TBC vs. TBB

Last updated Jun 4, 2026

TBC (AT&T Inc. 5.625% Global Notes d) and TBB (AT&T Inc. 5.35% GLB NTS 66) are both stocks. A 0.68 correlation means they provide meaningful diversification when combined.

Performance

TBC vs. TBB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AT&T Inc. 5.625% Global Notes d (TBC) and AT&T Inc. 5.35% GLB NTS 66 (TBB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

TBC

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

TBB

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

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

TBC vs. TBB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
TBC AT&T Inc. 5.625% Global Notes d	0.00%	0.00%	6.59%	15.83%	-11.61%	1.65%	7.53%	25.45%	-5.41%
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%	-8.67%

Correlation

The correlation between TBC and TBB is 0.68, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (3Y) Calculated over the trailing 3-year period	0.60
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (All Time) Calculated using the full available price history since Aug 9, 2018	0.68

The correlation between TBC and TBB has been stable across timeframes, ranging from 0.60 to 0.68 - a consistent structural relationship.

Fundamentals

EPS TBC : $3.05 TBB : $3.04
PE Ratio TBC : 8.20 TBB : 6.82
PEG Ratio TBC : 0.33 TBB : 0.28
PS Ratio TBC : 1.43 TBB : 1.19
Total Revenue (TTM) TBC : $125.65B TBB : $125.65B
Gross Profit (TTM) TBC : $100.22B TBB : $105.41B
EBITDA (TTM) TBC : $36.14B TBB : $54.70B

Return for Risk

TBC vs. TBB — Risk / Return Rank

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

TBB

TBB Risk / Return Rank: 38
TBB Sharpe Ratio Rank: 43
TBB Sortino Ratio Rank: 33
TBB Omega Ratio Rank: 33
TBB Calmar Ratio Rank: 41
TBB Martin Ratio Rank: 42

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.

TBC vs. TBB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AT&T Inc. 5.625% Global Notes d (TBC) and AT&T Inc. 5.35% GLB NTS 66 (TBB). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	TBC	TBB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	0.06	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.06	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.28	—

Drawdowns

Drawdown Indicators

	TBC	TBB	Difference
Max Drawdown Largest peak-to-trough decline	—	-16.09%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-9.90%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-12.94%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-15.68%	—
Current Drawdown Current decline from peak	—	-9.90%	—
Average Drawdown Average peak-to-trough decline	—	-3.28%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	4.70%	—

Volatility

Volatility by Period

	TBC	TBB	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	1.80%	—
Volatility (6M) Calculated over the trailing 6-month period	—	5.06%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	8.82%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	11.12%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	10.95%	—

Dividends

TBC vs. TBB - Dividend Comparison

TBC has not paid dividends to shareholders, while TBB's dividend yield for the trailing twelve months is around 6.44%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
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%
TBC AT&T Inc. 5.625% Global Notes d	0.00%	0.00%	5.63%	5.68%	6.20%	5.18%	5.00%	5.11%	1.52%

Financials

Frequently Asked Questions

Can I hold both TBC and TBB in my portfolio?

TBC and TBB have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.