Oscar 2012 Predictions: Who Will Win?

Just hours before the Academy Awards, it's still not clear who will win.

Feb. 26, 2012— -- Which film will take home the Best Picture Academy Award? Who will win Best Actor?

Blame it on the expanded best picture race, on the films themselves or on the guilds that honored a variety of movies: This year's Oscar race is still too close to call in some categories.

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ABC News' Oscars Stock Market Index, a collaboration with Bluefin Labs, which provides a real-time snapshot of social sentiment, what's trending and the collective assessment of entertainment industry experts, shows just how much uncertainty there is going into tonight's ceremony.

On the index, "The Artist" director Michel Hazanavicius overtook Martin Scorsese who directed "Hugo" and Alexander Payne who directed "The Descendants" as of this morning.

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"Descendants" star George Clooney seemed to be hanging on to the lead in the best actor category, with Jean Dujardin from "The Artist" coming in a close second on the index.

Clooney's pal Brad Pitt who starred in "Moneyball" is currently in third place.

"These front races are so close," Yahoo! Movies contributing editor Thelma Adams told ABCNews.com. "There is a little wiggle room."

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"Iron Lady" Meryl Streep was keeping her lock on the best actress race, but Viola Davis, star of "The Help," and "The Girl With the Dragon Tattoo" star Rooney Mara were closing the gap.

"The issue is how much people love 'The Help' versus 'The Iron Lady,'" said Adams, believing the race is between Davis and Streep.

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Supporting actor Christopher Plummer and supporting actress Octavia Spencer were still holding onto the lead in their respective categories on the index.

Ultimately, the winners will be decided by the nearly 6,000 Academy members, which, according to a recent report by the Los Angeles Times, are overwhelmingly white and male, with a median age of 62.

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Check out the official Oscar.com