PortfoliosLab logoPortfoliosLab logo

Documentation

Upgrade your plan
TBB vs. VOO
Performance
Return for Risk
Drawdowns
Volatility
Dividends

TBB vs. VOO

Last updated Jun 4, 2026

TBB (AT&T Inc. 5.35% GLB NTS 66) is a stock, while VOO (Vanguard S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 5 years, TBB returned 0.64%/yr vs 13.90%/yr for VOO. At a 0.30 correlation, their price movements are largely independent.

Performance

TBB vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AT&T Inc. 5.35% GLB NTS 66 (TBB) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Loading charts...

Returns By Period

In the year-to-date period, TBB achieves a -3.94% return, which is significantly lower than VOO's 10.91% return.

TBB

1D
-1.00%
1M
-3.84%
YTD
-3.94%
6M
-4.62%
1Y
0.53%
3Y*
0.95%
5Y*
0.64%
10Y*
—

VOO

1D
-0.70%
1M
5.04%
YTD
10.91%
6M
10.93%
1Y
28.04%
3Y*
22.44%
5Y*
13.90%
10Y*
15.56%
*Multi-year figures are annualized to reflect compound growth (CAGR)

TBB vs. VOO - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
TBB
AT&T Inc. 5.35% GLB NTS 66		-3.94%-3.34%10.14%14.65%-12.18%-0.72%7.21%26.60%-9.95%3.33%
VOO
Vanguard S&P 500 ETF		10.91%17.82%24.98%26.32%-18.17%28.79%18.32%31.37%-4.50%3.65%

Correlation

The correlation between TBB and VOO is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.

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

0.38

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

0.29

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

0.32

Correlation (All Time)
Calculated using the full available price history since Nov 7, 2017

0.30

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

AT&T Inc. 5.35% GLB NTS 66

Vanguard S&P 500 ETF

Often compared with TBB:
TBB vs. TBCTBB vs. TTBB vs. BNDTBB vs. VZTBB vs. ^TNXTBB vs. NOMDTBB vs. ELPC
Often compared with VOO:
VOO vs. VTIVOO vs. QQQVOO vs. SCHDVOO vs. VTVOO vs. SPYVOO vs. FXAIXVOO vs. IVV

Return for Risk

TBB vs. VOO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
TBB
TBB Risk / Return Rank: 3838
Overall Rank
TBB Sharpe Ratio Rank: 4343
Sharpe Ratio Rank
TBB Sortino Ratio Rank: 3333
Sortino Ratio Rank
TBB Omega Ratio Rank: 3333
Omega Ratio Rank
TBB Calmar Ratio Rank: 4141
Calmar Ratio Rank
TBB Martin Ratio Rank: 4242
Martin Ratio Rank
VOO
VOO Risk / Return Rank: 7070
Overall Rank
VOO Sharpe Ratio Rank: 7171
Sharpe Ratio Rank
VOO Sortino Ratio Rank: 7070
Sortino Ratio Rank
VOO Omega Ratio Rank: 7070
Omega Ratio Rank
VOO Calmar Ratio Rank: 6262
Calmar Ratio Rank
VOO Martin Ratio Rank: 7575
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.

TBB vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AT&T Inc. 5.35% GLB NTS 66 (TBB) and Vanguard S&P 500 ETF (VOO). 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.

TBBVOODifference
Sharpe ratioReturn per unit of total volatility
0.06
2.39

-2.33

Sortino ratioReturn per unit of downside risk
0.16
3.25

-3.10

Omega ratioGain probability vs. loss probability

1.02

1.43

-0.42

Calmar ratioReturn relative to maximum drawdown

0.05

3.16

-3.11

Martin ratioReturn relative to average drawdown

0.11

14.73

-14.61

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TBB vs. VOO - Sharpe Ratio Comparison

The current TBB Sharpe Ratio is 0.06, which is lower than the VOO Sharpe Ratio of 2.39. The chart below compares the historical Sharpe Ratios of TBB and VOO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Loading charts...

Sharpe Ratios by Period

TBBVOODifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.06

2.39

-2.33

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.06

0.83

-0.77

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

—

0.87

—

Sharpe Ratio (All Time)

Calculated using the full available price history

0.28

0.89

-0.61

Drawdowns

TBB vs. VOO - Drawdown Comparison

The maximum TBB drawdown since its inception was -16.09%, smaller than the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for TBB and VOO.

Loading charts...

Drawdown Indicators

TBBVOODifference

Max Drawdown

Largest peak-to-trough decline

-16.09%

-33.99%

+17.90%

Max Drawdown (1Y)

Largest decline over 1 year

-9.90%

-8.90%

-1.00%

Max Drawdown (3Y)

Largest decline over 3 years

-12.94%

-18.69%

+5.75%

Max Drawdown (5Y)

Largest decline over 5 years

-15.68%

-24.52%

+8.84%

Max Drawdown (10Y)

Largest decline over 10 years

—

-33.99%

—

Current Drawdown

Current decline from peak

-9.90%

-0.70%

-9.20%

Average Drawdown

Average peak-to-trough decline

-3.28%

-3.69%

+0.41%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.70%

1.91%

+2.79%

Volatility

TBB vs. VOO - Volatility Comparison

The current volatility for AT&T Inc. 5.35% GLB NTS 66 (TBB) is 1.80%, while Vanguard S&P 500 ETF (VOO) has a volatility of 2.84%. This indicates that TBB experiences smaller price fluctuations and is considered to be less risky than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Loading charts...

Volatility by Period

TBBVOODifference

Volatility (1M)

Calculated over the trailing 1-month period

1.80%

2.84%

-1.04%

Volatility (6M)

Calculated over the trailing 6-month period

5.06%

8.90%

-3.84%

Volatility (1Y)

Calculated over the trailing 1-year period

8.82%

11.80%

-2.98%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

11.12%

16.81%

-5.69%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

10.95%

18.01%

-7.06%

Dividends

TBB vs. VOO - Dividend Comparison

TBB's dividend yield for the trailing twelve months is around 6.44%, more than VOO's 1.03% yield.

PositionTTM20252024202320222021202020192018201720162015
TBB
AT&T Inc. 5.35% GLB NTS 66		6.44%6.01%5.48%5.70%6.17%5.13%3.63%4.99%6.07%0.00%0.00%0.00%
VOO
Vanguard S&P 500 ETF		1.03%1.13%1.24%1.46%1.69%1.25%1.54%1.88%2.06%1.78%2.02%2.10%

Frequently Asked Questions

TBB and VOO have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

VOO has higher volatility (2.84%) compared to TBB (1.80%). In terms of maximum drawdown, TBB dropped -16.09% vs VOO's -33.99%.

VOO currently has the higher Sharpe Ratio (2.39 vs 0.06), 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.

Portfolio Optimizer

Find the right allocation for TBB and VOO

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Optimizer