Common Shareholders Equity-5 Year Interim Trend Volatility

This is an Interim Trend Volatility of Common Shareholders Equity over 5 years. Trend Volatility is derived by subtract the log linear Estimated index value (in index value units) from the Actual index value and divide by the Estimated index value to derive a % deviation. Repeat this for each observation and average the .absolute. results to derive a % Mean Absolute Deviation. Express this result as a percentage. Required 11 latest semi-annual or 21 latest quarterly periods. Common Shareholder's Equity, this is the Total Shareholder's Equity as of the most recent annual period Balance Sheet minus Preferred Stock and Redeemable Preferred Stock.