Workspace /A3 Curve Builder
A3

Curve Builder

Turn quoted par yields into the zero, forward and discount curves that pricing needs, one bootstrapping step at a time.

Learning focus: why par, spot and forward curves differ, and how the interpolation choice changes forward rates.

Settings
Par yields

Sample curves are for practice, not market data. Edit any yield to see the curves respond.

TenorPar yield %
2-year zero
3.9538%
10-year zero
4.5496%
10-year discount factor
0.637716
2s10s par spread
55.0 bp
2y→10y forward
4.6988%
Nodes bootstrapped
13
Par, zero and forward curves
Quoted tenors
TenorPar yieldZero rateDiscount factor6M forward ending here
1M3.600%3.600%0.997031—
2M3.620%3.620%0.994038—
3M3.650%3.650%0.990998—
4M3.680%3.680%0.987918—
6M3.720%3.720%0.9817403.720%
1Y3.800%3.801%0.9630493.882%
2Y3.950%3.954%0.9246834.183%
3Y4.050%4.057%0.8864874.315%
5Y4.200%4.215%0.8117504.571%
7Y4.350%4.380%0.7384064.915%
10Y4.500%4.550%0.6377165.089%
20Y4.800%4.936%0.3770845.693%
30Y4.900%5.078%0.2221795.495%