ATO vs. CIB
ATO (Atmos Energy Corporation) and CIB (Bancolombia S.A.) are both stocks. ATO operates in Utilities - Regulated Gas (Utilities), while CIB operates in Banks - Regional (Financial Services). Over the past 10 years, ATO returned 10.94%/yr vs 16.30%/yr for CIB. At a 0.16 correlation, their price movements are largely independent.
Performance
ATO vs. CIB - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, ATO achieves a 2.53% return, which is significantly lower than CIB's 28.33% return. Over the past 10 years, ATO has underperformed CIB with an annualized return of 10.94%, while CIB has yielded a comparatively higher 16.30% annualized return.
ATO
- 1D
- 1.03%
- 1M
- -5.02%
- YTD
- 2.53%
- 6M
- 2.08%
- 1Y
- 12.47%
- 3Y*
- 15.86%
- 5Y*
- 13.58%
- 10Y*
- 10.94%
CIB
- 1D
- -0.78%
- 1M
- 26.10%
- YTD
- 28.33%
- 6M
- 27.75%
- 1Y
- 91.39%
- 3Y*
- 58.49%
- 5Y*
- 32.29%
- 10Y*
- 16.30%
ATO vs. CIB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ATO Atmos Energy Corporation | 2.53% | 23.07% | 23.35% | 6.17% | 9.63% | 12.75% | -12.73% | 23.14% | 10.39% | 18.41% |
CIB Bancolombia S.A. | 28.33% | 124.16% | 13.78% | 22.08% | -0.31% | -20.69% | -22.31% | 47.45% | -0.72% | 11.41% |
Correlation
The correlation between ATO and CIB is -0.05, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.05 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.05 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.12 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.12 |
Correlation (All Time) Calculated using the full available price history since Jul 26, 1995 | 0.16 |
The correlation between ATO and CIB shifts across timeframes, from -0.05 (1 year) to 0.16 (all time), reflecting how their relationship changes across market environments.
Fundamentals
ATO:
$28.52B
CIB:
$19.03B
ATO:
$8.23
CIB:
COP 29.17K
ATO:
20.66
CIB:
9.58
ATO:
2.03
CIB:
0.57
ATO:
5.70
CIB:
1.54
ATO:
0.99
CIB:
1.82
ATO:
$4.88B
CIB:
COP 43.34T
ATO:
$1.61B
CIB:
COP 25.71T
ATO:
$2.57B
CIB:
COP 10.37T
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
ATO vs. CIB — Risk / Return Rank
ATO
CIB
ATO vs. CIB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Atmos Energy Corporation (ATO) and Bancolombia S.A. (CIB). 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.
| ATO | CIB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.01 | ||
| Sortino ratioReturn per unit of downside risk | -2.40 | ||
| Omega ratioGain probability vs. loss probability | 1.15 | 1.46 | -0.31 |
| Calmar ratioReturn relative to maximum drawdown | 1.00 | 3.84 | -2.84 |
| Martin ratioReturn relative to average drawdown | 2.99 | 9.49 | -6.50 |
Loading charts...
Drawdowns
ATO vs. CIB - Drawdown Comparison
The maximum ATO drawdown since its inception was -51.94%, smaller than the maximum CIB drawdown of -93.77%. Use the drawdown chart below to compare losses from any high point for ATO and CIB.
Loading charts...
Drawdown Indicators
| ATO | CIB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -51.94% | -93.77% | +41.83% |
Max Drawdown (1Y)Largest decline over 1 year | -12.58% | -23.95% | +11.37% |
Max Drawdown (3Y)Largest decline over 3 years | -16.87% | -23.95% | +7.08% |
Max Drawdown (5Y)Largest decline over 5 years | -19.08% | -46.85% | +27.77% |
Max Drawdown (10Y)Largest decline over 10 years | -32.91% | -70.38% | +37.47% |
Current DrawdownCurrent decline from peak | -11.11% | -3.43% | -7.68% |
Average DrawdownAverage peak-to-trough decline | -8.56% | -32.62% | +24.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.18% | 9.66% | -5.48% |
Volatility
ATO vs. CIB - Volatility Comparison
The current volatility for Atmos Energy Corporation (ATO) is 5.26%, while Bancolombia S.A. (CIB) has a volatility of 13.98%. This indicates that ATO experiences smaller price fluctuations and is considered to be less risky than CIB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| ATO | CIB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.26% | 13.98% | -8.72% |
Volatility (6M)Calculated over the trailing 6-month period | 11.25% | 27.21% | -15.96% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.54% | 32.55% | -17.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.59% | 32.85% | -14.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.24% | 35.79% | -14.55% |
Dividends
ATO vs. CIB - Dividend Comparison
ATO's dividend yield for the trailing twelve months is around 2.28%, more than CIB's 1.52% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATO Atmos Energy Corporation | 2.28% | 2.15% | 2.36% | 2.61% | 2.48% | 2.44% | 2.46% | 1.92% | 2.14% | 2.14% | 2.31% | 2.52% |
CIB Bancolombia S.A. | 1.52% | 6.90% | 10.96% | 10.92% | 10.68% | 0.87% | 4.01% | 2.41% | 3.62% | 3.21% | 3.21% | 4.49% |
Financials
ATO vs. CIB - Financials Comparison
This section allows you to compare key financial metrics between Atmos Energy Corporation and Bancolombia S.A.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
ATO vs. CIB - Profitability Comparison
ATO - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Atmos Energy Corporation reported a gross profit of 0.00 and revenue of 1.96B. Therefore, the gross margin over that period was 0.0%.
CIB - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Bancolombia S.A. reported a gross profit of 6.19T and revenue of 10.46T. Therefore, the gross margin over that period was 59.2%.
ATO - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Atmos Energy Corporation reported an operating income of 764.80M and revenue of 1.96B, resulting in an operating margin of 39.0%.
CIB - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Bancolombia S.A. reported an operating income of 2.15T and revenue of 10.46T, resulting in an operating margin of 20.5%.
ATO - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Atmos Energy Corporation reported a net income of 581.90M and revenue of 1.96B, resulting in a net margin of 29.7%.
CIB - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Bancolombia S.A. reported a net income of 1.46T and revenue of 10.46T, resulting in a net margin of 13.9%.
Frequently Asked Questions
ATO and CIB have a correlation of -0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CIB has higher volatility (13.98%) compared to ATO (5.26%). In terms of maximum drawdown, ATO dropped -51.94% vs CIB's -93.77%.
CIB currently has the higher Sharpe Ratio (2.82 vs 0.81), 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.
Find the right allocation for ATO and CIB
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