Stocks may have sailed higher on the Federal Reserve's tapering announcement, but David Robin of Newedge warns that the structure of the tapering timeline means that if economic data continues to improve, the market will run into a serious problem.
"If we get a surprise piece of data, if all of a sudden in February we've got the unemployment rate at 6.6 percent and three or more consecutive 200-plus nonfarm payrolls numbers, I think all bets are off," Robin said on Thursday's "Futures Now." "I think that the Fed has opened the door to exaggerated reactions due to data dependency."
(Read more: Wits beat out speed in S&P's post-taper surge)
In its statement Wednesday, the Federal Open Market Committee said that the Fed would reduce its monthly asset purchases by $10 billion, to $75 billion.
The FOMC also made it clear that economic data will determine the pace at which that amount is cut to zero, saying that it "will closely monitor incoming information on economic and financial developments in coming months."
Asset purchases are not on a preset course, it said, "and the Committee's decisions about their pace will remain contingent on the Committee's outlook for the labor market and inflation."
(Read more: Full text of Fed statement)