# All Questions

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### Valuation of Mortgage Backed floating notes

Does anybody have experience in valuation of mortgage backed floating notes? I have task to value the 4 different MBS floating notes. I know that it should be done through montecarlo, refinancing ...
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### beginner hurst exponent question

2 simple questions about the hurst exponent. I am using the R/s method to calculate and I've been able to logic it out with no prior experience with time series hence my beginner questions. I've ...
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### Semi-strong efficiency and HFT

The semi-strong efficient market hypothesis states that In semi-strong-form efficiency, it is implied that share prices adjust to publicly available new information very rapidly and in an ...
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### How do Order Management/Matching Systems match/allocate orders (and filled prices)?

I am working on an improvement of my company's order allocation system. We run a central Order Management System (OMS) but currently performance attribution from filled orders leaves room for ...
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### IB API quotes and speed

The title says it all. I trade futures options exclusively and wanted to see if anyone had insight into the quote speedsrobustness coming into the API. I'm using the Excel DDE right now just building ...
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### Fama-French 3-factor model: factors implying risk

The Fama-French three-factor risk model is given by $$r=R_f+\beta_m(K_m-R_f) + \beta_s\cdot\mathit{SMB}+\beta_v\cdot\mathit{HML}+\alpha$$ where $r$ is the return, $R_f$ is the risk-free rate, $K_m$ ...
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### Plain vanilla risk parity with trends forecasting power

I have built an asset allocation model (plain vanilla risk parity) but I would like to adapt the initial asset allocation with respect to potential futures changes in the trends of the assets under ...
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### What's wrong with this asset growth simulation?

Sorry if this is too basic, but I have this spreadsheet that simulates asset growth of a portfolio under a given return and risk using MPT. Here is a plot of probability distribution of asset ...
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### How to apply Ljung Box Test?

I am checking the closing prices(about 9000+ prices) of the stocks data to test for randomness. The test I am using is Ljung Box test, in MFE toolbox for MATLAB, I used 300 data of closing prices, ...
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### Does it make sense to apply complicated mathematics to calculate with precision when the margin of error is +/-10%? [closed]

This is more of a philosophical question than general question. Quantitative finance applies highly complicated mathematics and has attracted very smart people to this field lately given the high pay ...