There are two ways for banks to compute CVA VaR, standardised and advanced methods, depending on their current regulatory approval. Furthermore, firms can potentially reduce the capital charges via eligible hedges.
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A new generation of interest rate modelling is evolving. An approach based on dual curve pricing and integrated CVA has become the market consensus. There is compelling evidence that the market for interest rate products has moved to pricing on this basis, but not all market participants are at the stage were existing legacy valuation and risk management systems are up to date.
CVA desks have been developed in response to crisis-driven regulations for improved counterparty risk management. How do these centralized groups differ from traditional approaches to manage counterparty risk, and what types of data and analytical challenges do they face?
The objectives of setting up a counterparty risk management process can be split into three categories – CVA pricing, exposure management, and regulatory requirements.
Credit Value Adjustment (CVA) is the amount subtracted from the mark-to-market (MTM) value of derivative positions to account for the expected loss due to counterparty defaults. Debt Value Adjustment (DVA) is basically CVA from the counterparty’s perspective. If one party incurs a CVA loss, the other party records a corresponding DVA gain.
Although the recent crisis has brought a heightened focus, counterparty credit risk theory and practice have been evolving for over a decade. Initially banks addressed the problem from their traditional financing experience while investment banks approached it from a derivatives perspective.
Credit Value Adjustment (CVA) is the amount subtracted from the mark-to-market (MTM) value of derivative positions to account for the expected loss due to counterparty defaults.
Basel III substantially raises the amount and quality of core Tier one capital from 2% to 7%, plus introduces an additional countercyclical buffer of up to 2.5% and a discretionary surcharge for ‘systemically important’ institutions, i.e., the big dealers.
In cases where counterparties, e.g. prime brokers, do not post collateral and CDS protection is prohibitively expensive, hedge funds tend to manage credit risk through counterparty selection.
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