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IRBO vs. WTAIX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IRBO vs. WTAIX

Last updated Jun 25, 2026

IRBO (iShares Future AI & Tech ETF) and WTAIX (Wilmington Municipal Bond Fund) are both funds - IRBO is a Robotics fund tracking the Morningstar Global Artificial Intelligence Select Index, while WTAIX is a Municipal Bonds fund managed by Wilmington Funds. Over the past 5 years, IRBO returned 11.45%/yr vs 0.68%/yr for WTAIX. At a 0.06 correlation, their price movements are largely independent. IRBO charges 0.47%/yr vs 0.49%/yr for WTAIX.

Performance

IRBO vs. WTAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Future AI & Tech ETF (IRBO) and Wilmington Municipal Bond Fund (WTAIX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, IRBO achieves a 53.58% return, which is significantly higher than WTAIX's 0.80% return.

IRBO

1D
-0.63%
1M
7.58%
YTD
53.58%
6M
52.53%
1Y
86.57%
3Y*
32.76%
5Y*
11.45%
10Y*
—

WTAIX

1D
0.00%
1M
1.13%
YTD
0.80%
6M
1.11%
1Y
5.27%
3Y*
3.15%
5Y*
0.68%
10Y*
1.44%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IRBO vs. WTAIX - Yearly Performance Comparison

2026 (YTD)20252024202320222021202020192018
IRBO
iShares Future AI & Tech ETF		53.58%29.97%8.02%36.37%-37.89%6.32%48.85%34.47%-13.76%
WTAIX
Wilmington Municipal Bond Fund		0.80%5.05%0.73%5.14%-8.01%0.55%2.60%7.12%1.70%

Correlation

The correlation between IRBO and WTAIX is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.

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

0.12

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

0.10

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

0.12

Correlation (All Time)
Calculated using the full available price history since Jun 28, 2018

0.06

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iShares Future AI & Tech ETF

Wilmington Municipal Bond Fund

Often compared with IRBO:
IRBO vs. BOTZIRBO vs. ROBOIRBO vs. AIQIRBO vs. ROBTIRBO vs. ARKQIRBO vs. IBOTIRBO vs. IGPT
Often compared with WTAIX:
WTAIX vs. THNQWTAIX vs. QTUMWTAIX vs. ^GSPCWTAIX vs. SMHWTAIX vs. WMLIXWTAIX vs. WMRIXWTAIX vs. WIBMX

Return for Risk

IRBO vs. WTAIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IRBO
IRBO Risk / Return Rank: 8181
Overall Rank
IRBO Sharpe Ratio Rank: 8787
Sharpe Ratio Rank
IRBO Sortino Ratio Rank: 7373
Sortino Ratio Rank
IRBO Omega Ratio Rank: 7676
Omega Ratio Rank
IRBO Calmar Ratio Rank: 8888
Calmar Ratio Rank
IRBO Martin Ratio Rank: 8383
Martin Ratio Rank
WTAIX
WTAIX Risk / Return Rank: 6565
Overall Rank
WTAIX Sharpe Ratio Rank: 8585
Sharpe Ratio Rank
WTAIX Sortino Ratio Rank: 8888
Sortino Ratio Rank
WTAIX Omega Ratio Rank: 9393
Omega Ratio Rank
WTAIX Calmar Ratio Rank: 3232
Calmar Ratio Rank
WTAIX Martin Ratio Rank: 2727
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.

IRBO vs. WTAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Future AI & Tech ETF (IRBO) and Wilmington Municipal Bond Fund (WTAIX). 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.

IRBOWTAIXDifference
Sharpe ratioReturn per unit of total volatility
2.55
2.50

+0.05

Sortino ratioReturn per unit of downside risk
2.92
3.84

-0.92

Omega ratioGain probability vs. loss probability

1.40

1.65

-0.25

Calmar ratioReturn relative to maximum drawdown

4.63

1.89

+2.74

Martin ratioReturn relative to average drawdown

15.07

5.64

+9.43

IRBO vs. WTAIX - Sharpe Ratio Comparison

The current IRBO Sharpe Ratio is 2.55, which is comparable to the WTAIX Sharpe Ratio of 2.50. The chart below compares the historical Sharpe Ratios of IRBO and WTAIX, 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

IRBO vs. WTAIX - Drawdown Comparison

The maximum IRBO drawdown since its inception was -54.50%, which is greater than WTAIX's maximum drawdown of -12.35%. Use the drawdown chart below to compare losses from any high point for IRBO and WTAIX.

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Drawdown Indicators

IRBOWTAIXDifference

Max Drawdown

Largest peak-to-trough decline

-54.50%

-12.35%

-42.15%

Max Drawdown (1Y)

Largest decline over 1 year

-18.81%

-2.76%

-16.05%

Max Drawdown (3Y)

Largest decline over 3 years

-32.44%

-4.87%

-27.57%

Max Drawdown (5Y)

Largest decline over 5 years

-50.53%

-12.35%

-38.18%

Max Drawdown (10Y)

Largest decline over 10 years

—

-12.35%

—

Current Drawdown

Current decline from peak

-8.37%

-1.14%

-7.23%

Average Drawdown

Average peak-to-trough decline

-19.75%

-1.63%

-18.12%

Ulcer Index

Depth and duration of drawdowns from previous peaks

5.76%

0.92%

+4.84%

Volatility

IRBO vs. WTAIX - Volatility Comparison

iShares Future AI & Tech ETF (IRBO) has a higher volatility of 19.33% compared to Wilmington Municipal Bond Fund (WTAIX) at 0.63%. This indicates that IRBO's price experiences larger fluctuations and is considered to be riskier than WTAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

IRBOWTAIXDifference

Volatility (1M)

Calculated over the trailing 1-month period

19.33%

0.63%

+18.70%

Volatility (6M)

Calculated over the trailing 6-month period

29.98%

1.66%

+28.32%

Volatility (1Y)

Calculated over the trailing 1-year period

34.23%

2.09%

+32.14%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

29.56%

3.08%

+26.48%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

28.29%

3.43%

+24.86%

IRBO vs. WTAIX - Expense Ratio Comparison

IRBO has a 0.47% expense ratio, which is lower than WTAIX's 0.49% expense ratio.

Dividends

IRBO vs. WTAIX - Dividend Comparison

IRBO's dividend yield for the trailing twelve months is around 0.06%, less than WTAIX's 2.68% yield.

PositionTTM20252024202320222021202020192018201720162015
IRBO
iShares Future AI & Tech ETF		0.06%0.00%0.50%0.88%0.75%2.41%0.53%0.69%0.34%0.00%0.00%0.00%
WTAIX
Wilmington Municipal Bond Fund		2.68%2.85%2.11%2.03%1.45%1.68%1.72%3.84%2.15%2.92%2.63%3.81%

Frequently Asked Questions

IRBO and WTAIX have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

IRBO has higher volatility (19.33%) compared to WTAIX (0.63%). In terms of maximum drawdown, IRBO dropped -54.50% vs WTAIX's -12.35%.

IRBO currently has the higher Sharpe Ratio (2.55 vs 2.50), 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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