[ARTICLE] 6
[CIK] 0000895523
[NAME] MANAGED HIGH INCOME PORTFOLIO INC.
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          FEB-28-1998
[PERIOD-END]                               AUG-31-1997
[INVESTMENTS-AT-COST]                      478,740,561
[INVESTMENTS-AT-VALUE]                     501,695,578
[RECEIVABLES]                               12,642,494
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                               785
[TOTAL-ASSETS]                             514,338,857
[PAYABLE-FOR-SECURITIES]                     3,732,151
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                            0
[TOTAL-LIABILITIES]                          4,332,100
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   517,020,785
[SHARES-COMMON-STOCK]                       43,344,712
[SHARES-COMMON-PRIOR]                                0
[ACCUMULATED-NII-CURRENT]                   23,587,722
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      6,236,684
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                     1,156,568
[NET-ASSETS]                               510,006,757
[DIVIDEND-INCOME]                            2,093,117
[INTEREST-INCOME]                           24,465,527
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               2,970,922
[NET-INVESTMENT-INCOME]                     23,587,722
[REALIZED-GAINS-CURRENT]                     6,236,684
[APPREC-INCREASE-CURRENT]                    1,156,568
[NET-CHANGE-FROM-OPS]                       30,980,974
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                   23,432,102
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                              0
[NUMBER-OF-SHARES-REDEEMED]                          0
[SHARES-REINVESTED]                            742,616
[NET-CHANGE-IN-ASSETS]                      30,980,974
[ACCUMULATED-NII-PRIOR]                     47,001,438
[ACCUMULATED-GAINS-PRIOR]                    (239,118)
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        2,247,381
[INTEREST-EXPENSE]                             723,541
[GROSS-EXPENSE]                              2,970,922
[AVERAGE-NET-ASSETS]                       495,463,340
[PER-SHARE-NAV-BEGIN]                            11.59
[PER-SHARE-NII]                                  00.55
[PER-SHARE-GAIN-APPREC]                          00.18
[PER-SHARE-DIVIDEND]                             00.55
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              11.77
[EXPENSE-RATIO]                                  01.19
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>