DSPIX vs. PRGFX
DSPIX (BNY Mellon Institutional S&P 500 Stock Index Fund) and PRGFX (T. Rowe Price Growth Stock Fund) are both mutual funds - DSPIX is a S&P 500 fund tracking the S&P 500 Index, while PRGFX is a Large Cap Growth Equities fund managed by T. Rowe Price. Over the past 10 years, DSPIX returned 14.42%/yr vs 14.72%/yr for PRGFX. Their correlation of 0.92 means they have usually moved in the same direction. DSPIX charges 0.20%/yr vs 0.66%/yr for PRGFX.
Performance
DSPIX vs. PRGFX - Performance Comparison
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Returns By Period
In the year-to-date period, DSPIX achieves a 9.24% return, which is significantly higher than PRGFX's -1.45% return. Both investments have delivered pretty close results over the past 10 years, with DSPIX having a 14.42% annualized return and PRGFX not far ahead at 14.72%.
DSPIX
- 1D
- 1.66%
- 1M
- -0.57%
- 6M
- 7.70%
- YTD
- 9.24%
- 1Y
- 20.59%
- 3Y*
- 18.85%
- 5Y*
- 12.46%
- 10Y*
- 14.42%
- ALL TIME*
- 10.55%
PRGFX
- 1D
- 2.64%
- 1M
- -3.03%
- 6M
- 0.69%
- YTD
- -1.45%
- 1Y
- 7.06%
- 3Y*
- 18.65%
- 5Y*
- 6.92%
- 10Y*
- 14.72%
- ALL TIME*
- 10.48%
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 |
DSPIX vs. PRGFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
DSPIX BNY Mellon Institutional S&P 500 Stock Index Fund | 9.24% | 17.81% | 24.40% | 26.36% | -18.51% | 28.64% | 14.18% | 31.31% | -4.36% | 21.59% |
PRGFX T. Rowe Price Growth Stock Fund | -1.45% | 15.64% | 38.36% | 45.33% | -40.12% | 19.86% | 36.92% | 30.83% | -1.04% | 33.57% |
Correlation
The correlation between DSPIX and PRGFX is 0.91, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.91 |
Correlation (3Y) Balances recent behavior with more history. | 0.88 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.90 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.90 |
Correlation (All Time) Calculated using the full available price history since Sep 30, 1993 | 0.92 |
The correlation between DSPIX and PRGFX has been stable across timeframes, ranging from 0.88 to 0.92 - a consistent structural relationship.
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Return for Risk
DSPIX vs. PRGFX — Risk / Return Rank
DSPIX
PRGFX
DSPIX vs. PRGFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BNY Mellon Institutional S&P 500 Stock Index Fund (DSPIX) and T. Rowe Price Growth Stock Fund (PRGFX). 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.
| DSPIX | PRGFX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.13 | ||
| Sortino ratioReturn per unit of downside risk | +1.47 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.06 | +0.19 |
| Calmar ratioReturn relative to maximum drawdown | 2.05 | 0.29 | +1.77 |
| Martin ratioReturn relative to average drawdown | 8.79 | 0.84 | +7.95 |
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Drawdowns
DSPIX vs. PRGFX - Drawdown Comparison
The maximum DSPIX drawdown since its inception was -55.32%, roughly equal to the maximum PRGFX drawdown of -54.01%. Use the drawdown chart below to compare losses from any high point for DSPIX and PRGFX.
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Drawdown Indicators
| DSPIX | PRGFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.32% | -54.01% | -1.31% |
Max Drawdown (1Y)Largest decline over 1 year | -8.92% | -18.02% | +9.10% |
Max Drawdown (3Y)Largest decline over 3 years | -18.81% | -22.69% | +3.88% |
Max Drawdown (5Y)Largest decline over 5 years | -24.62% | -46.44% | +21.82% |
Max Drawdown (10Y)Largest decline over 10 years | -33.79% | -46.44% | +12.65% |
Current DrawdownCurrent decline from peak | -2.14% | -8.28% | +6.14% |
Average DrawdownAverage peak-to-trough decline | -9.24% | -10.65% | +1.41% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.08% | 6.08% | -4.00% |
Volatility
DSPIX vs. PRGFX - Volatility Comparison
The current volatility for BNY Mellon Institutional S&P 500 Stock Index Fund (DSPIX) is 3.46%, while T. Rowe Price Growth Stock Fund (PRGFX) has a volatility of 5.92%. This indicates that DSPIX experiences smaller price fluctuations and is considered to be less risky than PRGFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DSPIX | PRGFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.46% | 5.92% | -2.46% |
Volatility (6M)Calculated over the trailing 6-month period | 10.10% | 14.13% | -4.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.87% | 17.74% | -4.87% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.05% | 23.33% | -6.28% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.03% | 22.18% | -4.15% |
DSPIX vs. PRGFX - Expense Ratio Comparison
DSPIX has a 0.20% expense ratio, which is lower than PRGFX's 0.66% expense ratio.
Dividends
DSPIX vs. PRGFX - Dividend Comparison
DSPIX's dividend yield for the trailing twelve months is around 30.98%, more than PRGFX's 13.78% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DSPIX BNY Mellon Institutional S&P 500 Stock Index Fund | 30.98% | 33.86% | 27.60% | 27.46% | 18.33% | 12.91% | 1.15% | 5.01% | 6.33% | 2.53% | 2.91% | 2.63% |
PRGFX T. Rowe Price Growth Stock Fund | 13.78% | 13.58% | 13.26% | 3.34% | 3.55% | 9.34% | 3.51% | 1.81% | 9.09% | 13.57% | 2.22% | 7.23% |
Frequently Asked Questions
With a correlation of 0.91, DSPIX and PRGFX 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.
PRGFX has higher volatility (5.92%) compared to DSPIX (3.46%). In terms of maximum drawdown, DSPIX dropped -55.32% vs PRGFX's -54.01%.
DSPIX currently has the higher Sharpe Ratio (1.42 vs 0.29), 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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