MAIN vs. CSH2.L

Last updated Jun 30, 2026

MAIN (Main Street Capital Corporation) is a stock, while CSH2.L (Amundi Smart Overnight Return UCITS ETF GBP Hedged Acc) is Money Market fund tracking the SONIA Compounded (GBP Hedged). Over the past 10 years, MAIN returned 12.84%/yr vs 2.10%/yr for CSH2.L. At a 0.15 correlation, their price movements are largely independent.

Performance

MAIN vs. CSH2.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Main Street Capital Corporation (MAIN) and Amundi Smart Overnight Return UCITS ETF GBP Hedged Acc (CSH2.L). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

MAIN is traded in USD, while CSH2.L is traded in GBp. To make them comparable, the CSH2.L values have been converted to USD using the latest available exchange rates.

Returns By Period

In the year-to-date period, MAIN achieves a -11.24% return, which is significantly lower than CSH2.L's 0.42% return. Over the past 10 years, MAIN has outperformed CSH2.L with an annualized return of 12.84%, while CSH2.L has yielded a comparatively lower 2.10% annualized return.

MAIN

• 1D: 1.08%
• 1M: 1.79%
• YTD: -11.24%
• 6M: -10.29%
• 1Y: -5.90%
• 3Y*: 17.92%
• 5Y*: 13.03%
• 10Y*: 12.84%

CSH2.L

• 1D: 0.46%
• 1M: -1.18%
• YTD: 0.42%
• 6M: 0.09%
• 1Y: 0.82%
• 3Y*: 6.47%
• 5Y*: 2.82%
• 10Y*: 2.10%

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

MAIN vs. CSH2.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MAIN Main Street Capital Corporation	-11.24%	10.74%	47.30%	28.22%	-11.37%	48.31%	-19.54%	36.88%	-8.27%	16.62%
CSH2.L Amundi Smart Overnight Return UCITS ETF GBP Hedged Acc	0.42%	12.57%	3.85%	10.24%	-9.32%	-0.78%	3.37%	4.86%	-5.00%	9.98%

Correlation

The correlation between MAIN and CSH2.L is 0.13, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.13
Correlation (3Y) Calculated over the trailing 3-year period	0.12
Correlation (5Y) Calculated over the trailing 5-year period	0.20
Correlation (10Y) Calculated over the trailing 10-year period	0.15
Correlation (All Time) Calculated using the full available price history since May 29, 2015	0.15

Return for Risk

MAIN vs. CSH2.L — Risk / Return Rank

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

MAIN

MAIN Risk / Return Rank: 33
MAIN Sharpe Ratio Rank: 34
MAIN Sortino Ratio Rank: 29
MAIN Omega Ratio Rank: 29
MAIN Calmar Ratio Rank: 36
MAIN Martin Ratio Rank: 35

CSH2.L

CSH2.L Risk / Return Rank: 99
CSH2.L Sharpe Ratio Rank: 99
CSH2.L Sortino Ratio Rank: 99
CSH2.L Omega Ratio Rank: 99
CSH2.L Calmar Ratio Rank: 99
CSH2.L Martin Ratio Rank: 99

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.

MAIN vs. CSH2.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Main Street Capital Corporation (MAIN) and Amundi Smart Overnight Return UCITS ETF GBP Hedged Acc (CSH2.L). 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.

	MAIN	CSH2.L	Difference
Sharpe ratio: Return per unit of total volatility	-0.24	0.12	-0.36
Sortino ratio: Return per unit of downside risk	-0.16	0.23	-0.39
Omega ratio: Gain probability vs. loss probability	0.98	1.03	-0.05
Calmar ratio: Return relative to maximum drawdown	-0.26	0.20	-0.46
Martin ratio: Return relative to average drawdown	-0.50	0.41	-0.91

MAIN vs. CSH2.L - Sharpe Ratio Comparison

The current MAIN Sharpe Ratio is -0.24, which is lower than the CSH2.L Sharpe Ratio of 0.12. The chart below compares the historical Sharpe Ratios of MAIN and CSH2.L, 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

MAIN vs. CSH2.L - Drawdown Comparison

The maximum MAIN drawdown since its inception was -64.53%, which is greater than CSH2.L's maximum drawdown of -29.83%. Use the drawdown chart below to compare losses from any high point for MAIN and CSH2.L.

Drawdown Indicators

	MAIN	CSH2.L	Difference
Max Drawdown Largest peak-to-trough decline	-64.53%	-29.83%	-34.70%
Max Drawdown (1Y) Largest decline over 1 year	-22.43%	-4.11%	-18.32%
Max Drawdown (3Y) Largest decline over 3 years	-22.43%	-7.81%	-14.62%
Max Drawdown (5Y) Largest decline over 5 years	-27.06%	-22.77%	-4.29%
Max Drawdown (10Y) Largest decline over 10 years	-64.53%	-24.10%	-40.43%
Current Drawdown Current decline from peak	-18.53%	-2.66%	-15.87%
Average Drawdown Average peak-to-trough decline	-7.33%	-12.65%	+5.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.87%	1.98%	+9.89%

Volatility

MAIN vs. CSH2.L - Volatility Comparison

Main Street Capital Corporation (MAIN) has a higher volatility of 4.75% compared to Amundi Smart Overnight Return UCITS ETF GBP Hedged Acc (CSH2.L) at 1.72%. This indicates that MAIN's price experiences larger fluctuations and is considered to be riskier than CSH2.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MAIN	CSH2.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.75%	1.72%	+3.03%
Volatility (6M) Calculated over the trailing 6-month period	20.18%	4.96%	+15.22%
Volatility (1Y) Calculated over the trailing 1-year period	24.94%	6.59%	+18.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.56%	8.55%	+13.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.31%	8.88%	+18.43%

Dividends

MAIN vs. CSH2.L - Dividend Comparison

MAIN's dividend yield for the trailing twelve months is around 8.32%, while CSH2.L has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CSH2.L Amundi Smart Overnight Return UCITS ETF GBP Hedged Acc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
MAIN Main Street Capital Corporation	8.32%	7.00%	7.02%	8.55%	7.97%	5.74%	6.99%	6.76%	8.43%	7.49%	7.42%	9.15%

Frequently Asked Questions

Can I hold both MAIN and CSH2.L in my portfolio?

MAIN and CSH2.L have a correlation of 0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.