# Stock statistics¶

## Definitions¶

The total number of all stock quotes which were registered by a strategy during it’s execution.
The price of an instrument at the moment , was the strategy is running.

## Simple statistics¶

First Stock Date
It is the price of an instrument just after the strategy has started. It is denoted by .
Last Stock Date
It is the price of an instrument just before the strategy has stopped. It is denoted by .
Highest Price Stock Reached
It is the highest price of an instrument in a time when a strategy is running. It is defined in the following way:

Lowest Price Stock Reached
It is the lowest price of an instrument in a time when a strategy is running. It is defined in the following way:

## Other statistics¶

Max Drowdown Stock
It is the maximum drowdown of a stock prices in a time when a strategy is running. It is defined in the following way:

Ulcer index
The Ulcer index is computed in the following way: