Comments (6)
dpinte
commented on August 14, 2024
@arthurcolle thanks for reporting the issue. There is an easy fix for this bug. We should expose the empty constructor from the Euribor class ( see ql/indexes/_euribor.pxd). I'll see if I can find a minute to fix it. If you want to give it a try, let me know.
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stochastic-thread
commented on August 14, 2024
Yes I am free to try at your leisure! I just ran a 'git pull origin master' and the master branch was already up to date so just let me know and I'll try again whenever. Thanks for the prompt response
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dpinte
commented on August 14, 2024
There is some work on the fix/bug_76 branch but it revealed some other issue with swap.py example (wrong usage of relinkable handles). I'll try to fix that as soon as possible.
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dpinte
commented on August 14, 2024
@arthurcolle if you want to give a shot at #77 that would be great.
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stochastic-thread
commented on August 14, 2024
Traceback (most recent call last):
File "swap.py", line 101, in <module>
for n, unit in swaps.keys() ]
File "swap.py", line 101, in <listcomp>
for n, unit in swaps.keys() ]
File "quantlib/indexes/euribor.pyx", line 41, in quantlib.indexes.euribor.Euribor6M.__init__ (quantlib/indexes/euribor.cpp:2721)
TypeError: __init__() takes exactly 1 positional argument (0 given)
Here is output when I run it.
I totally rebuilt this repo from scratch btw, in its own venv, so lmk if you think I'm doing something wrong.
The above output is when I ran "python swap.py" at the command-line but here is the output in iPython as well, which my be a distinct issue, but just reporting for your info:
ImportError Traceback (most recent call last)
<ipython-input-2-677456946651> in <module>()
4 """
5 from __future__ import print_function
----> 6 from quantlib.indexes.euribor import Euribor6M
7 from quantlib.pricingengines.swap import DiscountingSwapEngine
8 from quantlib.settings import Settings
ImportError: No module named 'quantlib.indexes.euribor'
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dpinte
commented on August 14, 2024
Something happened in your compilation step. Are you sure you're on the fix/example_swap branch? The fact that you don't have the quantlib.indexes.euribor module shows that it was not cythonized and compiled properly.
What platform do you use? This is the output of the swap.py example for me with the fix in place:
DP-MBP:pyql dpinte (fix/example_swap) $ python examples/swap.py
==================================================================
5-year market swap-rate = 4.43 %
==================================================================
5-years swap paying 4.00 %
term structure | net present value | fair spread | fair fixed rate
------------------------------------------------------------------
depo-fut-swap | 19067.30 | -0.4192 % | 4.4300 %
depo-FRA-swap | 19055.41 | -0.4193 % | 4.4300 %
------------------------------------------------------------------
5-years, 1-year forward swap paying 4.00 %
------------------------------------------------------------------
depo-fut-swap | 42129.89 | -0.9710 % | 4.9976 %
depo-FRA-swap | 37151.83 | -0.8564 % | 4.8793 %
==================================================================
5-year market swap-rate = 4.60 %
==================================================================
5-years swap paying 4.00 %
term structure | net present value | fair spread | fair fixed rate
------------------------------------------------------------------
depo-fut-swap | 26541.00 | -0.5846 % | 4.6000 %
depo-FRA-swap | 26524.45 | -0.5848 % | 4.6000 %
------------------------------------------------------------------
5-years, 1-year forward swap paying 4.00 %
------------------------------------------------------------------
depo-fut-swap | 48499.75 | -1.1217 % | 5.1529 %
depo-FRA-swap | 42835.30 | -0.9907 % | 5.0176 %
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