What is a 'Degree Of Combined Leverage  DCL'
A degree of combined leverage (DCL) is a leverage ratio that summarizes the combined effect that the degree of operating leverage (DOL) and the degree of financial leverage have on earnings per share (EPS), given a particular change in sales. This ratio can be used to help determine the most optimal level of financial and operating leverage to use in any firm.
BREAKING DOWN 'Degree Of Combined Leverage  DCL'
For illustration, the formula is:This ratio summarizes the effects of combining financial and operating leverage, and what effect this combination, or variations of this combination, has on the corporation's earnings. Not all corporations use both operating and financial leverage, but this formula can be used if they do. A firm with a relatively high level of combined leverage is seen as riskier than a firm with less combined leverage, as the high leverage means more fixed costs to the firm.
Degree of Operating Leverage
The degree of operating leverage measures the effects that operating leverage has on a company's earnings potential and indicates how earnings are affected by sales activity. The degree of operating leverage is calculated by dividing the percentage change of a company's earnings before interest and taxes (EBIT) by the percentage change of its sales over the same period.
Degree of Financial Leverage
The degree of financial leverage is calculated by dividing the percentage change in a company's EPS by its percentage change in EBIT. The ratio indicates how a company's EPS is affected by percentage changes in its EBIT. A higher degree of financial leverage means that the company has more volatile EPS.
Degree of Combined Leverage Example
As stated previously, the degree of combined leverage may be calculated by multiplying the degree of operating leverage by the degree of financial leverage. Assume hypothetical company SpaceRocket had an EBIT of $50 million for the current fiscal year and an EBIT of $40 million for the previous fiscal year, or a 25% increase year over year (YOY). SpaceRocket reported sales of $80 million for the current fiscal year and sales of $65 million for the previous fiscal year, a 23.08% increase. Additionally, SpaceRocket reported an EPS of $2.50 for the current fiscal year and an EPS of $2.00 for the previous fiscal year, a 25% increase.
Therefore, SpaceRocket had a degree of operating leverage of 1.08 and a degree of financial leverage of 1. Consequently, SpaceRocket had a degree of combined leverage of 1.08. For every 1% change in SpaceRocket's sales, its EPS would change by 1.08%.

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