DEFINITION of 'Solvency Cone'
A model that considers the impact of transaction costs while trading financial assets. The solvency cone at a certain time ("t") is the set of those positions that can be exchanged into a nonnegative portfolio at time t after taking bidask prices into consideration. The spread between bid and ask prices is a very significant component of transaction costs.
BREAKING DOWN 'Solvency Cone'
Classical financial models generally do not take transaction costs into account, which hampers their application in the real world, since these costs are a significant factor in trading decisions. The solvency cone eliminates this drawback by taking transaction costs into account in its model. The concept finds a great deal of application in markets such as foreign exchange. While bidask spreads can be quite narrow in the foreign exchange market, the large position sizes in the interbank and institutional segments of the forex market can result in significant transaction costs.

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Are solvency ratios more concerned with the shortterm or the longterm?
Learn what solvency is, how to use ratios to determine a company's solvency, and why solvency ratios are concerned with the ... Read Answer >> 
What's the difference between bidask spread and bidask bounce?
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What are the determinants of a stock's bidask spread?
Stock exchanges are set up to assist brokers and other specialists in coordinating bid and ask prices. The bid price is the ... Read Answer >> 
What can I tell about a company by looking at its solvency ratios?
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How do I use the bidask spread to evaluate whether I should buy a particular stock?
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