DHSIX vs. DIAMX

Last updated Jun 3, 2026

DHSIX (Diamond Hill Small Cap Fund Class I) and DIAMX (Diamond Hill Long-Short Fund) are both mutual funds - DHSIX is a Small Cap Value Equities fund actively managed by Diamond Hill, while DIAMX is a Long-Short fund managed by Diamond Hill. Over the past 10 years, DHSIX returned 10.01%/yr vs 7.12%/yr for DIAMX. A 0.79 correlation means they provide meaningful diversification when combined. DHSIX charges 0.97%/yr vs 1.36%/yr for DIAMX.

Performance

DHSIX vs. DIAMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Diamond Hill Small Cap Fund Class I (DHSIX) and Diamond Hill Long-Short Fund (DIAMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DHSIX achieves a 15.52% return, which is significantly higher than DIAMX's -3.79% return. Over the past 10 years, DHSIX has outperformed DIAMX with an annualized return of 10.01%, while DIAMX has yielded a comparatively lower 7.12% annualized return.

DHSIX

• 1D: 0.03%
• 1M: 1.53%
• YTD: 15.52%
• 6M: 20.26%
• 1Y: 38.34%
• 3Y*: 19.03%
• 5Y*: 10.43%
• 10Y*: 10.01%

DIAMX

• 1D: 0.44%
• 1M: -1.80%
• YTD: -3.79%
• 6M: -1.55%
• 1Y: 8.08%
• 3Y*: 11.15%
• 5Y*: 5.82%
• 10Y*: 7.12%

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

DHSIX vs. DIAMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DHSIX Diamond Hill Small Cap Fund Class I	15.52%	11.83%	13.10%	24.25%	-14.85%	32.69%	-0.27%	21.83%	-15.00%	10.89%
DIAMX Diamond Hill Long-Short Fund	-3.79%	18.76%	9.93%	12.14%	-8.75%	19.04%	-0.56%	22.80%	-7.32%	5.65%

Correlation

The correlation between DHSIX and DIAMX is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.48
Correlation (3Y) Calculated over the trailing 3-year period	0.58
Correlation (5Y) Calculated over the trailing 5-year period	0.71
Correlation (10Y) Calculated over the trailing 10-year period	0.77
Correlation (All Time) Calculated using the full available price history since May 2, 2005	0.79

Over the past year, the correlation between DHSIX and DIAMX has dropped to 0.48 - well below their long-term average of 0.79, suggesting their price drivers have been diverging.

Return for Risk

DHSIX vs. DIAMX — Risk / Return Rank

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

DHSIX

DHSIX Risk / Return Rank: 51
DHSIX Sharpe Ratio Rank: 44
DHSIX Sortino Ratio Rank: 45
DHSIX Omega Ratio Rank: 39
DHSIX Calmar Ratio Rank: 75
DHSIX Martin Ratio Rank: 54

DIAMX

DIAMX Risk / Return Rank: 14
DIAMX Sharpe Ratio Rank: 16
DIAMX Sortino Ratio Rank: 17
DIAMX Omega Ratio Rank: 15
DIAMX Calmar Ratio Rank: 11
DIAMX Martin Ratio Rank: 12

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.

DHSIX vs. DIAMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Diamond Hill Small Cap Fund Class I (DHSIX) and Diamond Hill Long-Short Fund (DIAMX). 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.

	DHSIX	DIAMX	Difference
Sharpe ratio Return per unit of total volatility	1.95	1.18	+0.76
Sortino ratio Return per unit of downside risk	2.80	1.75	+1.05
Omega ratio Gain probability vs. loss probability	1.33	1.21	+0.12
Calmar ratio Return relative to maximum drawdown	3.39	1.16	+2.24
Martin ratio Return relative to average drawdown	10.98	3.63	+7.35
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DHSIX vs. DIAMX - Sharpe Ratio Comparison

The current DHSIX Sharpe Ratio is 1.95, which is higher than the DIAMX Sharpe Ratio of 1.18. The chart below compares the historical Sharpe Ratios of DHSIX and DIAMX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	DHSIX	DIAMX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.95	1.18	+0.76
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.49	0.55	-0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.45	0.55	-0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.40	0.47	-0.08

Drawdowns

DHSIX vs. DIAMX - Drawdown Comparison

The maximum DHSIX drawdown since its inception was -52.83%, which is greater than DIAMX's maximum drawdown of -40.92%. Use the drawdown chart below to compare losses from any high point for DHSIX and DIAMX.

Drawdown Indicators

	DHSIX	DIAMX	Difference
Max Drawdown Largest peak-to-trough decline	-52.83%	-40.92%	-11.91%
Max Drawdown (1Y) Largest decline over 1 year	-10.97%	-7.02%	-3.95%
Max Drawdown (3Y) Largest decline over 3 years	-28.33%	-8.61%	-19.72%
Max Drawdown (5Y) Largest decline over 5 years	-28.33%	-16.96%	-11.37%
Max Drawdown (10Y) Largest decline over 10 years	-45.96%	-31.57%	-14.39%
Current Drawdown Current decline from peak	-0.71%	-4.45%	+3.74%
Average Drawdown Average peak-to-trough decline	-8.38%	-6.84%	-1.54%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.39%	2.24%	+1.15%

Volatility

DHSIX vs. DIAMX - Volatility Comparison

Diamond Hill Small Cap Fund Class I (DHSIX) has a higher volatility of 5.16% compared to Diamond Hill Long-Short Fund (DIAMX) at 2.66%. This indicates that DHSIX's price experiences larger fluctuations and is considered to be riskier than DIAMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DHSIX	DIAMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.16%	2.66%	+2.50%
Volatility (6M) Calculated over the trailing 6-month period	13.26%	5.47%	+7.79%
Volatility (1Y) Calculated over the trailing 1-year period	19.56%	7.01%	+12.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.47%	10.56%	+10.91%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.22%	12.93%	+9.29%

DHSIX vs. DIAMX - Expense Ratio Comparison

DHSIX has a 0.97% expense ratio, which is lower than DIAMX's 1.36% expense ratio.

Dividends

DHSIX vs. DIAMX - Dividend Comparison

DHSIX's dividend yield for the trailing twelve months is around 4.97%, more than DIAMX's 1.45% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DHSIX Diamond Hill Small Cap Fund Class I	4.97%	5.74%	15.81%	30.09%	18.06%	17.39%	0.61%	7.13%	10.46%	6.90%	2.68%	1.95%
DIAMX Diamond Hill Long-Short Fund	1.45%	1.39%	9.52%	4.03%	5.07%	10.81%	0.97%	6.32%	4.94%	2.15%	3.42%	0.48%

Frequently Asked Questions

Can I hold both DHSIX and DIAMX in my portfolio?

DHSIX and DIAMX have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DHSIX or DIAMX?

DHSIX has higher volatility (5.16%) compared to DIAMX (2.66%). In terms of maximum drawdown, DHSIX dropped -52.83% vs DIAMX's -40.92%.

Which has better risk-adjusted returns?

DHSIX currently has the higher Sharpe Ratio (1.95 vs 1.18), 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.