# Questions tagged [statistical-finance]

Statistical finance, which is also called 'econophysics' is the application of statistical tools to the study of financial markets data.

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### Fama/Macbeth Regression - negative estimate for market premium

I just conducted a Fama-Macbeth regression to estimate the risk premia of Mkt-Rf, HML and SMB. As a result, I got a negative risk premium for Mkt-Rf which makes no sense in my opinion. As I couldn't ...
55 views

### Calculating a Linear Weighted Moving Average in Python

Usually called WMA. The weighting is linear (as opposed to exponential) defined here: Moving Average, Weighted. I attempt to implement this in a python function as show below. The result is a list ...
130 views

### Implementation of Maximum Drawdown in python working directly with returns

I have a strategy on a stock (such as Buy and Hold) on which I have to calculate the maximum drawdown. The problem is that I'm working on returns expressed in percentages, so I do not have the time ...
83 views

### Cash flows regression on macroeconomic data

I'm looking into a research project and am struggling to find any existing work on this or whether I'm asking the right question. My question is to test the relationship between macroeconomic ...
322 views

### What is the fastest common moving average?

I am trying to find what standard moving average would give me the fastest adjustment or strongest weight to most recent data, but without changing the number of periods. Here is some sample data and ...
76 views

### Overview of frequentist, likelihood and Bayesian approaches to finance problems

In quantitative finance tasks (asset pricing, portfolio optimization, option pricing, volatility forecasting, etc), there are frequentist, likelihoodist and Bayesian approaches or interpretations to ...
107 views

### How to apply derived beta to daily change?

I've taken three months of price return data for two instruments and calculated a $\beta$ between the two using the formula $\beta = \frac{Cov(x,y}{Var(y)}$ with the goal of estimating what the ...
69 views

### What is the R code for estimating copula parameters of BB1 with dim=2? And what's the code for gof test of BB1?

Kindly assist with R code for BB1 copula. Text books and research articles provide codes for clayton, gumbel, frank, normal and t copulas. However, I can't find code for BB1. For example, this is ...
74 views

### Issues making series stationary

I am trying to run some ARIMA forecasts and I switched recently from R to Python. I am struggling for some reason to make this series stationary . I try to take the log returns of stock prices as such ...
63 views

### How to use autocorrelation plot to interpret time series data?

how can we use auto correlation plot or correlogram to interpret time series data? I have 6 different acf plots (a,b,c,d,e,f), from this 6 plots what kind of informations and patterns can I identify? ...
109 views

115 views

### Assessing goodness of a Technical Trading Rule using a ROC model

I am testing various technical trading rules (TTR) on the cryptocurrency market. I have already setup some significance tests, to compare the returns and volatilities. I would now like to test it ...
69 views

### Scenario Analysis - Real life application

Given a portfolio consists of Stock = usd 40, Bond = usd 40, commodity =usd 20. Also given the correlation between these assets. Scenario 1 : stock down by 30% When performing scenario analysis, do ...
23 views

### Show that the variance of the portfolio market portfolio is function of the betas of its consituents [closed]

Let us assume that the market portfolio consists of n assets. Given that the return of the market portfolio can be written as $r_m = \sum_{j=1}^{n} w_jr_j$, we have that \$\sigma^2_m = E(\sum_{j=1}^{n} ...
30 views

### Statistical procedures on comparing the four Asset pricing models [closed]

I'm a business student and currently writing my thesis on comparing asset pricing models on industry portfolio returns. Being a business student, I lack the knowledge for statistical analysis ; so I ...
268 views

### Applications of distance correlation

This question mentions distance correlation. Where has this concept been applied to financial data and provided new insight? Do you know any examples or references?
44 views

### Decomposition of interest rate risk [closed]

Hi I needed some clarification on something. I have three variables: V1 which is an indicator of an interest rate risk premia V2 which is an indicator of a credit risk premia V3 which is an ...
68 views

### Cross Product Ratio Analysis

Can you please advise? I have been recently trying to sort this out for couple of days but cannot get the same numbers as previous authors: The equation is shown in Agarwal and Naik Multi-Period ...
39 views

### Is there a quantitative definition of a Quiet, Moderate or Accelerate market conditions?

i know the StdDev price technical indicator which is the standard deviation but this one has an absolute value. The market conditions are: Quiet: lower oscillation of price around a constant ...