我用的broker是IB。今天下单被拒，出现类似于下面的提示：
IB, Order rejected - reason:Your order is not accepted because your Equity
with Loan Value of [9762.17 EUR] is insufficient to cover the Initial Margin
requirement of [12619.17 EUR]。
实际上我自己的cash还没有用完，account里显示buying power还有几千，但是看上去
似乎一点margin也没有了，有人遇到过这种情况吗？
q**x 发帖数: 1636
2
you trade too much.
w**k 发帖数: 6722
3
you probably have short positions which hold your cash as collateral
