You can change your out-of-stock display settings in [Products>Categories>Product Categories].
Settings
1. [Advanced Mode] - Go to [Products>Categories>Product categories] on your admin page.
[Smart Mode] - Go to [Products>Product categories] on your admin page.
2. Select a display option in [Display out-of-stock product].
- Last in product list: Out-of-stock products will be displayed last regardless of the display order.
- Among other products: Products will be displayed in the currently display order, regardless of whether the product is out-of-stock.
3. When you have completed all your changes, click [Save].