Overview Primary Market Secondary Market Bond Rating Invest. Procedure Home > Investment Guide > Bonds > Trading Procedure Trading Procedure Bond orders are normally executed under T+1~T+30 settlement (as of June 2003) both on the KRX and the Free Board. For this cash settlement, buyers or sellers must deposit payment with the securities firms by 5:00PM on the trading day.  KRX Bond Trading Procedures  Free Board Trading Procedure