# Market data bid/ask volume

**URL:** <https://forum.alpaca.markets/t/market-data-bid-ask-volume/7834>\
**Category:** Alpaca Trading\
**Created:** [December 30, 2021, 3:46am UTC](https://forum.alpaca.markets/t/market-data-bid-ask-volume/7834 "2021-12-30T03:46:05Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Andreas1](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.alpaca.markets/andreas1/32/3488_2.png) [@Andreas1](https://forum.alpaca.markets/u/Andreas1)\
**Post date:** [December 30, 2021, 3:46am UTC](https://forum.alpaca.markets/t/market-data-bid-ask-volume/7834/1 "2021-12-30T03:46:05Z")

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Hi, I’m looking to calculate the bid/ask volume from the Trades API but don’t see anything in the resultant data that I can use… When calling getTradesV2 I can get the total number of trades and the price but want to determine on what side they traded. Anybody have any ideas? Thanks!