One of the Federal Reserve's biggest critics of asset purchases has essentially given up hope for a policy change at a meeting later this month, given the fiscal standoff in Washington.

"My personal opinion is that it's not in play," Richard Fisher, president of the Federal Reserve Bank of Dallas, said of the possibility the U.S. central bank will reduce its quantitative easing (QE) program at an Oct. 29-30 policy meeting. "This is just too tender a moment," he told Reuters.