Definition of Margin of safety

Margin of safety

A measure of the difference between the anticipated and breakeven levels of activity.

margin of safety

the excess of the budgeted or actual sales
of a company over its breakeven point; it can be calculated
in units or dollars or as a percentage; it is equal to
(1 - degree of operating leverage)

Dollar safety margin

The dollar equivalent of the safety cushion for a portfolio in a contingent immunization
strategy.

Margin call

A demand for additional funds because of adverse price movement. Maintenance margin
requirement, security deposit maintenance
margin of safety With respect to working capital management, the difference between 1) the amount of longterm
financing, and 2) the sum of fixed assets and the permanent component of current assets.

degree of operating leverage

a factor that indicates how a percentage change in sales, from the existing or current
level, will affect company profits; it is calculated as contribution
margin divided by net income; it is equal to (1 - margin of safety percentage)

After-tax profit margin

The ratio of net income to net sales.

Before-tax profit margin

The ratio of net income before taxes to net sales.

Buy on margin

A transaction in which an investor borrows to buy additional shares, using the shares
themselves as collateral.

Contribution margin

The difference between variable revenue and variable cost.

Effective margin (EM)

Used with SAT performance measures, the amount equaling the net earned spread, or
margin, of income on the assets in excess of financing costs for a given interest rate and prepayment rate
scenario.

Gross profit margin

Gross profit divided by sales, which is equal to each sales dollar left over after paying
for the cost of goods sold.

Initial margin requirement

When buying securities on margin, the proportion of the total market value of
the securities that the investor must pay for in cash. The Security Exchange Act of 1934 gives the board of
governors of the Federal Reserve the responsibility to set initial margin requirements, but individual
brokerage firms are free to set higher requirements. In futures contracts, initial margin requirements are set by
the exchange.

Maintenance margin requirement

A sum, usually smaller than -but part of the original margin, which must
be maintained on deposit at all times. If a customer's equity in any futures position drops to, or under, the
maintenance margin level, the broker must issue a margin call for the amount at money required to restore the
customer's equity in the account to the original margin level. Related: margin, margin call.

Margin

This allows investors to buy securities by borrowing money from a broker. The margin is the
difference between the market value of a stock and the loan a broker makes. Related: security deposit (initial).

Margin account (Stocks)

A leverageable account in which stocks can be purchased for a combination of
cash and a loan. The loan in the margin account is collateralized by the stock and, if the value of the stock
drops sufficiently, the owner will be asked to either put in more cash, or sell a portion of the stock. margin
rules are federally regulated, but margin requirements and interest may vary among broker/dealers.

Margin requirement (Options)

The amount of cash an uncovered (naked) option writer is required to
deposit and maintain to cover his daily position valuation and reasonably foreseeable intra-day price changes.

Marginal

Incremental.

Marginal tax rate

The tax rate that would have to be paid on any additional dollars of taxable income earned.

Net operating margin

The ratio of net operating income to net sales.

Net profit margin

Net income divided by sales; the amount of each sales dollar left over after all expenses
have been paid.

Operating profit margin

The ratio of operating margin to net sales.

Original margin

The margin needed to cover a specific new position. Related: margin, security deposit (initial)

Profit margin

Indicator of profitability. The ratio of earnings available to stockholders to net sales.
Determined by dividing net income by revenue for the same 12-month period. Result is shown as a
percentage.

Safety cushion

In a contingent immunization strategy, the difference between the initially available
immunization level and the safety-net return.

Safety-net return

The minimum available return that will trigger an immunization strategy in a contingent
immunization strategy.

Variation margin

An additional required deposit to bring an investor's equity account up to the initial margin
level when the balance falls below the maintenance margin requirement.

Margin

The amount added to a lower figure to reach a higher figure, expressed as a percentage of the higher figure, e.g. the margin that profit represents as a percentage of selling price.

Marginal cost

The cost of producing one extra unit.

contribution margin

An intermediate measure of profit equal to sales revenue
minus cost-of-goods-sold expense and minus variable operating
expenses—but before fixed operating expenses are deducted. Profit at
this point contributes toward covering fixed operating expenses and
toward interest and income tax expenses. The breakeven point is the
sales volume at which contribution margin just equals total fixed
expenses.

gross margin, or gross profit

This first-line measure of profit
equals sales revenue less cost of goods sold. This is profit before operating
expenses and interest and income tax expenses are deducted. Financial
reporting standards require that gross margin be reported in
external income statements. Gross margin is a key variable in management
profit reports for decision making and control. Gross margin
doesn’t apply to service businesses that don’t sell products.

unit margin

The profit per unit sold of a product after deducting product
cost and variable expenses of selling the product from the sales price of
the product. Unit margin equals profit before fixed operating expenses
are considered and before interest and income tax are deducted. Unit
margin is one of the key variables in a profit model for decision-making
analysis.

Profit Margin Ratio

A measure of how much profit is earned on each dollar of sales. It
is calculated by dividing the net income available for distribution to
shareholders by the total sales generated during the period.

contribution margin

the difference between selling price and
variable cost per unit or in total for the level of activity; it
indicates the amount of each revenue dollar remaining
after variable costs have been covered and going toward
the coverage of fixed costs and the generation of profits

contribution margin ratio

the proportion of each revenue dollar remaining after variable costs have been covered;
computed as contribution margin divided by sales

product contribution margin

the difference between selling price and variable cost of goods sold

product line margin

see segment margin

profit margin

the ratio of income to sales

safety stock

a buffer level of inventory kept on hand by a company in the event of fluctuating usage or unusual delays in lead time

segment margin

the excess of revenues over direct variable expenses and avoidable fixed expenses for a particular segment

total contribution margin

see contribution margin

Contribution margin

The margin that results when variable production costs are subtracted
from revenue. It is most useful for making incremental pricing decisions
where a company must cover its variable costs, though perhaps not all of its fixed
costs.

Gross margin

Revenues less the cost of goods sold.

Marginal cost

The incremental change in the unit cost of a product as a result of a
change in the volume of its production.

marginal tax rate

Additional taxes owed per dollar of additional income.

Marginal Propensity to Consume

Fraction of an increase in disposable income that is spent on consumption.

Marginal Propensity to Import

Fraction of an increase in disposable income that is spent on imports.

Marginal Propensity to Save

Fraction of an increase in disposable income that is saved.

Marginal Tax Rate

Percent of an increase in income paid in tax.

Contract Work Hours and Safety Standards Act

A federal Act requiring federal contractors to pay overtime for hours worked exceeding 40 per week.

EBITDA Margin

EBITDA divided by total sales or total revenue.

Gross Profit Margin

Gross profit divided by revenue.

Safety stock

Extra inventory kept on hand to guard against requirements
fluctuations.

Margin Tax Rate

The tax rate applicable to the last unit of income.

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