CIB vs. ATO
CIB (Bancolombia S.A.) and ATO (Atmos Energy Corporation) are both stocks. CIB operates in Banks - Regional (Financial Services), while ATO operates in Utilities - Regulated Gas (Utilities). Over the past 10 years, CIB returned 16.30%/yr vs 10.94%/yr for ATO. At a 0.16 correlation, their price movements are largely independent.
Performance
CIB vs. ATO - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, CIB achieves a 28.33% return, which is significantly higher than ATO's 2.53% return. Over the past 10 years, CIB has outperformed ATO with an annualized return of 16.30%, while ATO has yielded a comparatively lower 10.94% annualized return.
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
- 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 vs. ATO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CIB Bancolombia S.A. | 28.33% | 124.16% | 13.78% | 22.08% | -0.31% | -20.69% | -22.31% | 47.45% | -0.72% | 11.41% |
ATO Atmos Energy Corporation | 2.53% | 23.07% | 23.35% | 6.17% | 9.63% | 12.75% | -12.73% | 23.14% | 10.39% | 18.41% |
Correlation
The correlation between CIB and ATO 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 CIB and ATO shifts across timeframes, from -0.05 (1 year) to 0.16 (all time), reflecting how their relationship changes across market environments.
Fundamentals
CIB:
$19.03B
ATO:
$28.52B
CIB:
COP 29.17K
ATO:
$8.23
CIB:
9.58
ATO:
20.66
CIB:
0.57
ATO:
2.03
CIB:
1.54
ATO:
5.70
CIB:
1.82
ATO:
0.99
CIB:
COP 43.34T
ATO:
$4.88B
CIB:
COP 25.71T
ATO:
$1.61B
CIB:
COP 10.37T
ATO:
$2.57B
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
CIB vs. ATO — Risk / Return Rank
CIB
ATO
CIB vs. ATO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Bancolombia S.A. (CIB) and Atmos Energy Corporation (ATO). 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.
| CIB | ATO | 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 | 1.46 | 1.15 | +0.31 |
| Calmar ratioReturn relative to maximum drawdown | 3.84 | 1.00 | +2.84 |
| Martin ratioReturn relative to average drawdown | 9.49 | 2.99 | +6.50 |
Loading charts...
Drawdowns
CIB vs. ATO - Drawdown Comparison
The maximum CIB drawdown since its inception was -93.77%, which is greater than ATO's maximum drawdown of -51.94%. Use the drawdown chart below to compare losses from any high point for CIB and ATO.
Loading charts...
Drawdown Indicators
| CIB | ATO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -93.77% | -51.94% | -41.83% |
Max Drawdown (1Y)Largest decline over 1 year | -23.95% | -12.58% | -11.37% |
Max Drawdown (3Y)Largest decline over 3 years | -23.95% | -16.87% | -7.08% |
Max Drawdown (5Y)Largest decline over 5 years | -46.85% | -19.08% | -27.77% |
Max Drawdown (10Y)Largest decline over 10 years | -70.38% | -32.91% | -37.47% |
Current DrawdownCurrent decline from peak | -3.43% | -11.11% | +7.68% |
Average DrawdownAverage peak-to-trough decline | -32.62% | -8.56% | -24.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.66% | 4.18% | +5.48% |
Volatility
CIB vs. ATO - Volatility Comparison
Bancolombia S.A. (CIB) has a higher volatility of 13.98% compared to Atmos Energy Corporation (ATO) at 5.26%. This indicates that CIB's price experiences larger fluctuations and is considered to be riskier than ATO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| CIB | ATO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.98% | 5.26% | +8.72% |
Volatility (6M)Calculated over the trailing 6-month period | 27.21% | 11.25% | +15.96% |
Volatility (1Y)Calculated over the trailing 1-year period | 32.55% | 15.54% | +17.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 32.85% | 18.59% | +14.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 35.79% | 21.24% | +14.55% |
Dividends
CIB vs. ATO - Dividend Comparison
CIB's dividend yield for the trailing twelve months is around 1.52%, less than ATO's 2.28% 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
CIB vs. ATO - Financials Comparison
This section allows you to compare key financial metrics between Bancolombia S.A. and Atmos Energy Corporation. 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
CIB vs. ATO - Profitability Comparison
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 - 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 - 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 - 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 - 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%.
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%.
Frequently Asked Questions
CIB and ATO 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, CIB dropped -93.77% vs ATO's -51.94%.
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 CIB and ATO
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