* C$ edges higher to 98.45 U.S. cents
* Bond prices flat to lower
TORONTO, Dec 22 (Reuters) - Canada's dollar pushed higher against the U.S. currency on Wednesday as the price of oil neared a two-year high.
The price of oil, which the Canadian dollar often tracks because the country is a net exporter of the commodity, rose above $90 a barrel for a third time since 2008. [O/R]
No domestic data is due on Wednesday, but some U.S. data throughout the morning may be influential to thinned-out markets, including the final reading of third-quarter U.S. gross domestic product, existing home sales for November and the home price index for October. [ECI/US]
At 8:05 a.m. (1305 GMT), the Canadian currency was at C$1.0157 to the U.S. dollar, or 98.45 U.S. cents, up from C$1.0175 to the U.S. dollar, or 98.28 U.S. cents, at Tuesday's close.
If it can hold its early positive bias, Canada's currency may be able to snap its four-session down streak.
"In the big scheme of things, the Canadian dollar remains in a pretty good uptrend. Canada's going to grind higher but there won't be enough gas to push through par before year end," said Michael O'Neill, managing director at Knightsbridge Foreign Exchange, estimating Wednesday's daily range of C$1.0110 and C$1.0160.
"The trend is up with commodity prices drifting higher and more diminished risk ... and if anyone was around to play, you might see some risk-taking type trades going on."
A warning from ratings agency Moody's on Tuesday that it may cut Portugal's rating and an announcement from Fitch that it could downgrade Greece reminded investors that euro zone debt problems were far from over and continued to spur selling in the euro. [MKTS/GLOB]
However, a Portuguese newspaper reported that China was ready to buy 4 to 5 billion euros of Portuguese sovereign debt, offering the euro a bit of a respite. Beijing offered no comment on the report. [ID:nLDE6BL0MW]
Canadian stock index futures also indicated a positive open, adding to a backdrop that could support the Canadian currency.
Canadian bond prices were flat to lower with the two-year bonddown 1 Canadian cent to yield 1.637 percent, while the 10-year bond slid 25 Canadian cents to yield 3.172 percent.
(Reporting by Ka Yan Ng, Editing by Chizu Nomiyama)
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