08
Mar
10

Derivados y Regulación

Satyajit Das tiene un post muy explicativo en Naked Capitalism sobre el mercado de derivados (OTC), la problemática de valuar mark-to-market, el riesgo de contra-parte y las iniciativas de regulación. Todo muy 2008-2009.

La única objeción es la longitud del mismo.

Aqui algunos extractos:

(…)

In current accounting argot, most derivatives are Level 2 assets (Mark-to-Model). In practice, this means that they cannot be priced based on quoted trade prices (Level 1) but are valued using observable inputs; for example, comparable assets or instruments or using interest rates, volatility, correlation, credit spreads etc that can be put through an accepted model to establish values.

There are significant differences in the complexity of the models and the ability to verify and calibrate inputs. More complex products used sophisticated financial models, often derived from science or statistical methodology. There are frequently differences in choice, exact factorisation and even numerical implementation of the models. Different dealers may use different models.

(…)

Interestingly, MtM accounting is generally not available outside of financial instruments. An often neglected element of the Enron scandal was the company’s ability to convince its auditors and the U.S. Securities and Exchange Commission (”SEC’) to allow MtM accounting to be used in the natural gas industry. This allowed the company to record current earnings based on the future value of long term contracts.

(…)

Where derivative contracts are marked-to-market daily and any gain or loss covered by collateral to minimise performance risk, movements in market rates can trigger large cash requirements. These requirements may be unanticipated. If there is a failure to meet a margin call then the position must be closed out and the collateral applied against the loss. This may leave the parties unhedged against underlying risks or on offsetting positions creating the risk of additional losses.

For example, ACA Financial Guaranty sold protection totalling US$69 billion while having capital resources of around US$425 million. When ACA was downgraded below “A” credit rating, it was required to post collateral of around US$ 1.7 billion. ACA was unable to meet this requirement.

(…)

In 2006, Alan Greenspan expressed shock and horror at the state of settlements in the credit derivative market. He expressed surprise that banks trading CDS seemed to document trades on scraps of paper. The ex-Chairman, perhaps unfamiliar with the reality of financial markets, had difficulty reconciling a technologically advanced business with this “appalling” operational environment.


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