Price    = 0 ..

Option   = 'RI'
Exchange = 'SPBX'
Date     = '20010101'

If Report.Stock_exchanges
       ->>Exchange
         .Options
       ->>Option
         .History
       ->>Date
         .Strike_price then Price = Report.Stock_exchanges
                                         ->Exchange
                                          .Options
                                         ->[Option
                                          .History
                                         ->Date
                                          .Strike_price
