Optionshouse seems to change Margin requirements on the fly frequently , such as on VIX options. The most recent:
Dear Customer,
Effective February 25, 2009, you will no longer be allowed to initiate trades in Three Times (3X) Leveraged Exchange Traded Funds on margin. Additionally, options strategies traded on the underlying leveraged exchange traded funds will be limited to the following:
Long Call
Long Put
Covered Call
Debit Spreads
Below are the 16 leveraged exchange traded funds affected by this notice.
Ticker Symbol Fund Index / Benchmark Index Symbol
BGU Large Cap Bull 3x Shares Russell 1000 RIY
TNA Small Cap Bull 3x Shares Russell 2000 RTY
ERX Energy Bull 3x Shares Russell 1000 Energy RGUSEL
FAS Financial Bull 3x Shares Russell 1000 Financial Services RGUSFL
DZK Developed Markets Bull 3X Shares MSCI EAFE Index MXEA
EDC Emerging Markets Bull 3X Shares MSCI Emerging Markets Index MXEF
TYH Technology Bull 3X Shares Russell 1000 Technology Index RGUSTL
MWJ Mid Cap Bull 3x Shares Russell Mid-cap Index RMC
BGZ Large Cap Bear 3x Shares Russell 1000 RIY
TZA Small Cap Bear 3x Shares Russell 2000 RTY
ERY Energy Bear 3x Shares Russell 1000 Energy RGUSEL
FAZ Financial Bear 3x Shares Russell 1000 Financial Services RGUSFL
DPK Developed Markets Bear 3X Shares MSCI EAFE Index MXEA
EDZ Emerging Markets Bear 3x Shares MSCI Emerging Markets Index MXEF
TYP Technology Bear 3X Shares Russell 1000 Technology Index RGUSTL
MWN Mid Cap Bear 3x Shares Russell Mid-cap Index RMC
For additional information, please contact OptionsHouse Customer Service.
Sincerely,
OptionsHouse Customer Service Team