Over the past two days we have been favoring a lock bias. This bias was based more on lender strategies than price action in the bond market. While we feel benchmark Treasuries and "rate sheet influential" MBS have room to rally on, we do not anticipate mortgage rates will keep up. This is where the principles of GUTFLOP should echo in your ear. You lost a considerable amount of rebate between March 24 and April 5. We decided to wait and out and let the market stabilize from a quarter-end lack of liquidity. This strategy proved profitable. Since April 5 we have seen a slow restoration of lost rate sheet rebate. At the moment loan pricing is not far from its best levels of 2010....regardless of speculative theories which imply rates have room to run lower, you should be looking to lock up profits while they are available. You do not have to lock 'em all (if you have more than one. congrats bc many LOs have none), just don't "let it ride". If you are floating one loan...keep floating on a day by day basis. If you can make it down to a 15 day lock without sacrificing the cost of an extension...do it. In the short term, as in today, everyone should wait and see if broad based reprices for the better are offered up by lenders. ...