Returns the highest value of prices over all values given.
Returns a series which contains the higher highs values of prices array within a given
period considering a look back period of n days.

# Syntax

#### Parameters

*seriesName*
- The name of the series which will be displayed on the chart, i.e. its label.
*s*
- An series of length equal or greater to the number of
periods considered in the indicator evaluation where the first
element is the closing price in the last trading period, the
second term is the closing price in the previous trading period and so on.
*noOfDays*
- The number of days before to which the closing price
is compared.

#### Return Value

a series where the first term is the high calculated for the most recent trading
period, the second term is the high for the previous trading period and so on.

# Exceptions

Exception | Description |

ArgumentException | Thrown if the given series has strictly negative
elements or if the noOfDays argument is greater then the length of prices
array. |

# See Also