COR vs. T

Last updated Jul 22, 2026

COR (Cencora Inc.) and T (AT&T Inc.) are both stocks. COR operates in Medical Distribution (Healthcare), while T operates in Telecom Services (Communication Services). Over the past 10 years, COR returned 16.82%/yr vs 2.24%/yr for T. At a 0.21 correlation, their price movements are largely independent.

Performance

COR vs. T - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cencora Inc. (COR) and AT&T Inc. (T). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COR achieves a -9.91% return, which is significantly lower than T's -5.73% return. Over the past 10 years, COR has outperformed T with an annualized return of 16.82%, while T has yielded a comparatively lower 2.24% annualized return.

COR

• 1D: -0.30%
• 1M: 11.49%
• 6M: -13.23%
• YTD: -9.91%
• 1Y: 4.34%
• 3Y*: 17.32%
• 5Y*: 22.16%
• 10Y*: 16.82%
• ALL TIME*: 17.64%

T

• 1D: 1.41%
• 1M: 4.07%
• 6M: -1.30%
• YTD: -5.73%
• 1Y: -13.56%
• 3Y*: 21.50%
• 5Y*: 7.35%
• 10Y*: 2.24%
• ALL TIME*: 9.38%

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

COR vs. T - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COR Cencora Inc.	-9.91%	51.48%	10.37%	25.33%	26.26%	44.09%	23.37%	23.51%	-17.57%	19.51%
T AT&T Inc.	-5.73%	13.97%	44.08%	-2.74%	5.76%	-8.09%	-21.37%	45.55%	-22.25%	-4.01%

Correlation

The correlation between COR and T is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.16
Correlation (3Y) Calculated over the trailing 3-year period	0.21
Correlation (5Y) Calculated over the trailing 5-year period	0.27
Correlation (10Y) Calculated over the trailing 10-year period	0.30
Correlation (All Time) Calculated using the full available price history since Apr 4, 1995	0.21

The correlation between COR and T shifts across timeframes, from 0.16 (1 year) to 0.30 (10 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap COR : $58.97B T : $154.67B
EPS COR : $13.08 T : $3.05
PE Ratio COR : 23.17 T : 7.30
PEG Ratio COR : 11.01 T : 0.30
PS Ratio COR : 0.18 T : 1.27
Total Revenue (TTM) COR : $328.68B T : $125.65B
Gross Profit (TTM) COR : $11.66B T : $105.41B
EBITDA (TTM) COR : $3.64B T : $54.70B

Return for Risk

COR vs. T — Risk / Return Rank

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

COR

COR Risk / Return Rank: 48
COR Sharpe Ratio Rank: 51
COR Sortino Ratio Rank: 44
COR Omega Ratio Rank: 46
COR Calmar Ratio Rank: 49
COR Martin Ratio Rank: 50

T

T Risk / Return Rank: 22
T Sharpe Ratio Rank: 19
T Sortino Ratio Rank: 19
T Omega Ratio Rank: 20
T Calmar Ratio Rank: 29
T Martin Ratio Rank: 23

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.

COR vs. T - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cencora Inc. (COR) and AT&T Inc. (T). 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.

	COR	T	Difference
Sharpe ratio: Return per unit of total volatility	0.14	-0.58	+0.72
Sortino ratio: Return per unit of downside risk	0.37	-0.68	+1.05
Omega ratio: Gain probability vs. loss probability	1.06	0.92	+0.14
Calmar ratio: Return relative to maximum drawdown	0.13	-0.47	+0.61
Martin ratio: Return relative to average drawdown	0.32	-1.04	+1.37

COR vs. T - Sharpe Ratio Comparison

The current COR Sharpe Ratio is 0.14, which is higher than the T Sharpe Ratio of -0.58. The chart below compares the historical Sharpe Ratios of COR and T, 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

COR vs. T - Drawdown Comparison

The maximum COR drawdown since its inception was -71.01%, which is greater than T's maximum drawdown of -64.15%. Use the drawdown chart below to compare losses from any high point for COR and T.

Drawdown Indicators

	COR	T	Difference
Max Drawdown Largest peak-to-trough decline	-71.01%	-64.15%	-6.86%
Max Drawdown (1Y) Largest decline over 1 year	-32.44%	-28.89%	-3.55%
Max Drawdown (3Y) Largest decline over 3 years	-32.44%	-28.89%	-3.55%
Max Drawdown (5Y) Largest decline over 5 years	-32.44%	-32.01%	-0.43%
Max Drawdown (10Y) Largest decline over 10 years	-32.44%	-42.35%	+9.91%
Current Drawdown Current decline from peak	-18.80%	-20.46%	+1.66%
Average Drawdown Average peak-to-trough decline	-13.65%	-15.74%	+2.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	13.49%	13.01%	+0.48%

Volatility

COR vs. T - Volatility Comparison

The current volatility for Cencora Inc. (COR) is 7.80%, while AT&T Inc. (T) has a volatility of 9.45%. This indicates that COR experiences smaller price fluctuations and is considered to be less risky than T based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COR	T	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.80%	9.45%	-1.65%
Volatility (6M) Calculated over the trailing 6-month period	27.74%	19.94%	+7.80%
Volatility (1Y) Calculated over the trailing 1-year period	30.78%	23.72%	+7.06%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.46%	24.39%	-1.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.54%	23.92%	+3.62%

Dividends

COR vs. T - Dividend Comparison

COR's dividend yield for the trailing twelve months is around 0.78%, less than T's 6.49% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COR Cencora Inc.	0.78%	0.67%	0.93%	0.96%	1.13%	5.13%	6.74%	7.48%	2.07%	1.61%	1.77%	1.17%
T AT&T Inc.	6.49%	4.47%	4.87%	6.62%	6.66%	8.46%	7.23%	5.22%	7.01%	5.04%	4.51%	5.46%

Financials

Frequently Asked Questions

Can I hold both COR and T in my portfolio?

COR and T have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COR or T?

T has higher volatility (9.45%) compared to COR (7.80%). In terms of maximum drawdown, COR dropped -71.01% vs T's -64.15%.

Which has better risk-adjusted returns?

COR currently has the higher Sharpe Ratio (0.14 vs -0.58), 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.