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Missing Return Codes

Parameter RET(I) Reason for Missing Return
RMISSN-44.0missing excess return due to no portfolio assignment.
RMISSD-55.0missing delisting return.
RMISSG-66.0more than 10 trading days between this day and the day of latest preceding price.
RMISSE-77.0not trading on an included exchange for this file.
RMISSR-88.0no return, array index not within range of Begin and End Index of Return Data.
RMISSP-99.0missing return due to missing price.