Asian stock markets are trading mixed on Friday but were on track for robust weekly gains, while the euro caught its breath after sliding when the European Central Bank trimmed the size of its asset purchase program and also extended it for longer than many had expected.

Japan's benchmark index, Nikkei 225 went up 204.03 points or 1.09 percent to trade at 18,969.50. China's benchmark index, Shanghai Composite went up 10.25 points or 0.32 percent to trade at 3,225.61. Taiwan's TAIEX rose 3.29 points or 0.04 percent to trade at 9,379.15.

On the other hand, Hong Kong's Hang Seng declined 109.92 points or 0.48 percent to trade at 22,751.92. Singapore's Straits Times lost 4.59 points or 0.16 percent to trade at 2,954.27.  South Korea's KOSPI lost 9.59 points or 0.47 percent to trade at 2,021.48.