# Using Lazer after market hours

**URL:** <https://dev-forum.pyth.network/t/using-lazer-after-market-hours/423>\
**Category:** Price Feeds\
**Created:** [September 30, 2025, 1:33am UTC](https://dev-forum.pyth.network/t/using-lazer-after-market-hours/423 "2025-09-30T01:33:34Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![0xjimmy](https://avatars.discourse-cdn.com/v4/letter/0/c89c15/32.png) [@0xjimmy](https://dev-forum.pyth.network/u/0xjimmy)\
**Post date:** [September 30, 2025, 1:33am UTC](https://dev-forum.pyth.network/t/using-lazer-after-market-hours/423/1 "2025-09-30T01:33:34Z")

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Docs do not specify for Lazer, what will the websocket API provide price updates even when an asset is not in an active trading session?  
[https://docs.pyth.network/lazer/subscribe-price-updates](https://docs.pyth.network/lazer/subscribe-price-updates)

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**Author:** ![ali](https://avatars.discourse-cdn.com/v4/letter/a/8c91f0/32.png) [@ali](https://dev-forum.pyth.network/u/ali)\
**Post date:** [September 30, 2025, 12:30pm UTC](https://dev-forum.pyth.network/t/using-lazer-after-market-hours/423/2 "2025-09-30T12:30:42Z")

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The websocket API provides an update even when the market is closed but the price will be None.

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**Author:** ![0xjimmy](https://avatars.discourse-cdn.com/v4/letter/0/c89c15/32.png) [@0xjimmy](https://dev-forum.pyth.network/u/0xjimmy)\
**Post date:** [September 30, 2025, 8:43pm UTC](https://dev-forum.pyth.network/t/using-lazer-after-market-hours/423/3 "2025-09-30T20:43:54Z")

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Does this data have a proof?

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**Author:** ![ali](https://avatars.discourse-cdn.com/v4/letter/a/8c91f0/32.png) [@ali](https://dev-forum.pyth.network/u/ali)\
**Post date:** [October 1, 2025, 8:13am UTC](https://dev-forum.pyth.network/t/using-lazer-after-market-hours/423/4 "2025-10-01T08:13:52Z")

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All the updates are verifiable. You can proof that it is None for that given time.