Nothing to see here. Just more liquidity like this guy said and this guy said.
AMRN - 58,799 Quotes and 2 Trades. Time: 15:27:33
Freeze Time: 421 Quotes. No Trades
This is what HFT looks like upon close inspection
AMRN - 58,799 Quotes and 2 Trades. Time: 15:27:33
Here are the charts from the Nanex wizards
Large View: 975 milliseconds. 42001 quotes - No Trades
Freeze Time: 421 Quotes. No Trades
This is what HFT looks like upon close inspection