Google Sheets offers many of the same features as Microsoft Excel. The SUMIF function allows you to quickly sum rows that meet certain criteria.

You can use SUMIF in Google Sheets to add numbers together that are associated with a date range, specific text, or meet a numeric criterion.

The Relative Vigor Index (RVI) measures the strength of a trend by comparing a closing price to the daily range. It is used to smooth out price fluctuations in trading.