Non-Parallel Shift in the Yield Curve Love Machine 16 years ago Non-Parallel Shift in the Yield Curve Opposite of parallel shift in yield curve. A change seen in a yield curve where different maturities of the same security show different yield changes as measured in basis points. Recommended for you: Parallel Shift in the Yield Curve Flattening of the Yield Curve Parallel Loan Butterfly Shift