XCOR vs. IOO

Last updated Aug 5, 2026

XCOR (Fundx ETF) and IOO (iShares Global 100 ETF) are both exchange-traded funds - XCOR is a Large Cap Growth Equities fund actively managed by FundX, while IOO is a Global Equities fund tracking the S&P Global 100 Index (Net). XCOR is actively managed, while IOO is passively managed. Over the past 3 years, XCOR returned 21.04%/yr vs 25.47%/yr for IOO. Their correlation of 0.92 means they have usually moved in the same direction. XCOR charges 1.27%/yr vs 0.40%/yr for IOO.

Performance

XCOR vs. IOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fundx ETF (XCOR) and iShares Global 100 ETF (IOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, XCOR achieves a 11.62% return, which is significantly lower than IOO's 15.35% return.

XCOR

• 1D: 2.74%
• 1M: 2.45%
• 6M: 10.43%
• YTD: 11.62%
• 1Y: 21.06%
• 3Y*: 21.04%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 20.38%

IOO

• 1D: 1.57%
• 1M: 5.93%
• 6M: 13.66%
• YTD: 15.35%
• 1Y: 31.71%
• 3Y*: 25.47%
• 5Y*: 16.20%
• 10Y*: 16.59%
• ALL TIME*: 7.78%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
IOO iShares Global 100 ETF	$47.48M	$37.11M	$37.00M
XCOR Fundx ETF	$177.01K	$116.94K	$138.58K

XCOR vs. IOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
XCOR Fundx ETF	11.62%	12.50%	29.57%	14.34%	8.71%
IOO iShares Global 100 ETF	15.35%	27.02%	26.54%	27.71%	7.54%

Correlation

The correlation between XCOR and IOO is 0.91, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.91
Correlation (3Y) Balances recent behavior with more history.	0.93
Correlation (All Time) Calculated using the full available price history since Oct 17, 2022	0.92

The correlation between XCOR and IOO has been stable across timeframes, ranging from 0.91 to 0.93 - a consistent structural relationship.

XCOR vs. IOO - Sectors Allocation Comparison

Sectors	XCOR	IOO
Technology	51.1%	45.4%
Communication Services	11.3%	10.7%
Consumer Cyclical	9.0%	7.8%
Industrials	8.8%	5.3%
Financial Services	6.3%	10.0%
Healthcare	6.0%	9.2%
Consumer Defensive	2.9%	5.8%
Energy	2.2%	3.5%
Basic Materials	0.9%	1.7%
Real Estate	0.7%	0.2%
Utilities	0.7%	0.5%

Return for Risk

XCOR vs. IOO — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

XCOR

XCOR Risk / Return Rank: 49
XCOR Sharpe Ratio Rank: 47
XCOR Sortino Ratio Rank: 46
XCOR Omega Ratio Rank: 45
XCOR Calmar Ratio Rank: 51
XCOR Martin Ratio Rank: 55

IOO

IOO Risk / Return Rank: 82
IOO Sharpe Ratio Rank: 85
IOO Sortino Ratio Rank: 83
IOO Omega Ratio Rank: 82
IOO Calmar Ratio Rank: 80
IOO Martin Ratio Rank: 81

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

XCOR vs. IOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fundx ETF (XCOR) and iShares Global 100 ETF (IOO). 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.

	XCOR	IOO	Difference
Sharpe ratio: Return per unit of total volatility	1.34	2.18	-0.84
Sortino ratio: Return per unit of downside risk	1.91	2.98	-1.07
Omega ratio: Gain probability vs. loss probability	1.24	1.38	-0.14
Calmar ratio: Return relative to maximum drawdown	2.09	3.21	-1.11
Martin ratio: Return relative to average drawdown	7.36	11.97	-4.61

XCOR vs. IOO - Sharpe Ratio Comparison

The current XCOR Sharpe Ratio is 1.34, which is lower than the IOO Sharpe Ratio of 2.18. The chart below compares the historical Sharpe Ratios of XCOR and IOO, 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

XCOR vs. IOO - Drawdown Comparison

The maximum XCOR drawdown since its inception was -22.54%, smaller than the maximum IOO drawdown of -55.85%. Use the drawdown chart below to compare losses from any high point for XCOR and IOO.

Drawdown Indicators

	XCOR	IOO	Difference
Max Drawdown Largest peak-to-trough decline	-22.54%	-55.85%	+33.31%
Max Drawdown (1Y) Largest decline over 1 year	-10.10%	-9.94%	-0.16%
Max Drawdown (3Y) Largest decline over 3 years	-22.54%	-19.19%	-3.35%
Max Drawdown (5Y) Largest decline over 5 years	—	-23.52%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-31.43%	—
Current Drawdown Current decline from peak	-2.29%	0.00%	-2.29%
Average Drawdown Average peak-to-trough decline	-3.16%	-11.22%	+8.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.87%	2.66%	+0.21%

Volatility

XCOR vs. IOO - Volatility Comparison

Fundx ETF (XCOR) has a higher volatility of 7.05% compared to iShares Global 100 ETF (IOO) at 4.52%. This indicates that XCOR's price experiences larger fluctuations and is considered to be riskier than IOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	XCOR	IOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.05%	4.52%	+2.53%
Volatility (6M) Calculated over the trailing 6-month period	13.65%	11.96%	+1.69%
Volatility (1Y) Calculated over the trailing 1-year period	15.84%	14.71%	+1.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.44%	17.23%	+0.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.44%	17.74%	-0.30%

XCOR vs. IOO - Expense Ratio Comparison

XCOR has a 1.27% expense ratio, which is higher than IOO's 0.40% expense ratio.

Dividends

XCOR vs. IOO - Dividend Comparison

XCOR's dividend yield for the trailing twelve months is around 0.38%, less than IOO's 0.80% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IOO iShares Global 100 ETF	0.80%	0.92%	1.08%	1.49%	2.00%	1.53%	1.49%	2.02%	2.54%	2.23%	2.75%	2.89%
XCOR Fundx ETF	0.38%	0.43%	0.00%	0.95%	2.52%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both XCOR and IOO in my portfolio?

With a correlation of 0.91, XCOR and IOO move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, XCOR or IOO?

XCOR has higher volatility (7.05%) compared to IOO (4.52%). In terms of maximum drawdown, XCOR dropped -22.54% vs IOO's -55.85%.

Which ETF is better, XCOR or IOO?

On 3-year performance, IOO leads with 25.47% vs 21.04% for XCOR. On fees, IOO is cheaper at 0.40% per year. On volatility, IOO has been the lower-risk option at 4.52%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, XCOR or IOO?

Over the 3-year period, IOO has performed better with a 25.47% return vs 21.04%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, XCOR or IOO?

IOO is cheaper with a 0.40% expense ratio, compared with 1.27% for XCOR.

Which ETF pays a higher dividend yield, XCOR or IOO?

IOO has the higher dividend yield at 0.80%, compared with 0.38% for XCOR.

What is the main difference between XCOR and IOO?

XCOR is categorized as Large Cap Growth Equities, while IOO is Global Equities. They also come from different issuers: FundX and iShares. Their fees differ too: 1.27% for XCOR and 0.40% for IOO.

Which has better risk-adjusted returns?

IOO currently has the higher Sharpe Ratio (2.18 vs 1.34), 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.