PAGE 1 000 B000000 09/30/2005 000 C000000 910068 000 D000000 N 000 E000000 NF 000 F000000 Y 000 G000000 Y 000 H000000 N 000 I000000 6.1 000 J000000 A 001 A000000 HIGH INCOME OPPORTUNITY FUND INC 001 B000000 811-7920 001 C000000 8004512010 002 A000000 125 BROAD STREET 002 B000000 NEW YORK 002 C000000 NY 002 D010000 10004 003 000000 N 004 000000 N 005 000000 N 006 000000 N 007 A000000 N 007 B000000 0 007 C010100 1 007 C010200 2 007 C010300 3 007 C010400 4 007 C010500 5 007 C010600 6 007 C010700 7 007 C010800 8 007 C010900 9 007 C011000 10 077 A000000 Y 077 O000000 Y SIGNATURE ROB BRAULT TITLE TREASURER