I was a little bored so reading this thread, and noticed that someone mentioned that Max, a pro, has been doing this for years and making money, so I guess it shows even if you are one of the best, eventually, this strategy by itself causes wipe out. This is from
http://www.autumngold.com/Advisor/Statistics/cta_profile.php?id=9
Principal Max G. Ansbacher
Trading Strategy Option Writer / Stock Indexes
2008
2007
2006
2005
Month Return YTD Assets
Jan -4.50% -4.50% $113,000,000
Feb -1.70% -6.12% $96,000,000
Mar -5.10% -10.91% $93,000,000
Apr 0.85% -10.15% $75,000,000
May 1.05% -9.21% $70,000,000
Jun -0.70% -9.85% $70,000,000
Jul 0.01% -9.84% $55,000,000
Aug 1.38% -8.59% $55,000,000
Sep -27.95% -34.14% $40,000,000
Oct -11.85% -41.95% $20,000,000
Nov 0.62% -41.59% $18,000,000
Dec 2.54% -40.10% $14,000,000