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  • Consultant @ Veneficus
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Nov
22
comment Calculating portfolio VaR for (custom) leveraged products
The model depends on the assets you want to calculate the VaR for. For instance if you have stocks and want to use a simple model you can look at this question: quant.stackexchange.com/questions/4589/… The answer as it is now just describes the general solution, you would have to provide more details about your specific situation for hints on implementing $f(x)$.
Nov
21
answered Calculating portfolio VaR for (custom) leveraged products
Nov
21
comment Calculating portfolio VaR for (custom) leveraged products
I will, later today
Nov
20
comment Calculating portfolio VaR for (custom) leveraged products
Have you considered Monte Carlo? Using MC you could also model non-linearities.
Nov
20
answered portfolio optimization from empirical return distributions
Nov
15
answered Why is the CAPM securities market line straight?
Nov
13
revised Skewness and Kurtosis under aggregation
deleted 3 characters in body
Nov
12
comment Is it possible to derive the “risk tolerance” from the portfolio efficient frontier?
You mean the $\lambda$ in $\mu - \lambda \sigma$?
Nov
2
revised Is the stock price process a martingale or a Markov process?
Typos
Oct
21
revised Alternative liquidity measures
Clean up, provide link to Amihud paper
Sep
29
comment Integrating log-normal
An intuitive explanation can be found in Financial Calculus by Rennie and Baxter.
Sep
29
revised Fastest solver possible for portfolio optimization
Add point about seeding and at refrence to Numerical Optimization by Nocedal and Wright
Sep
28
comment Fastest solver possible for portfolio optimization
I don't know whether this applies in this scenario but another idea is seeding the solver with a good initial guess. In this case a good guess could be obtained by using the portfolio weights of the previous day.
Aug
30
comment What distribution to assume for interest rates?
Thanks, I've added some links to your answer.
Aug
30
revised What distribution to assume for interest rates?
Add links to papers in comment
Aug
28
comment What distribution to assume for interest rates?
Do you have any references?
Aug
24
revised How to estimate CAViaR (Engle and Manganelli 2004) using non linear quantile regression?
Spelliing error, cursive symbols.
Aug
21
comment Appropriate method for calculating negative returns on a trading strategy?
@Freddy nice comment
Aug
21
comment Appropriate method for calculating negative returns on a trading strategy?
I see no reason for downvoting but the pros and cons of the different methods is always interesting. So please do elaborate.
Aug
16
comment How to annualize skewness and kurtosis based on daily returns
Have a look at this question: possible duplicate of Skewness and Kurtosis under aggregation