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LEDS vs. ITOT
Performance
Return for Risk
Drawdowns
Volatility
Dividends

LEDS vs. ITOT

Last updated Jun 24, 2026

LEDS (SemiLEDs Corporation) is a stock, while ITOT (iShares Core S&P Total U.S. Stock Market ETF) is Large Cap Blend Equities fund tracking the S&P Total Market Index. Over the past 10 years, LEDS returned 0.15%/yr vs 15.11%/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.

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Returns By Period

In the year-to-date period, LEDS achieves a 21.33% return, which is significantly higher than ITOT's 8.94% return. Over the past 10 years, LEDS has underperformed ITOT with an annualized return of 0.15%, while ITOT has yielded a comparatively higher 15.11% annualized return.

LEDS

1D
-0.55%
1M
-24.17%
YTD
21.33%
6M
1.11%
1Y
-27.20%
3Y*
-9.19%
5Y*
-38.10%
10Y*
0.15%

ITOT

1D
-1.30%
1M
-0.81%
YTD
8.94%
6M
7.85%
1Y
24.26%
3Y*
20.67%
5Y*
11.93%
10Y*
15.11%
*Multi-year figures are annualized to reflect compound growth (CAGR)

LEDS vs. ITOT - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
LEDS
SemiLEDs Corporation		21.33%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		8.94%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 0.34, which is low. Their price movements are largely independent, making them effective diversification partners.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.34

Correlation (3Y)
Calculated over the trailing 3-year period

0.23

Correlation (5Y)
Calculated over the trailing 5-year period

0.29

Correlation (10Y)
Calculated over the trailing 10-year period

0.23

Correlation (All Time)
Calculated using the full available price history since Dec 9, 2010

0.21

The correlation between LEDS and ITOT shifts across timeframes, from 0.21 (all time) to 0.34 (1 year), reflecting how their relationship changes across market environments.

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SemiLEDs Corporation

iShares Core S&P Total U.S. Stock Market ETF

Often compared with ITOT:
ITOT vs. VTIITOT vs. VOOITOT vs. SCHBITOT vs. SPYITOT vs. FSKAXITOT vs. IVVITOT vs. IXUS

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: 3131
Overall Rank
LEDS Sharpe Ratio Rank: 2929
Sharpe Ratio Rank
LEDS Sortino Ratio Rank: 3333
Sortino Ratio Rank
LEDS Omega Ratio Rank: 3434
Omega Ratio Rank
LEDS Calmar Ratio Rank: 2929
Calmar Ratio Rank
LEDS Martin Ratio Rank: 3030
Martin Ratio Rank
ITOT
ITOT Risk / Return Rank: 5959
Overall Rank
ITOT Sharpe Ratio Rank: 5959
Sharpe Ratio Rank
ITOT Sortino Ratio Rank: 5656
Sortino Ratio Rank
ITOT Omega Ratio Rank: 5757
Omega Ratio Rank
ITOT Calmar Ratio Rank: 5757
Calmar Ratio Rank
ITOT Martin Ratio Rank: 6868
Martin Ratio Rank
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.

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.

LEDSITOTDifference
Sharpe ratioReturn per unit of total volatility
-0.32
1.90

-2.22

Sortino ratioReturn per unit of downside risk
0.08
2.59

-2.51

Omega ratioGain probability vs. loss probability

1.01

1.34

-0.33

Calmar ratioReturn relative to maximum drawdown

-0.40

2.74

-3.14

Martin ratioReturn relative to average drawdown

-0.67

12.14

-12.81

LEDS vs. ITOT - Sharpe Ratio Comparison

The current LEDS Sharpe Ratio is -0.32, which is lower than the ITOT Sharpe Ratio of 1.90. 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.

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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.

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Drawdown Indicators

LEDSITOTDifference

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

-94.85%

-25.36%

-69.49%

Max Drawdown (10Y)

Largest decline over 10 years

-96.05%

-35.00%

-61.05%

Current Drawdown

Current decline from peak

-99.40%

-2.79%

-96.61%

Average Drawdown

Average peak-to-trough decline

-95.83%

-6.96%

-88.87%

Ulcer Index

Depth and duration of drawdowns from previous peaks

40.67%

2.00%

+38.67%

Volatility

LEDS vs. ITOT - Volatility Comparison

SemiLEDs Corporation (LEDS) has a higher volatility of 22.83% compared to iShares Core S&P Total U.S. Stock Market ETF (ITOT) at 4.96%. 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.

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Volatility by Period

LEDSITOTDifference

Volatility (1M)

Calculated over the trailing 1-month period

22.83%

4.96%

+17.87%

Volatility (6M)

Calculated over the trailing 6-month period

61.47%

10.06%

+51.41%

Volatility (1Y)

Calculated over the trailing 1-year period

85.42%

12.85%

+72.57%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

83.41%

17.46%

+65.95%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

128.25%

18.28%

+109.97%

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 1.02%.

PositionTTM20252024202320222021202020192018201720162015
ITOT
iShares Core S&P Total U.S. Stock Market ETF		1.02%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

LEDS and ITOT have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

LEDS has higher volatility (22.83%) compared to ITOT (4.96%). In terms of maximum drawdown, LEDS dropped -99.66% vs ITOT's -55.20%.

ITOT currently has the higher Sharpe Ratio (1.90 vs -0.32), 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.

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