ATT Inc has current Value At Risk of

(2.13). Value At Risk (or VAR) is statistical technique used to measure the level of financial risk of investment instrument over a specific time frame. It is a widely used measure of the risk of loss on a specific investing instrument.

ATT | Value At Risk | **=** | ER[a] x N | + | (Z-SCORE x STD x SQRT (N)) |
| = | (2.13) | |

ER[a] | **=** | Expected return on investing in ATT | STD | **=** | Standard Deviation of ATT | N | **=** | Number of points for the period | Z-SCORE | **=** | Number of standard deviations above or below the mean |
| |

## Value At Risk Comparison

ATT Inc is rated

**below average** in value at risk category among related companies. It is rated

**below average** in maximum drawdown category among related companies .

Value At Risk is used by risk managers in order to measure and control the level of risk which the firm undertakes. The risk manager job is to ensure that risks are not taken beyond the level at which the firm can absorb the losses of a probable worst outcome. VAR can be defined as the loss level that will not be exceeded with a certain confidence level during a certain period of time.