Spain will request a sovereign rescue within a year, while Italy will avoid that fate, as the euro-area's debt crisis looks set to enter a fourth year, ccording to the Bloomberg Global Poll.

Almost three years since Greece revised its deficit numbers, triggering financial market turmoil across Europe, 85 percent of 847 investors, analysts and traders who are Bloomberg subscribers said Spain will seek aid in the next 12 months. Fifty-nine percent said Italy will skirt a rescue over the same timeframe.

Predictions of a bailout for the euro-area's fourth-largest economy leave European Central Bank President Mario Draghi under investor pressure to today flesh-out his plan to tame borrowing costs by buying bonds. In a sign his July vow to do “whatever it takes” to defend the euro is working, the poll signaled growing optimism the 17-nation euro area would stay intact through the rest of this year.