PAGE 1 000 B000000 12/31/2015 000 C000000 1480999 000 D000000 N 000 E000000 NF 000 F000000 Y 000 G000000 N 000 H000000 N 000 I000000 6.1 000 J000000 A 001 A000000 Tax-Advantaged Bond & Option Strategies Fund 001 B000000 811-22380 001 C000000 6174828260 002 A000000 Two International Place 002 B000000 Boston 002 C000000 MA 002 D010000 02110 003 000000 N 004 000000 N 005 000000 N 006 000000 N 007 A000000 N 007 B000000 0 007 C010100 1 008 A000001 Eaton Vance Management 008 B000001 A 008 C000001 801-15930 008 D010001 Boston 008 D020001 MA 008 D030001 02110 008 A000002 Parametric Risk Advisors LLC 008 B000002 A 008 C000002 801-67738 008 D010002 Westport 008 D020002 CT 008 D030002 06880 010 A000001 Eaton Vance Management 010 B000001 801-15930 010 C010001 Boston 010 C020001 MA 010 C030001 02110 012 A000001 American Stock Transfer & Trust Company 012 B000001 84-00416 012 C010001 New York 012 C020001 NY 012 C030001 10038 013 A000001 Deloitte & Touche LLP 013 B010001 Boston 013 B020001 MA 013 B030001 02116 013 B040001 5022 014 A000001 Eaton Vance Distributors, Inc. PAGE 2 014 B000001 8-47939 015 A000001 State Street Bank and Trust Company 015 B000001 C 015 C010001 Boston 015 C020001 MA 015 C030001 02116 015 E010001 X 018 000000 Y 019 A000000 Y 019 B000000 174 019 C000000 EATONVANCE 020 A000001 I.A. Englander & Co. 020 C000001 28 020 A000002 CITIGROUP GLOBAL MARKETS INC. 020 B000002 11-2418191 020 C000002 12 020 A000003 MORGAN STANLEY & CO., INC. 020 B000003 13-2655998 020 C000003 12 020 A000004 GOLDMAN SACHS & COMPANY 020 B000004 13-510880 020 C000004 8 020 A000005 DEUTSCHE BANK SECURITIES INC. 020 C000005 4 020 A000006 UBS SECURITIES LLC 020 B000006 13-3873456 020 C000006 3 020 A000007 BARCLAYS CAPITAL INC. 020 B000007 06-1031656 020 C000007 2 020 A000008 Wells Fargo Securities, LLC 020 B000008 56-2326000 020 C000008 2 020 A000009 CIBC WORLD MARKETS CORP 020 B000009 13-2798343 020 C000009 2 020 A000010 SOCIETE GENERALE 020 C000010 1 021 000000 77 022 A000001 CITIGROUP GLOBAL MARKETS INC. 022 B000001 11-2418191 022 C000001 8343 022 D000001 8044 022 A000002 PERSHING LLC 022 C000002 1012 022 D000002 12349 022 A000003 BARCLAYS CAPITAL INC. 022 B000003 06-1031656 022 C000003 0 022 D000003 10087 022 A000004 MORGAN STANLEY & CO., INC. PAGE 3 022 B000004 13-2655998 022 C000004 2949 022 D000004 6761 022 A000005 JP MORGAN SECURITIES (ASIA PACIFIC) 022 C000005 9089 022 D000005 0 022 A000006 WELLS FARGO SECURITIES, LLC 022 B000006 56-2326000 022 C000006 6264 022 D000006 990 022 A000007 GOLDMAN SACHS & COMPANY 022 B000007 13-510880 022 C000007 3730 022 D000007 3058 022 A000008 MERRILL LYNCH & CO., INC. 022 B000008 13-2740599 022 C000008 5412 022 D000008 0 022 A000009 NATIONAL FINANCIAL SERVICES LLC 022 B000009 04-3523567 022 C000009 2486 022 D000009 1982 022 A000010 WILLIAM BLAIR & COMPANY L.L.C 022 C000010 0 022 D000010 3546 023 C000000 49161 023 D000000 55088 024 000000 N 026 A000000 N 026 B000000 Y 026 C000000 N 026 D000000 Y 026 E000000 N 026 F000000 N 026 G010000 N 026 G020000 N 026 H000000 N 027 000000 N 028 A010000 0 028 A020000 0 028 A030000 0 028 A040000 0 028 B010000 0 028 B020000 0 028 B030000 0 028 B040000 0 028 C010000 0 028 C020000 0 028 C030000 0 028 C040000 0 028 D010000 0 PAGE 4 028 D020000 0 028 D030000 0 028 D040000 0 028 E010000 0 028 E020000 0 028 E030000 0 028 E040000 0 028 F010000 0 028 F020000 0 028 F030000 0 028 F040000 0 028 G010000 0 028 G020000 0 028 G030000 0 028 G040000 0 028 H000000 0 030 A000000 0 030 B000000 0.00 030 C000000 0.00 031 A000000 0 031 B000000 0 032 000000 0 033 000000 0 035 000000 0 036 B000000 0 038 000000 0 042 A000000 0 042 B000000 0 042 C000000 0 042 D000000 0 042 E000000 0 042 F000000 0 042 G000000 0 042 H000000 0 043 000000 0 044 000000 0 045 000000 Y 046 000000 N 047 000000 Y 048 000000 1.250 048 A010000 0 048 A020000 0.000 048 B010000 0 048 B020000 0.000 048 C010000 0 048 C020000 0.000 048 D010000 0 048 D020000 0.000 048 E010000 0 048 E020000 0.000 048 F010000 0 PAGE 5 048 F020000 0.000 048 G010000 0 048 G020000 0.000 048 H010000 0 048 H020000 0.000 048 I010000 0 048 I020000 0.000 048 J010000 0 048 J020000 0.000 048 K010000 0 048 K020000 0.000 049 000000 N 050 000000 N 051 000000 N 052 000000 N 053 A000000 Y 053 B000000 N 053 C000000 N 054 A000000 Y 054 B000000 Y 054 C000000 N 054 D000000 N 054 E000000 N 054 F000000 N 054 G000000 Y 054 H000000 Y 054 I000000 N 054 J000000 Y 054 K000000 N 054 L000000 N 054 M000000 Y 054 N000000 N 054 O000000 N 055 A000000 N 055 B000000 N 056 000000 Y 057 000000 N 058 A000000 N 059 000000 Y 060 A000000 Y 060 B000000 Y 061 000000 0 062 A000000 Y 062 B000000 0.0 062 C000000 0.0 062 D000000 0.0 062 E000000 0.0 062 F000000 0.0 062 G000000 0.0 062 H000000 0.0 062 I000000 0.0 PAGE 6 062 J000000 0.0 062 K000000 0.0 062 L000000 2.7 062 M000000 0.0 062 N000000 0.0 062 O000000 92.2 062 P000000 0.0 062 Q000000 6.7 062 R000000 0.1 063 A000000 0 063 B000000 4.3 064 A000000 Y 064 B000000 N 066 A000000 Y 066 B000000 N 066 C000000 N 066 D000000 N 066 E000000 N 066 F000000 Y 066 G000000 N 067 000000 N 068 A000000 N 068 B000000 N 069 000000 N 070 A010000 N 070 A020000 N 070 B010000 N 070 B020000 N 070 C010000 N 070 C020000 N 070 D010000 Y 070 D020000 Y 070 E010000 N 070 E020000 N 070 F010000 N 070 F020000 N 070 G010000 N 070 G020000 N 070 H010000 Y 070 H020000 N 070 I010000 N 070 I020000 N 070 J010000 Y 070 J020000 N 070 K010000 Y 070 K020000 N 070 L010000 N 070 L020000 N 070 M010000 N 070 M020000 N 070 N010000 N PAGE 7 070 N020000 N 070 O010000 Y 070 O020000 N 070 P010000 Y 070 P020000 N 070 Q010000 N 070 Q020000 N 070 R010000 Y 070 R020000 N 071 A000000 49161 071 B000000 57763 071 C000000 142492 071 D000000 35 072 A000000 12 072 B000000 3024 072 C000000 0 072 D000000 0 072 E000000 0 072 F000000 1829 072 G000000 0 072 H000000 0 072 I000000 18 072 J000000 110 072 K000000 0 072 L000000 33 072 M000000 8 072 N000000 0 072 O000000 0 072 P000000 0 072 Q000000 0 072 R000000 57 072 S000000 2 072 T000000 0 072 U000000 0 072 V000000 0 072 W000000 33 072 X000000 2090 072 Y000000 0 072 Z000000 934 072AA000000 11223 072BB000000 0 072CC010000 0 072CC020000 363 072DD010000 933 072DD020000 0 072EE000000 2483 073 A010000 0.0930 073 A020000 0.0000 073 B000000 0.2490 073 C000000 0.8180 074 A000000 0 PAGE 8 074 B000000 0 074 C000000 0 074 D000000 137781 074 E000000 0 074 F000000 0 074 G000000 204 074 H000000 0 074 I000000 3684 074 J000000 0 074 K000000 0 074 L000000 1714 074 M000000 0 074 N000000 143383 074 O000000 2370 074 P000000 151 074 Q000000 0 074 R010000 0 074 R020000 0 074 R030000 1430 074 R040000 107 074 S000000 0 074 T000000 139325 074 U010000 9732 074 U020000 0 074 V010000 14.32 074 V020000 0.00 074 W000000 0.0000 074 X000000 4213 074 Y000000 10903 075 A000000 0 075 B000000 146075 076 000000 12.57 077 A000000 Y 077 B000000 Y 077 C000000 N 077 D000000 N 077 E000000 N 077 F000000 N 077 G000000 N 077 H000000 N 077 I000000 N 077 J000000 N 077 K000000 N 077 L000000 N 077 M000000 N 077 N000000 N 077 O000000 N 077 P000000 N 077 Q010000 N 077 Q020000 N 077 Q030000 N PAGE 9 078 000000 N 080 A000000 ICI MUTUAL INSURANCE COMPANY 080 C000000 80000 081 A000000 Y 081 B000000 350 082 A000000 Y 082 B000000 150 083 A000000 N 083 B000000 0 084 A000000 N 084 B000000 0 085 A000000 Y 085 B000000 N 086 A010000 0 086 A020000 0 086 B010000 665 086 B020000 8512 086 C010000 0 086 C020000 0 086 D010000 0 086 D020000 0 086 E010000 0 086 E020000 0 086 F010000 0 086 F020000 0 087 A010000 COMMON SHARES 087 A020000 27829M103 087 A030000 EXD 088 A000000 N 088 B000000 N 088 C000000 N 088 D000000 N SIGNATURE JAMES F. KIRCHNER TITLE TREASURER