Analysis of the Microstructure of the Russian Stock Market: Bid-ask Spreads and Risk of Illiquid Shares
Abstract
On the example of Russian shares traded on the RTS in 2006–2010 we investigate the magnitude of bid-ask spreads of shares with different liquidity. It was found that for all shares, regardless of their liquidity, there is a power-type dependence between the magnitude of the average relative bid-ask spread and the frequency of transactions with these shares. This dependence is explained in the framework of the approach, in which the liquidity of the shares is modeled by a combination of imaginary call and put options. This representation allows us to estimate the volatility of prices of illiquid shares, which may be important for practical purposes of corporate finance.
Keywords:
risk, illiquid shares, quotes, bid-ask spread, trade activity, volatility, option, straddle
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Articles of the Russian Management Journal are open access distributed under the terms of the License Agreement with Saint Petersburg State University, which permits to the authors unrestricted distribution and self-archiving free of charge.