RLSIX vs. SPY

Last updated Jun 23, 2026

RLSIX (RiverPark Long/Short Opportunity Fund) and SPY (State Street SPDR S&P 500 ETF) are both funds - RLSIX is a Long-Short fund managed by RiverPark Funds, while SPY is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, RLSIX returned 6.72%/yr vs 15.70%/yr for SPY. A 0.69 correlation means they provide meaningful diversification when combined. RLSIX charges 1.75%/yr vs 0.09%/yr for SPY.

Performance

RLSIX vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in RiverPark Long/Short Opportunity Fund (RLSIX) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RLSIX achieves a -2.98% return, which is significantly lower than SPY's 9.74% return. Over the past 10 years, RLSIX has underperformed SPY with an annualized return of 6.72%, while SPY has yielded a comparatively higher 15.70% annualized return.

RLSIX

• 1D: 0.81%
• 1M: -1.25%
• YTD: -2.98%
• 6M: -2.98%
• 1Y: 5.93%
• 3Y*: 11.57%
• 5Y*: -5.21%
• 10Y*: 6.72%

SPY

• 1D: -0.31%
• 1M: 0.09%
• YTD: 9.74%
• 6M: 9.27%
• 1Y: 26.65%
• 3Y*: 21.27%
• 5Y*: 13.51%
• 10Y*: 15.70%

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

RLSIX vs. SPY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RLSIX RiverPark Long/Short Opportunity Fund	-2.98%	8.57%	16.06%	43.85%	-53.89%	2.10%	54.74%	20.00%	-2.20%	22.10%
SPY State Street SPDR S&P 500 ETF	9.74%	17.72%	24.89%	26.18%	-18.18%	28.73%	18.33%	31.22%	-4.57%	21.71%

Correlation

The correlation between RLSIX and SPY is 0.84, 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	0.84
Correlation (3Y) Calculated over the trailing 3-year period	0.86
Correlation (5Y) Calculated over the trailing 5-year period	0.83
Correlation (10Y) Calculated over the trailing 10-year period	0.76
Correlation (All Time) Calculated using the full available price history since Jan 29, 2010	0.69

The correlation between RLSIX and SPY shifts across timeframes, from 0.69 (all time) to 0.86 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

RLSIX vs. SPY — Risk / Return Rank

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

RLSIX

RLSIX Risk / Return Rank: 6
RLSIX Sharpe Ratio Rank: 6
RLSIX Sortino Ratio Rank: 6
RLSIX Omega Ratio Rank: 6
RLSIX Calmar Ratio Rank: 5
RLSIX Martin Ratio Rank: 5

SPY

SPY Risk / Return Rank: 68
SPY Sharpe Ratio Rank: 69
SPY Sortino Ratio Rank: 66
SPY Omega Ratio Rank: 68
SPY Calmar Ratio Rank: 63
SPY Martin Ratio Rank: 74

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.

RLSIX vs. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RiverPark Long/Short Opportunity Fund (RLSIX) and State Street SPDR S&P 500 ETF (SPY). 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.

	RLSIX	SPY	Difference
Sharpe ratio: Return per unit of total volatility	0.45	2.16	-1.71
Sortino ratio: Return per unit of downside risk	0.69	2.91	-2.22
Omega ratio: Gain probability vs. loss probability	1.09	1.39	-0.30
Calmar ratio: Return relative to maximum drawdown	0.37	3.01	-2.64
Martin ratio: Return relative to average drawdown	1.07	13.54	-12.47

RLSIX vs. SPY - Sharpe Ratio Comparison

The current RLSIX Sharpe Ratio is 0.45, which is lower than the SPY Sharpe Ratio of 2.16. The chart below compares the historical Sharpe Ratios of RLSIX and SPY, 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

RLSIX vs. SPY - Drawdown Comparison

The maximum RLSIX drawdown since its inception was -60.82%, which is greater than SPY's maximum drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for RLSIX and SPY.

Drawdown Indicators

	RLSIX	SPY	Difference
Max Drawdown Largest peak-to-trough decline	-60.82%	-55.19%	-5.63%
Max Drawdown (1Y) Largest decline over 1 year	-14.56%	-8.88%	-5.68%
Max Drawdown (3Y) Largest decline over 3 years	-17.62%	-18.76%	+1.14%
Max Drawdown (5Y) Largest decline over 5 years	-60.82%	-24.50%	-36.32%
Max Drawdown (10Y) Largest decline over 10 years	-60.82%	-33.72%	-27.10%
Current Drawdown Current decline from peak	-28.06%	-1.75%	-26.31%
Average Drawdown Average peak-to-trough decline	-15.12%	-9.04%	-6.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.08%	1.97%	+3.11%

Volatility

RLSIX vs. SPY - Volatility Comparison

RiverPark Long/Short Opportunity Fund (RLSIX) and State Street SPDR S&P 500 ETF (SPY) have volatilities of 4.53% and 4.64%, 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.

Volatility by Period

	RLSIX	SPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.53%	4.64%	-0.11%
Volatility (6M) Calculated over the trailing 6-month period	9.89%	9.75%	+0.14%
Volatility (1Y) Calculated over the trailing 1-year period	12.13%	12.43%	-0.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.97%	17.14%	+7.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.57%	17.99%	+3.58%

RLSIX vs. SPY - Expense Ratio Comparison

RLSIX has a 1.75% expense ratio, which is higher than SPY's 0.09% expense ratio.

Dividends

RLSIX vs. SPY - Dividend Comparison

RLSIX has not paid dividends to shareholders, while SPY's dividend yield for the trailing twelve months is around 1.01%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RLSIX RiverPark Long/Short Opportunity Fund	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	11.94%	11.66%	1.26%	0.00%	0.00%
SPY State Street SPDR S&P 500 ETF	1.01%	1.07%	1.21%	1.40%	1.65%	1.20%	1.52%	1.75%	2.04%	1.80%	2.03%	2.06%

Frequently Asked Questions

Can I hold both RLSIX and SPY in my portfolio?

RLSIX and SPY have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RLSIX or SPY?

SPY has higher volatility (4.64%) compared to RLSIX (4.53%). In terms of maximum drawdown, RLSIX dropped -60.82% vs SPY's -55.19%.

Which has better risk-adjusted returns?

SPY currently has the higher Sharpe Ratio (2.16 vs 0.45), 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.