LEDS vs. ITOT

Last updated Jun 4, 2026

LEDS (SemiLEDs Corporation) is a stock, while ITOT (iShares Core S&P Total U.S. Stock Market ETF) is Large Cap Growth Equities fund tracking the S&P Composite 1500 Index. Over the past 10 years, LEDS returned 0.21%/yr vs 15.01%/yr for ITOT. At a 0.21 correlation, their price movements are largely independent.

Performance

LEDS vs. ITOT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SemiLEDs Corporation (LEDS) and iShares Core S&P Total U.S. Stock Market ETF (ITOT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LEDS achieves a 30.00% return, which is significantly higher than ITOT's 11.25% return. Over the past 10 years, LEDS has underperformed ITOT with an annualized return of 0.21%, while ITOT has yielded a comparatively higher 15.01% annualized return.

LEDS

• 1D: -6.70%
• 1M: 14.04%
• YTD: 30.00%
• 6M: 9.55%
• 1Y: -32.76%
• 3Y*: -9.03%
• 5Y*: -37.53%
• 10Y*: 0.21%

ITOT

• 1D: -0.73%
• 1M: 5.01%
• YTD: 11.25%
• 6M: 11.12%
• 1Y: 28.12%
• 3Y*: 22.09%
• 5Y*: 12.69%
• 10Y*: 15.01%

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

LEDS vs. ITOT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LEDS SemiLEDs Corporation	30.00%	16.28%	-7.19%	-13.12%	-65.37%	29.05%	80.81%	-26.67%	-27.61%	6.27%
ITOT iShares Core S&P Total U.S. Stock Market ETF	11.25%	17.00%	23.80%	26.12%	-19.47%	25.68%	20.71%	30.67%	-5.33%	21.37%

Correlation

The correlation between LEDS and ITOT is 0.32, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.32
Correlation (3Y) Calculated over the trailing 3-year period	0.23
Correlation (5Y) Calculated over the trailing 5-year period	0.28
Correlation (10Y) Calculated over the trailing 10-year period	0.22
Correlation (All Time) Calculated using the full available price history since Dec 10, 2010	0.21

The correlation between LEDS and ITOT shifts across timeframes, from 0.21 (all time) to 0.32 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

LEDS vs. ITOT — Risk / Return Rank

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

LEDS

LEDS Risk / Return Rank: 27
LEDS Sharpe Ratio Rank: 24
LEDS Sortino Ratio Rank: 29
LEDS Omega Ratio Rank: 29
LEDS Calmar Ratio Rank: 25
LEDS Martin Ratio Rank: 26

ITOT

ITOT Risk / Return Rank: 68
ITOT Sharpe Ratio Rank: 69
ITOT Sortino Ratio Rank: 68
ITOT Omega Ratio Rank: 67
ITOT Calmar Ratio Rank: 63
ITOT Martin Ratio Rank: 75

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.

LEDS vs. ITOT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SemiLEDs Corporation (LEDS) and iShares Core S&P Total U.S. Stock Market ETF (ITOT). 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.

	LEDS	ITOT	Difference
Sharpe ratio Return per unit of total volatility	-0.39	2.32	-2.70
Sortino ratio Return per unit of downside risk	-0.06	3.17	-3.23
Omega ratio Gain probability vs. loss probability	0.99	1.42	-0.42
Calmar ratio Return relative to maximum drawdown	-0.49	3.17	-3.66
Martin ratio Return relative to average drawdown	-0.81	14.57	-15.38
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LEDS vs. ITOT - Sharpe Ratio Comparison

The current LEDS Sharpe Ratio is -0.39, which is lower than the ITOT Sharpe Ratio of 2.32. The chart below compares the historical Sharpe Ratios of LEDS and ITOT, 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

	LEDS	ITOT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.39	2.32	-2.70
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.44	0.74	-1.18
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.00	0.82	-0.82
Sharpe Ratio (All Time) Calculated using the full available price history	-0.23	0.57	-0.80

Drawdowns

LEDS vs. ITOT - Drawdown Comparison

The maximum LEDS drawdown since its inception was -99.66%, which is greater than ITOT's maximum drawdown of -55.20%. Use the drawdown chart below to compare losses from any high point for LEDS and ITOT.

Drawdown Indicators

	LEDS	ITOT	Difference
Max Drawdown Largest peak-to-trough decline	-99.66%	-55.20%	-44.46%
Max Drawdown (1Y) Largest decline over 1 year	-67.63%	-8.90%	-58.73%
Max Drawdown (3Y) Largest decline over 3 years	-67.63%	-19.44%	-48.19%
Max Drawdown (5Y) Largest decline over 5 years	-96.05%	-25.36%	-70.69%
Max Drawdown (10Y) Largest decline over 10 years	-96.05%	-35.00%	-61.05%
Current Drawdown Current decline from peak	-99.36%	-0.73%	-98.63%
Average Drawdown Average peak-to-trough decline	-95.85%	-6.97%	-88.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	40.50%	1.94%	+38.56%

Volatility

LEDS vs. ITOT - Volatility Comparison

SemiLEDs Corporation (LEDS) has a higher volatility of 35.83% compared to iShares Core S&P Total U.S. Stock Market ETF (ITOT) at 2.99%. This indicates that LEDS's price experiences larger fluctuations and is considered to be riskier than ITOT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LEDS	ITOT	Difference
Volatility (1M) Calculated over the trailing 1-month period	35.83%	2.99%	+32.84%
Volatility (6M) Calculated over the trailing 6-month period	61.99%	9.13%	+52.86%
Volatility (1Y) Calculated over the trailing 1-year period	85.45%	12.20%	+73.25%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	86.31%	17.36%	+68.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	128.25%	18.26%	+109.99%

Dividends

LEDS vs. ITOT - Dividend Comparison

LEDS has not paid dividends to shareholders, while ITOT's dividend yield for the trailing twelve months is around 0.98%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ITOT iShares Core S&P Total U.S. Stock Market ETF	0.98%	1.11%	1.23%	1.47%	1.66%	1.18%	1.41%	1.88%	2.14%	1.69%	1.83%	2.01%
LEDS SemiLEDs Corporation	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both LEDS and ITOT in my portfolio?

LEDS and ITOT have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LEDS or ITOT?

LEDS has higher volatility (35.83%) compared to ITOT (2.99%). In terms of maximum drawdown, LEDS dropped -99.66% vs ITOT's -55.20%.

Which has better risk-adjusted returns?

ITOT currently has the higher Sharpe Ratio (2.32 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.