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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 risk of the portfolio. Portfolio margin usually results in significantly lower margin requirements on hedged positions than under traditional rules.
In order to decrease the risk of a counter party to default, a technique called portfolio margining is applied, which simply means that the assets within a portfolio are clustered and sorted by the descending projected net loss, e.g. calculated by a pricing model. [2] One can then determine for which cluster(s) one wants to perform margin calls.
The current liquidating margin is currently £60 "in favour of the investor". The minimum margin requirement is now -£60 + £10 = -£50. In other words, the investor can run a deficit of £50 in his margin account and still fulfil his margin obligations. This is the same as saying he can borrow up to £50 from the broker.
For example, let’s say you buy 2,000 shares of XYZ company with $10,000 of your own cash plus $10,000 in your margin account at a cost of $10 a share. That’s a total of $20,000, excluding ...
SPAN is a portfolio margining method that uses grid simulation. It calculates the likely loss in a set of derivative positions (also called a portfolio), and sets this value as the initial margin payable by the firm holding the portfolio. In this manner, SPAN provides for offsets between correlated positions and enhances margining efficiency.
Financial risk modeling is the use of formal mathematical and econometric techniques to measure, monitor and control the market risk, credit risk, and operational risk on a firm's balance sheet, on a bank's accounting ledger of tradeable financial assets, or of a fund manager's portfolio value; see Financial risk management.
Image source: The Motley Fool. Chubb (NYSE: CB) Q4 2024 Earnings Call Jan 29, 2025, 8:30 a.m. ET. Contents: Prepared Remarks. Questions and Answers. Call Participants ...
This is an example of a multi-objective optimization problem: many efficient solutions are available and the preferred solution must be selected by considering a tradeoff between risk and return. In particular, a portfolio A is dominated by another portfolio A' if A' has a greater expected gain and a lesser risk than A.