ELI5: Explain Like I'm 5

Volume-weighted average price

The volume-weighted average price (VWAP) is like finding the average price of everything you bought, based on how much you bought.

Imagine you went to the store with $10 and you bought four items: a candy bar for $1, a soda for $2, a toy for $5, and a book for $2. If you just added up the prices and divided by four, your average cost would be $2.50.

But what if you bought a lot more of one item than the others? Let's say you bought 10 candy bars for $1 each. Your average cost would still be $2.50 if you just did the straight-up average, but that doesn't really represent what you bought because you spent most of your money on candy bars.

This is where VWAP comes in. It takes into account the volume, or the amount, of each item you bought. For example, if you bought 10 candy bars for $1 each and one book for $2, your VWAP would be closer to $1.10 because you spent a lot more on the cheaper candy bars.

In finance, VWAP is used to calculate the average price of a security (like a stock) over a certain period of time, based on how much of it was bought and sold during that time. This can be useful for traders and investors to get a better sense of the true price of a security, since just looking at the straight-up average won't necessarily reflect how much of it was actually bought and sold.
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