OREANDA-NEWS. October 11, 2011. The trading volume for options on the stocks of OGX Petroleo and Itau Unibanco rose significantly in September, strongly influenced by the fact that they have had Market Makers since September 9.

The Exchange launched the Market Maker program for stocks this year in order to encourage trading in options and increase their liquidity, as well as to stimulate longer expiries on these contracts.

Options on the stocks of OGX Petroleo and Itau Unibanco now have three Market Makers.

Comparing the average daily volume in September to that of January to August, there were the following increases: OGX Petroleo ON 51.9% (BRL 13.7 million against BRL 20.8 million) and Itau Unibanco PN 205.6% (BRL 1.7 million against BRL 5.1 million).