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Bettors who followed my advice before the opener of the Stanley Cup Final now have a wager with some real positive expected value as the Tampa Bay Lightning picked up a 5-1 victory. Coming into the series, I estimated the Lightning would win 77% of the time. But now that they have a lead, their chances are closer to 84%, which means a fair series line is about -530. The Lightning are listed as -560 favorites at DraftKings to win the Stanley Cup, while the Canadiens’ odds are + 430. That implies a fair line of -450, or about an 82% chance that the Lightning will win three more games before the Canadiens win four.