(Reuters) - Futures tied to Canada's main stock index edged up on Monday as investors around the globe remained fixated on Donald Trump's inauguration as U.S. president.

March futures on the S&P/TSX index were up 0.15% at 6.35 a.m. ET (1135 GMT).

U.S. stock markets were closed for Martin Luther King Jr. Day, which is expected to keep trading volumes thinner than usual throughout.

Donald Trump will be sworn in as U.S. president at 12:00 p.m. ET in a highly-watched global event, with particular focus on the swamp of executive actions concerning immigration, energy and tariffs that he has pledged to sign on day one.

Domestic investors will seek further clarity over his proposed measure of imposing a 25% tariff on imports from Canada, a key trading ally that sends a majority of exports across the border.

Investors believe Trump's protectionist measures could boost U.S. economic growth but likely stoke inflation, which could hinder the Federal Reserve's path to lowering interest rates.

In commodities, oil prices eased as traders awaited Trump's inauguration to get some clarity on his policy agenda, including plans to end the Russia-Ukraine war. [O/R]

Gold prices firmed, supported by a weaker U.S. dollar, while copper prices declined due to uncertainty over potential tariffs under the Trump administration. [GOL/] [MET/L]

The composite index ended higher on hopes that the incoming administration's policies may boost corporate profits.

Meanwhile, Canada's key inflation figures for December will be a much-awaited economic indicator among a host of data expected later in the week.

In corporate news, eyecare provider Kits Eyecare reported a 42% growth in its fourth-quarter revenue, which also surpassed analysts' expectations.

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($1 = 1.4467 Canadian dollars)

(Reporting by Nikhil Sharma; Editing by Varun H K)