OPEX is an

alternative trading system Alternative trading system (ATS) is a US and Canadian regulatory term for a non-exchange trading venue that matches buyers and sellers to find counterparties for transactions. Alternative trading systems are typically regulated as broker-dealers r ...

(ATS) that is managed by PEX (Private Exchange), based in

Lisbon Lisbon (; pt, Lisboa ) is the capital and largest city of Portugal, with an estimated population of 544,851 within its administrative limits in an area of 100.05 km2. Grande Lisboa, Lisbon's urban area extends beyond the city's administr ...

Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...

. The market was launched in 2003 to provide a trading environment to the small and mid cap securities of Portuguese companies. Currently the market is making valiant attempts to survive and attract enough liquidity. Its perseverance seems to have paid off with trading volumes showing a rising trend in the past one year.

External links

OPEX website
Stock exchanges in Europe {{stockexchange-stub