How can I prevent selling out of stock items on my platform?

Topic summary

Multiple Shopify merchants are experiencing a critical inventory management issue where products continue to sell even after stock reaches zero.

The Problem:

  • Items sell beyond available inventory despite having “Track Quantity” enabled and “Continue selling when out of stock” disabled
  • When inventory hits zero, the system shows “1 in committed” and allows additional sales
  • This primarily affects clearance items that won’t be restocked

Attempted Solutions:

  • One user confirmed both “Track Quantity” is checked and proper inventory settings are configured
  • A screenshot was shared showing the inventory settings (though details unclear)
  • Reference provided to Shopify’s inventory tracking documentation

Current Status:

  • The issue remains unresolved and is affecting multiple store owners
  • Merchants are forced to issue refunds and provide discount codes to affected customers
  • No confirmed fix or solution has been identified
  • Store owners report this damages their business reputation and creates ongoing customer service burden
Summarized with AI on November 24. AI used: claude-sonnet-4-5-20250929.

Hi, How can I stop Shopify selling a product even if it is ‘Out of Stock’ I do not have the ‘Continue selling when out of stock’ box ticked as these items are quite often clearance items that we will never have again. I had 1 item which was sold twice even though the qty in stock was 1 which ended up as zero after the first sale but the item ended up being sold again some days later. and now is set to ‘committed’

Hi @valentinewigs ,

Did you have Track Quantity check? Here is the documentation.

Yes that was ticked and a qty of 1 was put on. This was sold and therefore no more should have been sold but the next we knew we had an order for another 1 even though the qty had gone to zero, it had placed a 1 in committed. This has happened a few times with different products and as far as we are aware it should not happen unless we have a setting somewhere else we need to set.

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Following. This continues to happen to us. I updated an item’s inventory to 0 this morning. This afternoon one sold. Inventory continues to show zero. Track quantity is ticked, continue to sell… is not ticked. WHAT GIVES???

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I am having the same issue!!! It’s very frustrating and makes my Boutique look bad that i have to continue to refund customers!!! Did you ever find a fix for this???

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Did someone help you find a fix for this?? I’m at my wits ends!! I’m constantly having to write customers emails, give a future discount code and refund them!!

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