NEW YORK - Nasdaq OMX and Intercontinental Exchange (ICE) on Friday announced a joint 11.3-billion-dollar bid to buy the NYSE Euronext, a 19 percent premium over a previous offer by Germany's Deutsche Boerse.

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Nasdaq and ICE said in a statement that the offer would be priced at 42.50 dollars per share. According to the proposal, ICE would purchase NYSE's valuable derivatives business while Nasdaq would acquire its stock exchanges and options businesses.

Deutsche Boerse had offered a 10.2 billion dollar takeover bid for NYSE Euronext in February to form the world's largest exchange operator.

The announcement officially represented that Nasdaq and ICE entered into rivalry with Deutsche Boerse over NYSE Euronext.

NYSE shares were last traded at around 38.83 dollars per share on Friday, up more than 10 percent comparing with previous closing price.