27% is less than 30% of what you need to maintain an open trade.
The broker now has the right to close the trade and to send you a notification about what happened.
You will receive a margin call to instruct you to deposit more money into your account or to close your trading positions.
Q&A: What if I can't pay back the money when I hit a Margin Call?
Essentially, you will be owing the broker as they will not be carrying the risk.
If you cannot pay it or refuse to clear the negative balance, you will not be allowed to trade with the broker and/or trading platform again until you pay what you owe.
Depending on the size of the debt, if you refuse to pay it then some brokers may have the legal right to pursue the outstanding debt through legal means.
This means they could file a lawsuit.
They could even take the matter to court, where a judgement may be issued where the trader will be required to repay the debt.
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