qis.compute_num_years

qis.compute_num_years(prices, days_per_year=365.25)

Compute number of years in price series.

Parameters:

• prices (DataFrame | Series) – Price time series. Valid uniquely dated histories are interpreted chronologically

• days_per_year (float) – Calendar days per year (default: 365.25)

Returns:

Number of years as float

Return type:

float