Margin¹
Money deposited into a stock account in order to borrow money to purchase or sell short securities.

Short Sell
To sell a security not owned by the seller in the hope that it can be bought back and replaced at a lower price in the future.

T + 3
Reg T settlement date for securities transactions. Trade date +3 days.

Equity²
Excess over the debit³ balance (money borrowed) in a stock account.

Excess Margin
Equity in a stock account above the legal limit required for margin maintenance in a long or short account.

Restricted Account
When equity falls below the minimum margin maintenance a customer may not make further purchases without additional deposit.

Buying Power
Amount of money available in a margin account to buy securities  based on excess margin divided by the margin requirement.

 

保证金
存在股票账户上用来借钱买卖短期证券的资金。

做空
销售不属于自己的证券，希望在将来以较低价格回购获得利润的行为。

 

T+ 3
T是证券交易日，当天交易日起加3天为结算日。

净值
股票账户上超过债务余额(负债)的部分。

超额保证金
在长期或短期账户中，超过法定保证金维持范围的股票账户净值。

限制账户
当净值低于最低保证金维持时，客户不续存资金就不能买入股票。

 

购买力
保证金账户中超过利差要求，可以买入证券的那部分超额保证金。