Back-in-stock alerts

  • Useful when the right inventory will return soon.
  • Captures future demand after the shopper leaves.
  • Does not recover the current session.
  • Simple, but passive.

Virtual inventory

  • Useful when size substitution is operationally feasible.
  • Recovers demand before the session dies.
  • Needs safeguards and rollout discipline.
  • Active, but operationally heavier.
Next step

If you need to recover the current session, read the virtual inventory page.