[otaconjh]

Which can be viewed as market manipulation. I'm not in US either but it looks pretty dodgy on their part. A key message of all these new trading platforms is that your capital is at risk. Their users know this, so why are they restricting trades?

[betterunix2]

They are restricting trades because this looks like a possible crime, and they do not want to be known as crime-friendly brokerages. "Your capital is at risk" is not the same as "it's a free for all."