The statement below is referring to Monday 15/5/5.
"Goldman Sachs JBWere said much of the selling during the afternoon was driven by a handful of brokers competing with one another to sell physical stocks and buy futures contracts in order to take advantage of pricing differentials."
http://afr.com/premium/articles/2005/05/16/1116095905887.html
Coincidentally, I am just reading something by Bruce Jacobs who explains how the risk redistrubution mechanism used in the derivatives market causes increases in volatility. (by buying in upmoves and selling in down moves).
"Goldman Sachs JBWere said much of the selling during the afternoon was driven by a handful of brokers competing with one another to sell physical stocks and buy futures contracts in order to take advantage of pricing differentials."
http://afr.com/premium/articles/2005/05/16/1116095905887.html
Coincidentally, I am just reading something by Bruce Jacobs who explains how the risk redistrubution mechanism used in the derivatives market causes increases in volatility. (by buying in upmoves and selling in down moves).