# All Questions

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### Does a Call Spread always need to be symmetric?

I have a plot of a Call Spread Option at time $t ={0}$ but the graph of the call spread is not completely symmetric. My question is: does it have to be? Here is the plot I'm referring to: I'm just ...
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### Implied volatility

I have a question about calculating the implied vol. Assuming the implied vol that a option will expire in 1 day is $\sigma_1$, and the implied vol that the option will expire in 2 days is $\sigma_2$. ...
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### How can extract parameters in the CIR model from data?

I want extract CIR parameters from monthly LIBOR data in the EULER-MARYAMA method in MATLAB languge. I find data but I cant extract parametrs form that! what is the process? what is the formula?
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### What is the u vector in the expression for the weights of the min variance portfolio

I was working on my finical math homework where I need to find the minimum variance portfolio. I need to use the following matrix expression. Nowhere in the class notes does the instructor say ...
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### subsamples versus dummy variable approach, Fama MacBeth (1973) procedure

I am running an asset pricing test (Fama MacBeth); regressing six month ahead excess stock returns on past six month return (momentum) and a number of control variables (B/M, Size etc). I have run my ...
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### Comparison of Implied Vol Models

My goal is to evaluate a collection of implied volatility models for accuracy supporting real time theoretical pricing of listed equity option. My current research approach is to define a set of ...
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### Machine learning techniques for quantitative finance?

I am a mathematician who wants to learn about quantitative finance, in particular how machine learning can be applied to it. I assume some machine learning techniques are more applicable than others ...
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### How to obtain Standardized Residuals from a Time-Series?

I have my estimates for an AR(3). To obtain the residuals I'm supposed to use $$Y_t-\hat\phi_0-\hat\phi_1Y_{t-1}-\hat\phi_2Y_{t-2}-\hat\phi_3Y_{t-3},$$ where the Y's are from the dataset. If I do ...
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### News about CAPM/FF3FM or asset pricing models in general

Is there any interesting news about CAPM/FF3FM or asset pricing models in general lately? Would have been greatly appreciated!
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### Backtesting algorithms

Are there any books/papers/articles to describe how to develop a backtesting software? Something like backtest in quantopian website. How do they calculate the Cumulative performance?
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### Lebesgue-Stieltjes integration and related topics

The theory of stochastic integration relies on the concept of the Lebesgue-Stieltjes integral. However, it is hard to find a textbook that handles this concept in detail. Take, for instance, Chung ...
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### Can an order be filled but uncommitted?

Let's say I place an order to buy shares. Let's says uncommitted shares are those not actively working with other destinations or brokers, and committed shares are those actively working but yet ...
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### How to download all 10-K reports for all companies listed on S&P 500?

I am doing a regression analysis of all companies listed on s&p 500. It requires their 10-k reports. Where can I download all of them once?
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### Is it possible to find / estimate the volatility surface of non-listed index options?

I have 3 QNET options (european, 2 puts, 1 call, all same expiry, different strikes) that the broker is pricing clearly off a volatility surface. Bloomberg only carries historical volatility and I ...
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### What is Estimation Risk - VAR Backtest

Simple Question. Can someone explain please: What is Estimation Risk in Value at Risk Backtesting
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The following question is more math than quant, but since it arises from a mathematical finance textbook, I've figured the good people in this sub might be able to help me. So here goes. In the 3rd ...