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How to Calculate the Weighted Average Trade Price

By Motley Fool Staff – Updated Nov 7, 2025 at 8:50 PM EST
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Key Points

  • Weighted Average Trade Price (WATP) balances trade values against their quantities.
  • Calculate WATP by multiplying each trade's price by its volume, then summing them.
  • Divide the summed product by total volume to find the average price per trade.
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Purchase
Share Price
Number of Shares
1
$150
25
2
$250
15
3
$300
10
4
$400
10
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Purchase
Share Price
Number of Shares
Share Price x Number of Shares
1
$150
25
$3,750
2
$250
15
$3,750
3
$300
10
$3,000
4
$400
10
$4,000
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Screenshot 2025-11-07 at 7.47.29 PM
The Motley Fool has positions in and recommends Amazon. The Motley Fool has a disclosure policy.

Stocks Mentioned

Amazon Stock Quote
Amazon
NASDAQ: AMZN
$210.92
(+1.78%)+$3.68

*Average returns of all recommendations since inception. Cost basis and return based on previous market day close.

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