StockShortSellingRepayAmount
简述
指定日证券融券偿还额,与系统参数（证券代码、时间）相关
StockShortSellingRepayAmount():Real
融券偿还额=融券偿还量*收盘价
//"SH600000"在20250314的融券偿还额
SetSysParam(pn_stock(),"SH600000");
SetSysParam(pn_date(),20250314T);
return StockShortSellingRepayAmount();
//结果：479320