AUUIX vs. WBREOX

Last updated Jun 25, 2026

AUUIX (AB Select US Equity Portfolio) and WBREOX (CIT: BlackRock Equity Index Fund Class 1) are both Large Cap Blend Equities funds. Over the past year, AUUIX returned 20.95% vs 22.34% for WBREOX. A 0.76 correlation means they provide meaningful diversification when combined. AUUIX charges 1.21%/yr vs 0.02%/yr for WBREOX.

Performance

AUUIX vs. WBREOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AB Select US Equity Portfolio (AUUIX) and CIT: BlackRock Equity Index Fund Class 1 (WBREOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AUUIX achieves a 7.78% return, which is significantly lower than WBREOX's 8.21% return.

AUUIX

• 1D: -1.14%
• 1M: -0.50%
• YTD: 7.78%
• 6M: 6.81%
• 1Y: 20.95%
• 3Y*: 20.95%
• 5Y*: 13.22%
• 10Y*: 16.33%

WBREOX

• 1D: -1.44%
• 1M: -1.34%
• YTD: 8.21%
• 6M: 6.88%
• 1Y: 22.34%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

AUUIX vs. WBREOX - Yearly Performance Comparison

	2026 (YTD)	2025
AUUIX AB Select US Equity Portfolio	7.78%	18.77%
WBREOX CIT: BlackRock Equity Index Fund Class 1	8.21%	16.64%

Correlation

The correlation between AUUIX and WBREOX is 0.84, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.84
Correlation (All Time) Calculated using the full available price history since Jan 3, 2025	0.76

The correlation between AUUIX and WBREOX has been stable across timeframes, ranging from 0.76 to 0.84 - a consistent structural relationship.

Return for Risk

AUUIX vs. WBREOX — Risk / Return Rank

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

AUUIX

AUUIX Risk / Return Rank: 65
AUUIX Sharpe Ratio Rank: 68
AUUIX Sortino Ratio Rank: 65
AUUIX Omega Ratio Rank: 64
AUUIX Calmar Ratio Rank: 59
AUUIX Martin Ratio Rank: 69

WBREOX

WBREOX Risk / Return Rank: 66
WBREOX Sharpe Ratio Rank: 62
WBREOX Sortino Ratio Rank: 61
WBREOX Omega Ratio Rank: 57
WBREOX Calmar Ratio Rank: 70
WBREOX Martin Ratio Rank: 78

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.

AUUIX vs. WBREOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AB Select US Equity Portfolio (AUUIX) and CIT: BlackRock Equity Index Fund Class 1 (WBREOX). 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.

	AUUIX	WBREOX	Difference
Sharpe ratio: Return per unit of total volatility	2.07	2.08	-0.01
Sortino ratio: Return per unit of downside risk	2.86	2.92	-0.06
Omega ratio: Gain probability vs. loss probability	1.37	1.37	0.00
Calmar ratio: Return relative to maximum drawdown	2.63	3.03	-0.39
Martin ratio: Return relative to average drawdown	11.50	13.25	-1.75

AUUIX vs. WBREOX - Sharpe Ratio Comparison

The current AUUIX Sharpe Ratio is 2.07, which is comparable to the WBREOX Sharpe Ratio of 2.08. The chart below compares the historical Sharpe Ratios of AUUIX and WBREOX, 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

AUUIX vs. WBREOX - Drawdown Comparison

The maximum AUUIX drawdown since its inception was -32.57%, which is greater than WBREOX's maximum drawdown of -19.07%. Use the drawdown chart below to compare losses from any high point for AUUIX and WBREOX.

Drawdown Indicators

	AUUIX	WBREOX	Difference
Max Drawdown Largest peak-to-trough decline	-32.57%	-19.07%	-13.50%
Max Drawdown (1Y) Largest decline over 1 year	-8.59%	-8.89%	+0.30%
Max Drawdown (3Y) Largest decline over 3 years	-17.37%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-21.16%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-32.57%	—	—
Current Drawdown Current decline from peak	-2.00%	-3.13%	+1.13%
Average Drawdown Average peak-to-trough decline	-3.61%	-2.57%	-1.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.96%	1.93%	+0.03%

Volatility

AUUIX vs. WBREOX - Volatility Comparison

The current volatility for AB Select US Equity Portfolio (AUUIX) is 3.96%, while CIT: BlackRock Equity Index Fund Class 1 (WBREOX) has a volatility of 4.73%. This indicates that AUUIX experiences smaller price fluctuations and is considered to be less risky than WBREOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AUUIX	WBREOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.96%	4.73%	-0.77%
Volatility (6M) Calculated over the trailing 6-month period	8.47%	10.01%	-1.54%
Volatility (1Y) Calculated over the trailing 1-year period	10.95%	12.96%	-2.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.87%	18.67%	-2.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.95%	18.67%	-0.72%

AUUIX vs. WBREOX - Expense Ratio Comparison

AUUIX has a 1.21% expense ratio, which is higher than WBREOX's 0.02% expense ratio.

Dividends

AUUIX vs. WBREOX - Dividend Comparison

AUUIX's dividend yield for the trailing twelve months is around 5.62%, while WBREOX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AUUIX AB Select US Equity Portfolio	5.62%	6.05%	8.89%	2.38%	6.60%	24.03%	3.32%	15.74%	12.45%	11.26%	4.16%	8.18%
WBREOX CIT: BlackRock Equity Index Fund Class 1	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 AUUIX and WBREOX in my portfolio?

AUUIX and WBREOX have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AUUIX or WBREOX?

WBREOX has higher volatility (4.73%) compared to AUUIX (3.96%). In terms of maximum drawdown, AUUIX dropped -32.57% vs WBREOX's -19.07%.

Which has better risk-adjusted returns?

WBREOX currently has the higher Sharpe Ratio (2.08 vs 2.07), 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.