# Api returns different data when stock market is closed

**URL:** <https://forum.alpaca.markets/t/api-returns-different-data-when-stock-market-is-closed/12189>\
**Category:** Alpaca Market Data\
**Created:** [April 13, 2023, 7:03pm UTC](https://forum.alpaca.markets/t/api-returns-different-data-when-stock-market-is-closed/12189 "2023-04-13T19:03:09Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![orpiczy](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.alpaca.markets/orpiczy/32/5302_2.png) [@orpiczy](https://forum.alpaca.markets/u/orpiczy)\
**Post date:** [April 13, 2023, 7:03pm UTC](https://forum.alpaca.markets/t/api-returns-different-data-when-stock-market-is-closed/12189/1 "2023-04-13T19:03:09Z")

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Why is alpaca api returning different data before 9:30 and after 4 pm. Shouldn’t be the market closed at that time and prices constant?

 ![image](https://us1.discourse-cdn.com/flex020/uploads/alp/original/2X/7/776048aa01b3ff492636f86ab5b02493f26db7c9.png)

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**Author:** ![Bomin\_Zhang](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.alpaca.markets/bomin_zhang/32/5275_2.png) [@Bomin\_Zhang](https://forum.alpaca.markets/u/Bomin_Zhang)\
**Post date:** [April 13, 2023, 8:18pm UTC](https://forum.alpaca.markets/t/api-returns-different-data-when-stock-market-is-closed/12189/2 "2023-04-13T20:18:41Z")

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There is a thing called after market (and a pre market)