With this extension you can make unlimited stock status and assign them to the products.
Live demo
Back-end
Front-end

Features

• Unlimited custom stock status for products, each status can have a title and a description
  
• Multi language
  
• Add or delete custom status to products in bulk
  
• Can override default out of stock and in stock status

Install Instructions
- Login to your OpenCart Administration panel
- Go to Extensions > Installer and upload zip file suited for your OpenCart version
- Go to Extensions > Extensions > module > Custom Stock Status For Products > Install, enable and save.
- Go to Extensions > Modifications and click Refresh
- Go to Dashboard > Developer Settings (gear icon) > Refresh

Free Installation and Support

• sabeti05 [AT] gmail.com
• DigitCart Support

No core files are changed or replaced.