compared to PRBLX (4.59%). In terms of maximum drawdown, PRBLX dropped -42.20% vs XVV's -27.20%.
XVV currently has the higher Sharpe Ratio (1.68 vs 1.27), 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.
Find the right allocation for PRBLX and XVV
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer