Can anybody explain the fact that Bitmain still holds on to the same price as before the halving?

We are happy to announce the long-awaited release of the Antminer S9. Its the worlds first commercially available bitcoin miner based on a 16nm process chip and, delivering 0.1J/GHs*, it is currently the most efficient bitcoin miner in existence.
If you can not afford it, do not buy it.