California’s delay of a $10 billion municipal bond sale has only fueled existing chatter on trading floors that the Federal Reserve would take the extraordinary step of buying these securities just as it has with Treasuries. Chairman Ben Bernanke would pursue this unprecedented route, if he thought necessary, even after the vocal criticism he’s received for his second round of quantitative easing, they said.

“Given the recent bond offering by California appears to have been given the cold shoulder by the public, might they turn to the Fed?” asks Art Cashin, director of NYSE floor operations at UBS Financial Services, in his widely-read morning note to clients.