Get TREASURY MONEY MARKET FUND AS OF 8/15/2011 Weighted Average Maturity (WAM) Weighted Average Life

Weighted average life refers to how long it would take for roughly half of the outstanding principal amount on a loan to be repaid. To calculate weighted average life, divide the loan's outstanding weighted total payments by the unweighted total payments.

Generally, for money market funds, WAM can be used primarily as a measure of relative sensitivity to interest rate changes. shortening” provisions of Rule 2a-7 permitted for purposes of calculating WAM. Because WAL does not reflect the rule's “maturity shortening” provisions, WAL will generally be higher than WAM.

Schwab Value Advantage Money Fund – Investor Shares (SWVXX) This Schwab money market fund invests in high-quality, short-term debt issued by the U.S. and foreign countries. The fund is actively managed to maintain sound credit ratings and high yields. Don't let the higher expense ratio worry you.

Weighted Average Maturity (WAM): 60-day maximum. 2. Weighted Average Life to Maturity (WAL): 120-day maximum. Money market funds must perform periodic stress tests, which generally measure a fund's ability to maintain liquid assets and minimize principal volatility during hypothetical test events.

The rules that govern money market mutual funds permit the funds to buy only securities that mature in 397 days or less.

On Tuesday, September 16, 2008, the $62.6 billion Reserve Primary Fund "broke the buck." That meant the fund managers couldn't maintain its share price at the $1 value. 1 Money market funds used that value as a benchmark. Investors were panicking after Monday's bankruptcy of Lehman Brothers.

The money market fund's weighted average life (WAL) is an average of the final maturities of all securities held in the portfolio, weighted by each security's percentage of net assets. This must not exceed 120 days by SEC Rule 2a-7.

Weighted Average Life Test: Measures the maximum weighted average life of a CLO loan portfolio to limit the risk of a portfolio maturing after the maturity of the CLO debt. A WAL test steps down as a CLO ages and often has a floor of three or four years.