Image | O'Toole, Trudeau, Blanchet, Paul, Singh, federal leaders

Caption: With election speculation rampant in Ottawa, we ask what the major parties stand to gain — and lose — from a spring or fall vote. Canadian federal party leaders, clockwise from top left, Conservative Leader Erin O'Toole, Liberal Leader Justin Trudeau, the NDP's Jagmeet Singh, Green Party Leader Annamie Paul and Yves-François Blanchet of the Bloc Québécois are seen in this composite photo. (Adrian Wyld/The Canadian Press, Blair Gable/Reuters, Adrian Wyld/The Canadian Press, Sean Kilpatrick/The Canadian Press, Paul Chiasson/Canadian Press)