A risk-based calculation of actual risk in a diversified investment portfolio. Portfolio margin is used to establish a margin requirement for an account by determining a greatest-possible loss and an upside gain. Generally more forgiving, and freeing more capital, than are strategy-based margin requirements.
Related information about portfolio margin:
- Portfolio margin - Wikipedia, the free encyclopedia
 Portfolio margin is a risk-based margin policy available to qualifying US investors  . The goal of portfolio margin is to align margin requirements with the overall ...
 
- Portfolio Margin Definition | Investopedia
 The modern composite-margin requirements that must be maintained in a   derivatives account containing options and/or futures contracts. Portfolio margin ...
 
- Portfolio Margin FAQ - FINRA
 FINRA has received questions regarding FINRA's portfolio margin pilot program   set forth in NASD Rule 2520(g) and incorporated NYSE Rule 431(g).
 
- Margin Requirements - Portfolio Margin -
 Under SEC approved Portfolio Margin rules and using our real-time margin   system, Interactive Brokers customers are able in certain cases to increase their ...
 
- Customer Portfolio Margin
 OCC is constructing a FIXML version of the RBH/CPM theoretical output files that   we anticipate will be available for nightly distribution beginning 1st quarter ...
 
- List of Brokers Offering Portfolio Margin - The Margin Investor
 Nov 4, 2012 ... Ever since the approval of Portfolio Margin in 2007, brokers began offering   portfolio margin accounts to their clients. Surprisingly, many of the ...
 
- Portfolio Margin - Maximize Your Trading Potential - E*TRADE
 Portfolio Margin is an advanced type of margin account that calculates margin   requirements in a non-traditional way - E*TRADE.
 
- Portfolio Margining | Portfolio Margin Account | tradeMONSTER
 Open a portfolio margin account to receive lower margin requirements and   increased buying power for your option trading account.