Brent rose on Friday on uncertainty over Saudi oil output following the death of King Abdullah.
Gold dropped below $1,300 an ounce on Friday, pulling back from five-month highs.
The euro fell to fresh 11-year lows against the dollar after the ECB said on Thursday it would pump a trillion euros into the euro zone economy.
Asian equity markets posted an upbeat performance on Friday, after the European Central Bank unleashed a massive stimulus package to resuscitate the euro zone.
Stocks turned higher on Thursday after the European Central Bank unveiled a bond-buying program.
US yields fell in volatile trading on Thursday after the European Central Bank unveiled a more aggressive than expected bond-buying program.
European markets rallied on Thursday to close higher after the ECB announced a full-scale bond-buying program.
U.S. stock index futures signaled a higher open after the ECB detailed plans of a larger-than-expected bond-buying program Thursday.
The euro hit a fresh 11-year low after Draghi announced the launch of an open-ended expanded monthly 60 billion euro bond-buying program.
Gold erased earlier losses after the ECB launched a multi-billion euro bond-buying program aimed at reviving a sagging euro zone economy.
Nymex crude dropped after data from the U.S. government showed commercial crude inventories rose far more than expected last week.
Asian stocks rose amid a choppy session on Thursday as the market digested hopes that the ECB will launch an aggressive stimulus package today.
U.S. stock index futures signaled a higher open as all eyes were fixed on the ECB Mario Draghi, who is expected to announce a bond-buying program.
Stocks rose Wednesday on reports the ECB would implement a large-scale bond-purchasing program.
European markets closed higher on reports that the ECB is set to buy around 50 billion euros per month of government bonds for around a year.
Bonds pared earlier gains and the yield curve flattened as investors anticipated Thursday's European Central Bank meeting.
The yen rebounded against the dollar after the Bank of Japan stood pat on monetary policy.
Gold fell below $1,300 an ounce as various reports offered details about the European Central Bank's planned bond buying program.
US crude closed oil nearly 3 percent, rebounding from falls in the previous session as more energy firms cut investments and the dollar weakened.
Equity markets in Asia raked in gains on Wednesday, with the exception of Tokyo, bolstered by stimulus bets on the European Central Bank.
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