# daily_yearly: Convert Daily Gain to X-year Gain In stocks: Fast Functions for Stock Market Analysis

## Description

Converts a daily proportion gain to a corresponding annual (or several year) gain. For example, an investment that gains 0.1% per day would gain approximately 28.5% in a year (252 trading days). The formula is: total.gain = (1 + daily.gain) ^ (252 * years) - 1. Here total.gain and daily.gain are proportions, e.g. 0.15 for 15%.

## Usage

 1 daily.yearly(daily.gain, years = 1)

## Arguments

 daily.gain Numeric value (or vector) representing the daily proportion gain of an investment. years Number of years over which you would like to calculate the corresponding total gain. For example, set to 3 if you wish to calculate the 3-year gain for an investment that has a daily gain of daily.gain.

## Value

Numeric value indicating total gain.

## Author(s)

Dane R. Van Domelen

## References

Acknowledgment: This material is based upon work supported by the National Science Foundation Graduate Research Fellowship under Grant No. DGE-0940903.