Parallel and Non-parallel Shifts in Yield Curve
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Parallel Shift
Rates across the maturity spectrum change by a constant amount and the slope of the yield curve remains consistent.
![](https://financetrain.sgp1.cdn.digitaloceanspaces.com/parallel-shift.png)
Non-Parallel Shifts
- Twist: The slope of the yield curve becomes flatter (the spread between short and long term yields narrows) or steeper (the spread between short and long term yields widens).
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