OEF vs. GECC

Last updated Apr 2, 2026

Compare and contrast key facts about iShares S&P 100 ETF (OEF) and Great Elm Capital Corp. (GECC).

OEF is a passively managed fund by iShares that tracks the performance of the S&P 100 Index. It was launched on Oct 23, 2000.

Performance

OEF vs. GECC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares S&P 100 ETF (OEF) and Great Elm Capital Corp. (GECC). The values are adjusted to include any dividend payments, if applicable.

OEF vs. GECC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OEF iShares S&P 100 ETF	-6.33%	19.80%	30.74%	32.71%	-21.03%	29.18%	21.21%	31.87%	-4.16%	21.82%
GECC Great Elm Capital Corp.	-19.31%	-25.44%	18.85%	50.81%	-47.39%	-4.46%	-36.93%	12.30%	-11.10%	-7.41%

Returns By Period

In the year-to-date period, OEF achieves a -6.33% return, which is significantly higher than GECC's -19.31% return.

OEF

• 1D: 0.72%
• 1M: -4.08%
• YTD: -6.33%
• 6M: -3.65%
• 1Y: 19.18%
• 3Y*: 20.95%
• 5Y*: 13.32%
• 10Y*: 15.05%

GECC

• 1D: 7.19%
• 1M: -8.75%
• YTD: -19.31%
• 6M: -33.14%
• 1Y: -37.38%
• 3Y*: -1.52%
• 5Y*: -11.52%
• 10Y*: —

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

Return for Risk

OEF vs. GECC — Risk / Return Rank

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

OEF

OEF Risk / Return Rank: 59
OEF Sharpe Ratio Rank: 53
OEF Sortino Ratio Rank: 58
OEF Omega Ratio Rank: 60
OEF Calmar Ratio Rank: 62
OEF Martin Ratio Rank: 63

GECC

GECC Risk / Return Rank: 9
GECC Sharpe Ratio Rank: 3
GECC Sortino Ratio Rank: 6
GECC Omega Ratio Rank: 5
GECC Calmar Ratio Rank: 17
GECC 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.

OEF vs. GECC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares S&P 100 ETF (OEF) and Great Elm Capital Corp. (GECC). 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.

	OEF	GECC	Difference
Sharpe ratio Return per unit of total volatility	1.00	-1.06	+2.06
Sortino ratio Return per unit of downside risk	1.54	-1.39	+2.93
Omega ratio Gain probability vs. loss probability	1.23	0.80	+0.43
Calmar ratio Return relative to maximum drawdown	1.63	-0.69	+2.32
Martin ratio Return relative to average drawdown	6.46	-1.38	+7.83
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OEF vs. GECC - Sharpe Ratio Comparison

The current OEF Sharpe Ratio is 1.00, which is higher than the GECC Sharpe Ratio of -1.06. The chart below compares the historical Sharpe Ratios of OEF and GECC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	OEF	GECC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.00	-1.06	+2.06
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.76	-0.39	+1.15
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.82	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.41	-0.33	+0.74

Correlation

The correlation between OEF and GECC is 0.13, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

OEF vs. GECC - Dividend Comparison

OEF's dividend yield for the trailing twelve months is around 0.98%, less than GECC's 26.26% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OEF iShares S&P 100 ETF	0.98%	0.81%	1.03%	1.19%	1.55%	1.06%	1.43%	1.87%	2.09%	1.81%	2.07%	2.11%
GECC Great Elm Capital Corp.	26.26%	21.01%	13.19%	14.09%	23.52%	12.99%	31.60%	13.44%	12.69%	10.12%	1.42%	0.00%

Drawdowns

OEF vs. GECC - Drawdown Comparison

The maximum OEF drawdown since its inception was -54.11%, smaller than the maximum GECC drawdown of -74.01%. Use the drawdown chart below to compare losses from any high point for OEF and GECC.

Drawdown Indicators

	OEF	GECC	Difference
Max Drawdown Largest peak-to-trough decline	-54.11%	-74.01%	+19.90%
Max Drawdown (1Y) Largest decline over 1 year	-11.93%	-53.97%	+42.04%
Max Drawdown (5Y) Largest decline over 5 years	-26.47%	-57.49%	+31.02%
Max Drawdown (10Y) Largest decline over 10 years	-31.44%	—	—
Current Drawdown Current decline from peak	-7.55%	-69.70%	+62.15%
Average Drawdown Average peak-to-trough decline	-11.83%	-39.85%	+28.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.01%	27.09%	-24.08%

Volatility

OEF vs. GECC - Volatility Comparison

The current volatility for iShares S&P 100 ETF (OEF) is 5.64%, while Great Elm Capital Corp. (GECC) has a volatility of 13.09%. This indicates that OEF experiences smaller price fluctuations and is considered to be less risky than GECC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OEF	GECC	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.64%	13.09%	-7.45%
Volatility (6M) Calculated over the trailing 6-month period	10.10%	31.71%	-21.61%
Volatility (1Y) Calculated over the trailing 1-year period	19.35%	35.36%	-16.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.69%	29.36%	-11.67%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.41%	36.43%	-18.02%