# Questions tagged [financial]

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### Do quants need to know Accounting?

Do quants need to know Accounting? In my school's undergrad Quant program, we had Financial Accounting and Managerial Accounting, which were listed as prerequisites for our undergrad Finance subjects....
294 views

### How to calculate Skulls Financial Turbulence for one asset?

I have just read this paper http://www.cfapubs.org/loi/doi/abs/10.2469/faj.v66.n5.3 In the paper they define financial turbulence formula as: Could anyone help me calculate/understand this formula, ...
971 views

### Historical Financial Statement to Backtest in R

I would like to preface this by saying I am preparing for an upcoming internship this summer so I am extremely new to Quant Finance. At my university we have access to Datastream by Thomson Reuters ...
57 views

### Are financial returns considered more volatile in recessionary times as opposed to expansionary times?

I need help in understanding some results that I have obtained. I am doing some out-of-sample performance analysis for different targets of volatility in mean-variance optimization where I solely ...
77 views

### $\frac{1}{p(T_{i-1},T_i)}(A-p(T_{i-1},T_i))^+$ at time $T_i$ is equivalent to a payment of $(A-p(T_{i-1},T_i))^+$ at time $T_{i-1}$

How can I show that payment of $\frac{1}{p(T_{i-1},T_i)}(A-p(T_{i-1},T_i))^+$ at time $T_i$ is equivalent to a payment of $(A-p(T_{i-1},T_i))^+$ at time $T_{i-1}$ ? Where A is a deterministic constant....
19 views

### Decision criteria after seasonal drop (GAME)

I'm playing a game in which you can buy and sell items (it's an mmorpg). Now, after certain events, there is a huge drop in the price of certain items (there is a seasonal double experience weekend in ...
314 views

### Regularizers to compute Minimum Variance Portfolio weights

I need to compute the mimimum variance portfolio using different regularizers, to compare the results and use validation methods to find the optimal parameters. Currently my work has been performed ...
82 views

### Compare portfolio variance using different regularizers

I'm given a question like below. Using the 48_Industry_Portfolios_daily dataset: characterize/describe the dataset and focus on the global minimum variance portfolio. Compare the portfolio variance ...
229 views

### Financial Mathematics essay topic

I have a mathematics background and I am currently doing a Masters in Financial Mathematics. I am required to write an essay in a financial mathematics area but I have little knowledge about it since ...
39 views

### Definitions of bubbles

In Financial Bubbles: Mechanisms and Diagnostics, Sornette and Cauwels define the concept of "bubble": More technically, during a bubble phase, the price follows a faster-than-exponential power law ...
116 views

### Wavelet transform (the à trous time-based decomposition) in R

I urgently need to know how to apply the 'à trous' time-based decomposition in R [also known as Stationary Wavelet Transform] on a time series as a preprocessing, to use the result in forecasting and ...
58 views

### What are the best sources for fundamental financial data? (not yahoo or google, neiter SEC counts as good) [duplicate]

I'm looking for a source for fundamental financial data, where I can download financial statements into excel. The source should provide the exact figures shown in the annual reports (not standardized)...
469 views

### Difference in weekly and monthly data

I am confused about the following: I checked daily and weekly prices for Exxon (and also GE). But the values for Open, Low, High, Close, Vol., Adj. Close for both data streams seem to differ from each ...
42 views

### Practical applications of financial instruments with infinite lifetime

In financial mathematics, mathematician sometimes consider financial instruments with infinite lifetime, e.g. bonds or options. I am curious how it looks in practice. Is the case of ​​an infinite ...
can anyone help me to explain how the following model works? In this formula $P(t)$ is a price at time $t$ and $F(t)$ is the residual noise term. The $\omega(i;T_i)$ and $P_{o}(i;T_i)$ are ...