Valve has ended production of the Valve Index.

Remaining headsets, controllers and accessories are still available at new prices while supplies last. If you already own an Index, nothing changes: it remains supported on Steam and SteamVR.

Valve Index is no longer being produced. Remaining Index headsets, controllers, and accessories are still available at the new prices below while supplies last.

If you already own an Index, nothing changes - it is still supported on Steam and SteamVR. If you need help with your hardware, Steam Support is here.

Source: Steam