Price improvement occurs when your trade is executed at a price that's better than the quoted market price at the time you enter your order. Spreads vary based on the ETF's supply and demand, otherwise known as its 'liquidity.' For Vanguard ETFs®, spreads generally range from $0.01 to $0.25, although they may be wider in volatile markets. The 'bid-ask spread' is the difference between the current bid and ask prices for a specific ETF at a specific time. All averages are for index mutual funds and ETFs and are asset-weighted. The gross and net expense ratio, if shown, reflect the most current data. This is generally the price a buyer pays when placing a market order-although the price could be higher or lower based on the size of the order or any price improvement provided. Please consider the investment objectives, risks, fees and expenses carefully. The 'ask' price is the lowest price a seller is willing to accept for a specific ETF. Vanguard International Core Stock Fund Investor Shares. Vanguard Emerging Markets Bond Fund Admiral Shares. Vanguard Emerging Markets Bond Fund Investor Shares. This is generally the price a seller receives when placing a market order-although the price could be higher or lower based on the size of the order or any price improvement provided (see 'What is 'price improvement'?' below). Change (in basis points) Vanguard Core Bond Fund Investor Shares. Vanguard Total International Bond (BNDX) at 0.07.

Vanguard Total US Bond Market (BND) at 0.03. Vanguard Total International Stock Market (VXUS) at 0.07. The 'bid' price is the highest price a buyer is willing to pay for a specific ETF. Here are the current expense ratios on the four broadest ones + their classic S&P 500 ETF: Vanguard Total US Stock Market (VTI) at 0.03.

Vanguard expense ratio