### Weighted Average Life (WAL)

In most cases the rules require the use of the full contractual life or remaining contractual life when determining the weighted of life options. Based on the above restrictions of SAByou must confer with your auditors or consultants weighted the calculation of expected term for your non-employee grants and performance stock grants. A Weighty Matter. The weights are the annual principal repayments. The weights multiply their year number, and the products are totaled. In the example, the weighted total equals ($ x 1) + ($ x 2) + ($ x 3) + ($ x 4), or 2, dollar-years. Divide the weighted total by the bond face value to . The remaining contractual life is defined by the following equation: Prior to adoption of ASU , companies are required to re-measure non-employee option grants until they vest under ASC To comply, the expected term of non-employee option grants is .

### Weighted Average Remaining Life Stock Options

How to Calculate Reinvested Bond Interest Bonds typically pay back their principal, **calculate weighted average remaining life stock options**, or face value, all at once on their maturity date. However, some bonds - called amortizing bonds - yield periodic payments of principal over their lifetimes. The weighted average life WAL of amortizing bonds represents the length of time that the dollar amount of unpaid principal remains outstanding.

The math behind calculating a bond's WAL adds the individual "weighted" principal payment amounts over a certain number of years, which are then divided by the sum of the "unweighted" payments during that same number of years. Tip Calculating WAL lets investors or portfolio managers know how quickly an amortizing bond will pay out its returns, based on the paydowns of principal. A Weighty Matter The weights in the WAL calculation are the amounts of **calculate weighted average remaining life stock options** that will be returned in any particular year.

The weights are the annual principal repayments. The weights multiply their year number, and the products are totaled. Divide the weighted total by the bond face value to get the WAL. *Calculate weighted average remaining life stock options* reinvestment can be good or bad, depending on what has happened to prevailing interest rates since the bond was issued.

If rates have risen, you can earn a better return by buying higher-interest bonds with the proceeds from the original bond. The reverse is true if rates have fallen. Exploring Mortgage-Backed Securities Mortgage-backed securities MBS are bonds that provide principal and interest collected from pools of mortgages. Each bond has characteristics, such as interest rate and maturity date, that reflect the make-up of the mortgages in the pool.

The bonds pay holders a monthly mix of interest and principal that depends on actual payments made by mortgagees. If the mortgage holders prepay some or all of their loans during the month, the principal portion of the monthly bond payment will be higher than expected. Prepayments reduce WAL, meaning less interest income is earned over the life of the bond, and that life is shortened by each prepayment. This can be inconvenient to MBS bondholders who have made financial plans based upon the expected flow of principal and interest from their bonds.

For example, life insurance companies often secure their expected payouts with bond income. If the bond income drops due to a reduced WAL, *calculate weighted average remaining life stock options*, they are exposed to unsecured payout risk on their policies.

Tip You can also calculate the weighted average life of an entire bond portfolio, in which each payment results from a different bond's maturity.

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### Online Tutorial #6: How Do You Calculate The Cost of Employee Stock Options?

Apr 19, · What is 'Weighted Average Life - WAL'. The weighted average life (WAL) is the average length of time that each dollar of unpaid principal on a loan, a mortgage or an amortizing bond remains outstanding. Calculating the WAL shows an investor, an analyst or a portfolio manager how many years it will take to receive half the amount of the outstanding principal. Calculating Remaining Contractual Term: For a grant that has a 10 year contractual term and is years into its vesting, this is calculated as: 10 – = year remaining contractual term. It’s important to note that this term can never be less then the remaining vesting life of the grant. With a Black-Scholes value of $ per option, we estimate that the group has an expected pretax option equivalent value of $ billion. Thus, the estimated option forfeiture rate reduces the value of the group by approximately 12%. 3. Dilutive effect of employee stock options.