最近刚开了POEMS的帐户，开户的时候放了1000的initial deposit，用这1000买了支股票。

1。 Outstanding Position里面显示了我买的股票，可是Due Date栏显示了T＋3的日期。

请问这个Due Date是做什么的？ 不是只有卖空才有T＋3的due date么？在Online help里面看到这样一句话
When are the shares bought due for delivery?
All shares purchased will be due for delivery on transaction + 3 market days (T+3).


2。 Account Details里面Available Cash没有减掉买股票的钱。 请问我到底买到这支股票了没有啊？ Online help里面有这个的问答

When does payment have to be made for shares bought?
Payments can be made anytime within the 3 market days settlement period. However, all
payments must reach us no later than 3 market days from the date of transaction by 5.00pm. If payment is not received by due date, the contract will be forced-sold by the company without notification。

请问如果poems account里面有钱，卖股票的时候是不是就已经make payment了？



谢谢