"The eurozone has managed to maneuver itself into a dead end. The clear solution would be for the European Central Bank to intervene, and if it doesn't I don't see how Spain can get out of this hole," said Lefteris Farmakis, an interest-rate strategist at Nomura International in London.
The New York Times reported Thursday Germany's Parliament approved paying its share of the $122 billion Spanish bank rescue effort agreed to in June by members of the eurozone.
In Italy, Parliament agreed to two critical measures including creation of the European Stability Mechanism, a permanent international funding assistance program, and a measure requiring European governments to control their finances, the Times said.
But borrowing costs for Spain continued to rise. After a $3.6 billion debt auction Thursday, five-year bond yields jumped from 6.072 percent to 6.459 percent. Yields on 10-year bonds briefly topped 7 percent before settling at 6.926 percent.
Italy's 10-year bond yields slid to 5.972 percent, a level analysts call uncomfortably high, especially compared with Germany's rate on comparable bonds, which is 1.215 percent.
"At the moment it is still a game of chicken, of who is going to blink first, the politicians or the ECB?" Farmakis said.
"Demand for Spanish paper is collapsing, even for shorter-dated debt, which is very worrying and raises the specter of Spain losing market access," Nicolas Spiro, managing director of risk assessment firm Spiro Sovereign Strategy, told the Times.
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