# How can I calculate the drawdown of a series using Macrobond?

The easiest way to calculate a series' drawdown in Macrobond is by using our drawdown formula. You can type the following expression directly into the series list, or into a Formula analysis:

Drawdown(series)

This calculates the peak-to-trough decline since the last peak or since the first value. The output is expressed as “positive” percentage: 50 should be interpreted as a 50% decline since the last peak.