t+1和t+3t+1andt+3

指证券交易的结算日。t+1指证券在交易后１天结算，t+3指证券在交易后３天结算。

t+1andt+3

t+1ort+3isadatebywhichanexecutedordermustbesettled,eitherbyabuyerpayingforthesecuritieswithcashorbyasellerdeliveringthesecuritiesandreceivingtheproceeds.t+1isonebusinessdayafterthetradewasexecuted.t+3isthreebusinessdaysafterthetradewasexecuted.