The ask size said .0035 / 10k , just dropped from .0036 / 70k --and that drop just dropped from .0037---there was total of less than 240k avail---so I put an order in for 400k at .0037 and it was filled in a nano second and the bid ask never changed---yet the volume increase showed the trade----the ask went back to .0037 showing 10k avail---