SPE vs. SRRIX

Last updated Jun 23, 2026

SPE (Special Opportunities Fund Inc.) and SRRIX (Stone Ridge Reinsurance Risk Premium Interval Fund) are both Multistrategy funds. Over the past 10 years, SPE returned 11.61%/yr vs 8.93%/yr for SRRIX. At a 0.01 correlation, their price movements are largely independent. SPE charges 1.11%/yr vs 2.35%/yr for SRRIX.

Performance

SPE vs. SRRIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Special Opportunities Fund Inc. (SPE) and Stone Ridge Reinsurance Risk Premium Interval Fund (SRRIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPE achieves a -2.79% return, which is significantly lower than SRRIX's 9.39% return. Over the past 10 years, SPE has outperformed SRRIX with an annualized return of 11.61%, while SRRIX has yielded a comparatively lower 8.93% annualized return.

SPE

• 1D: -2.05%
• 1M: -2.09%
• YTD: -2.79%
• 6M: -2.84%
• 1Y: 4.24%
• 3Y*: 18.96%
• 5Y*: 9.04%
• 10Y*: 11.61%

SRRIX

• 1D: 0.02%
• 1M: 1.32%
• YTD: 9.39%
• 6M: 10.11%
• 1Y: 36.32%
• 3Y*: 32.54%
• 5Y*: 22.05%
• 10Y*: 8.93%

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

SPE vs. SRRIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SPE Special Opportunities Fund Inc.	-2.79%	14.68%	34.41%	14.12%	-18.39%	23.60%	4.86%	32.95%	-9.17%	28.66%
SRRIX Stone Ridge Reinsurance Risk Premium Interval Fund	9.39%	29.63%	33.14%	44.73%	5.10%	-6.47%	4.30%	-4.47%	-6.14%	-11.35%

Correlation

The correlation between SPE and SRRIX is 0.02, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.02
Correlation (3Y) Calculated over the trailing 3-year period	-0.00
Correlation (5Y) Calculated over the trailing 5-year period	0.03
Correlation (10Y) Calculated over the trailing 10-year period	-0.00
Correlation (All Time) Calculated using the full available price history since Dec 9, 2013	0.01

Return for Risk

SPE vs. SRRIX — Risk / Return Rank

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

SPE

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

SRRIX

SRRIX Risk / Return Rank: 100
SRRIX Sharpe Ratio Rank: 100
SRRIX Sortino Ratio Rank: 100
SRRIX Omega Ratio Rank: 100
SRRIX Calmar Ratio Rank: 100
SRRIX Martin Ratio Rank: 100

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.

SPE vs. SRRIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Special Opportunities Fund Inc. (SPE) and Stone Ridge Reinsurance Risk Premium Interval Fund (SRRIX). 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.

	SPE	SRRIX	Difference
Sharpe ratio: Return per unit of total volatility	0.39	14.20	-13.81
Sortino ratio: Return per unit of downside risk	0.60	47.82	-47.22
Omega ratio: Gain probability vs. loss probability	1.08	29.72	-28.65
Calmar ratio: Return relative to maximum drawdown	0.46	66.11	-65.65
Martin ratio: Return relative to average drawdown	1.41	693.09	-691.68

SPE vs. SRRIX - Sharpe Ratio Comparison

The current SPE Sharpe Ratio is 0.39, which is lower than the SRRIX Sharpe Ratio of 14.20. The chart below compares the historical Sharpe Ratios of SPE and SRRIX, 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

SPE vs. SRRIX - Drawdown Comparison

The maximum SPE drawdown since its inception was -46.90%, which is greater than SRRIX's maximum drawdown of -27.22%. Use the drawdown chart below to compare losses from any high point for SPE and SRRIX.

Drawdown Indicators

	SPE	SRRIX	Difference
Max Drawdown Largest peak-to-trough decline	-46.90%	-27.22%	-19.68%
Max Drawdown (1Y) Largest decline over 1 year	-9.33%	-0.55%	-8.78%
Max Drawdown (3Y) Largest decline over 3 years	-13.69%	-17.26%	+3.57%
Max Drawdown (5Y) Largest decline over 5 years	-24.18%	-17.26%	-6.92%
Max Drawdown (10Y) Largest decline over 10 years	-46.90%	-27.22%	-19.68%
Current Drawdown Current decline from peak	-6.05%	0.00%	-6.05%
Average Drawdown Average peak-to-trough decline	-4.70%	-9.86%	+5.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.02%	0.05%	+2.97%

Volatility

SPE vs. SRRIX - Volatility Comparison

Special Opportunities Fund Inc. (SPE) has a higher volatility of 3.70% compared to Stone Ridge Reinsurance Risk Premium Interval Fund (SRRIX) at 0.28%. This indicates that SPE's price experiences larger fluctuations and is considered to be riskier than SRRIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPE	SRRIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.70%	0.28%	+3.42%
Volatility (6M) Calculated over the trailing 6-month period	8.84%	0.83%	+8.01%
Volatility (1Y) Calculated over the trailing 1-year period	11.08%	2.58%	+8.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.61%	13.95%	-0.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.38%	11.01%	+6.37%

SPE vs. SRRIX - Expense Ratio Comparison

SPE has a 1.11% expense ratio, which is lower than SRRIX's 2.35% expense ratio.

Dividends

SPE vs. SRRIX - Dividend Comparison

SPE's dividend yield for the trailing twelve months is around 17.14%, less than SRRIX's 18.41% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SPE Special Opportunities Fund Inc.	17.14%	13.73%	7.83%	8.77%	11.58%	11.64%	8.01%	6.35%	14.10%	16.53%	5.93%	9.02%
SRRIX Stone Ridge Reinsurance Risk Premium Interval Fund	18.41%	20.14%	21.58%	20.02%	0.00%	0.00%	0.38%	1.06%	2.32%	0.10%	6.16%	8.41%

Frequently Asked Questions

Can I hold both SPE and SRRIX in my portfolio?

SPE and SRRIX have a correlation of 0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SPE or SRRIX?

SPE has higher volatility (3.70%) compared to SRRIX (0.28%). In terms of maximum drawdown, SPE dropped -46.90% vs SRRIX's -27.22%.

Which has better risk-adjusted returns?

SRRIX currently has the higher Sharpe Ratio (14.20 vs 0.39), 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.