Trading Strategies
The company used complex mathematical models to take advantage of fixed income arbitrage deals (termed convergence trades) usually with U.S., Japanese, and European government bonds. Government bonds are a "fixed-term debt obligation", meaning that they will pay a fixed amount at a specified time in the future. Differences in the bonds' present value are minimal, so according to economic theory any difference in price will be eliminated by arbitrage. Unlike differences in share prices of two companies, which could reflect different underlying fundamentals, price differences between a 30 year treasury bond and a 29 and three quarter year old treasury bond should be minimal—both will see a fixed payment roughly 30 years in the future. However, small discrepancies arose between the two bonds because of a difference in liquidity. By a series of financial transactions, essentially amounting to buying the cheaper 'off-the-run' bond (the 29 and three quarter year old bond) and shorting the more expensive, but more liquid, 'on-the-run' bond (the 30 year bond just issued by the Treasury), it would be possible to make a profit as the difference in the value of the bonds narrowed when a new bond was issued. LTCM also attempted creating a splinter fund in 1996 called LTCM-X that would invest in even higher risk trades and also focus on Latin American markets. LTCM turned to UBS bank to invest in and write the warrant for this new spin-off company.
As LTCM's capital base grew, they felt pressed to invest that capital and had run out of good bond-arbitrage bets. This led LTCM to undertake more aggressive trading strategies. Although these trading strategies were market neutral, i.e. they were not dependent on overall interest rates or stock prices going up (or down), they were not convergence trades as such. By 1998, LTCM had extremely large positions in areas such as merger arbitrage (betting whether mergers would be completed or not) and S&P 500 options (net short long-term S&P volatility). LTCM had become a major supplier of S&P 500 vega, which had been in demand by companies seeking to essentially insure equities against future declines.
Because these differences in value were minute—especially for the convergence trades—the fund needed to take highly-leveraged positions to make a significant profit. At the beginning of 1998, the firm had equity of $4.72 billion and had borrowed over $124.5 billion with assets of around $129 billion, for a debt to equity ratio of over 25 to 1. It had off-balance sheet derivative positions with a notional value of approximately $1.25 trillion, most of which were in interest rate derivatives such as interest rate swaps. The fund also invested in other derivatives such as equity options.
In 1998, the chairman of Union Bank of Switzerland resigned as a result of a $780 million loss due to problems at Long-Term Capital Management.
Read more about this topic: Long-Term Capital Management
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