Questions tagged [finance]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2
votes
2answers
750 views

Why does the short rate in the Hull White model follow a normal distribution?

Consider Hull White model $dr(t)=[\theta(t)-\alpha(t)r(t)]dt+\sigma(t)dW(t)$ when we solve the SDE above we have $r(t)=e^{-\alpha t}r(0)+\frac{\theta}{\alpha}(1-e^{-\alpha t})+\sigma e^{-\alpha t}\...
2
votes
1answer
705 views

CAPM and factor modeling: Machine learning

Excuse my ignorance with this I am still trying to wrap my head around the interpretation of the Fama French 1992 factor paper. I come from a computer science background but I am interested in ...
2
votes
1answer
279 views

CAPM Calculations

Im trying to calculate Alpha using CAPM & I have data on everything necessary. $$R_t-R_f={\alpha}+{\beta}\times(R_m-R_f)$$ i.e. $${\alpha}=R_t-R_t-{\beta}\times(R_m-R_f)$$ In more detail, I ...
2
votes
2answers
137 views

American call and put prices, increasing in maturity

Show that American call and put prices are increasing in maturity $T$. Does this mean I need to show that as $T$ increases than the American call and put prices increase as well? If so, how do I go ...
2
votes
2answers
62 views

Standardized numerical values for ratings

Is there a standardized way of transforming the ratings of any of the major ratings agencies (S&P, Moody's, Fitch) to a numerical value. Ideally, it might be possible to create a similar scale for ...
2
votes
2answers
143 views

Utility functions, are they used in the real world by hedge funds, banks, etc?

I am starting to study mathematical finance. When I studied microeconomics and macroeconomics I studied utility functions, but I never saw how they are in the real world. I do not see how they can be ...
2
votes
1answer
225 views

Exclusion of Utilites and Financials in Magic Formula

In Joel Greenblatt's magic formula, see https://en.wikipedia.org/wiki/Magic_formula_investing, why are utilities and financials excluded? What is the reasoning behind this?
2
votes
1answer
561 views

What discount rate to use when valuing binomial option with real probabilities

We all know that we can use the argument of risk-neutrality and the law of one price, to get the option value without the real world probability. However, suppose if we use the real world probability ...
2
votes
2answers
65 views

Low-Cost Historical Corporate Financials Data?

For my finance textbook, I would like to recommend data sources that students can afford. Obviously, Compustat is not affordable. Are there any low-cost or free data bases that offer basic ...
2
votes
1answer
168 views

Where can I find ideas for strategies? [closed]

Every book I read refers me to many other books, there is practically no way I can read all this text in my life time. Once and for all, where is the best place to fish for ideas?
2
votes
2answers
800 views

what data sources are useful for obtaining financial statement data of listed companies NYSE and NASDAQ?

Exactly, I need balance sheet, income statement, cash flow statement, stock market, bankruptcy situation, fraud situation and corporate governance data of companies in USA. Thanks beforehand,
2
votes
1answer
155 views

Coupon bond pricing problem with reinvestment

The three year bond has face value USD 100, and pays USD 5 coupons annually, the last one at maturity. Assume that the continuously compounding rate is 7%. (a) Find the price of this bond. (b) ...
2
votes
1answer
77 views

Which methods are there to determine the price of futures contracts?

Which method apart from the cost of carry model exists, and which works best in real life? How does the market expectations impact on the futures price?
2
votes
1answer
75 views

How to Parameterize a Bond Yield Curve?

Suppose I have a Bond Yield Curve (assume Semi-Annual Compounding), at term 1M, 3M... 1Y, 2Y... 10Y, 15Y ...30Y (x-axis is maturity / term). How should I parameterize this yield curve? Any ...
2
votes
1answer
112 views

Explaining an Option product: SIX Discount Certificates

So I have the option with the important info above. I am trying to generate a portfolio that represents the option. However I am stuck on the first hurdle as I believe it is a call option as the ...
2
votes
1answer
66 views

Objective measure of highly leveraged firms using Debt-to-EBITDA ratio

I am looking for some kind of guidance what is generally considered a high or low ratio of Debt-to-Earnings before interest, tax, depreciations and amortisations (EBITDA). In a recent article by The ...
2
votes
1answer
138 views

Price of European calls in Merton's Model

The stock price is modeled by $$S_t = S_0 e^{bt +\sigma B_t + \sum_{k=1}^{N_t} Y_k}$$ with $B_t$ Brownian motion, $Y_k$ iid $N(\mu,\delta^2)$, $N_t$ a Poisson process independent of $(B_t)$ and $Y_k$ ...
2
votes
1answer
392 views

Types of programming languages used for optimization in finance

I'm currently taking graduate finance courses, and wish to pursue a career in finance - in particular $\textbf{optimization in finance}$. To date, I've only been taught the GAMS programming language (...
2
votes
2answers
223 views

Common misconceptions in Quantitative Finance? [duplicate]

This question is motivated by my experience of meeting some markets professionals who claimed certain things about Black Scholes and option pricing. So I am wondering what are some of the common ...
2
votes
1answer
149 views

When a particular bond is delivered, why there is the need to define a conversion factor? What is its utility?

Where, the conversion factor for a bond (by John C. Hull) is set equal to the quoted price the bond would have per dollar of principal on the first day of the delivery month on the assumption that the ...
2
votes
1answer
415 views

How do I calculate Market Dividend Yield from this data?

Thanks for reading, I am trying to calculate the market dividend yield for this set of data. The authors define it as 'The market dividend yield (MDY) is the one-year dividend from the CRSP value-...
2
votes
1answer
79 views

Use no dominance to show that the price of the call option satisfies the inequality

Assumption 2.1 - If the payoff $P$ of a financial instrument is non negative, then the price $p$ of the financial instrument is non negative. Assume $C$ is just the price of the call option, and $C^...
2
votes
2answers
632 views

Is it possible to download stock-data countrywise with quantmod package for R?

Is it possible to download stock-data countrywise with quantmod package for R ? Hi, I'm wondering if it's possible to download equities countrywise. Let's say i want all data from the Finnish market....
2
votes
2answers
935 views

Portfolio Management in R

I’ve been looking around for a R-package that will allow me to track my stock portfolio - basically I would like to enter stocks that I own, track the trades I make, calculate my open position & ...
2
votes
1answer
244 views

Difference between stochastic calculus and newton calculus

As I am not a student of hard core mathematics,I just want to know how stochastic calculus is different from newton calculus. What make stochastic calculus different from simple newton calculus ?
2
votes
2answers
113 views

What interest rate should I use for testing the covered interest parity?

I am doing an empirical test of the CIP from the recent financial crisis between Canada and the United States. I am using 1,2,3,6,12 month forwards (monthly data). What interest rates should I use? I ...
2
votes
1answer
1k views

How to simulate stock prices with stochastic time change subordinated arithmetic Brownian Motion?

the idea is to simulate price returns thus to be normally distributed i 'am trying to use subordinated arithmetic brownian motion subordinated to time activity (volume) stock prices are following GBM ...
2
votes
1answer
672 views

In Yahoo! Finance, what determines the number of decimals for a stock/index quote?

In Yahoo! Finance, we see the following quotes among others: ...
2
votes
1answer
101 views

Data: Why is a firm stock delisted?

Shumway (1997) highlights that stock returns in cross-sectional portfolio analysis have to be adjusted for firm delistings. The CRSP database maintains a monthly delisting file (msedelist) with ...
2
votes
1answer
223 views

Fama French sorting

I am trying to calculate my own monthly fama french factors SMB and HML and I have a general question about a final screening act. I understand that to sort companies in june of year $t$ they need to ...
2
votes
1answer
620 views

Why is Overnight LIBOR lower than BoE Base Rate?

According to this site, the current overnight GBP LIBOR is 0.45638%, and the Bank of England base rate is 0.5%. My understanding is that the overnight LIBOR should always be higher than the base rate,...
2
votes
1answer
160 views

Sovereign bond CDS data

Does anyone know where I can download from historical data for sovereign bond CDS (credit default swaps) rates? preferebly free?
2
votes
1answer
111 views

minimum variance hedge with stochastic processes

Problem set up: asset S: $$\frac{dS}{S} = \mu dt+\sigma dz$$ Hedged using a forward contract: $F = F(S,t).$ Hedge portfolio: $$P = S+nF$$ I want to find the variance of $dP$, and then minimize that ...
2
votes
1answer
2k views

Computing Buy-and-hold abnormal returns (BHARs) $= \prod_{t=\tau_1}^{\tau_2}(1+R_{i,t}) - \prod_{t=\tau_1}^{\tau_2}(1+R_{m,t})$

I am doing an event study and wanted to know if was going about this correctly$$ \text{BHAR}_{i(\tau_1,\tau_2)}\quad=\quad\prod_{t=\tau_1}^{\tau_2}(1+R_{i,t})~-~\prod_{t=\tau_1}^{\tau_2}(1+R_{m,t}) $$ ...
2
votes
3answers
2k views

accuracy of Yahoo Finance stock data (Python module)

I am using the yahoo finance python module: https://pypi.python.org/pypi/yahoo-finance I am using it for a project and would like to see if anybody else uses data from this source and can vouch for ...
2
votes
1answer
36 views

Compute the risk measured by the standard deviations $\sigma K_1, \sigma K_2, \sigma K_3$, does this have to do with weights?

Compute the risk measured by the standard deviations $\sigma K_1, \sigma K_2, \sigma K_3$ for each of the investment projects, where the returns $K_1, K_2$, and $K_3$ depend on the market scenario: $$...
2
votes
1answer
126 views

Modeling Financial Assets

Let $\tilde{W}_t := (1+R)^{-t}W_t$ and $\tilde{S}_t := (1+R)^{-t}S_t$ be respectively discounted wealth process and discounted asset price. Then, show that $$\tilde{W}_t = w_0 + \sum_{i=1}^{t}\Delta_i(...
2
votes
1answer
93 views

Why there are almost no book for revenue analytic?

Why there are almost no book for revenue analytic? By revenue analytic, it is meant to be predicting the revenue of a firm in the future
2
votes
1answer
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....
2
votes
1answer
133 views

PEGY Ratio: Does it make sense?

PEGY ratio is calculated as PE ratio/(Earnings Growth Rate + Dividend Yield). Putting aside the discussion of whether forward or trailing P/E ratio should be used, isn't adding dividend yield over ...
2
votes
1answer
512 views

How does currency valuation depend on the cash reserve ratio for a country?

Currency valuation (with respect to other currencies) is an important parameter in finance, but how is it related to the cash reserve ratio?
2
votes
2answers
20k views

Wealth Management Vs Asset Management [closed]

What is the difference between the two? Today in the FT I see that UBS is the second biggest 'wealth manager' after BOA whilst I was always under the impression that Blackrock was the largest asset ...
2
votes
0answers
79 views

Do you have any examples of 2 assets that are non linearly correlated? And any models that calculate portfolio risk based on non-linear correlation?

Do you have any examples of 2 assets that are non linearly correlated? And any models that calculate portfolio risk based on non-linear correlation?
2
votes
0answers
88 views

Does Academic Research Destroy Stock Return Predictability?

McLean/Pontiff (2016) give evidence that portfolio returns are 26% lower out-of-sample and 58% lower after publishing an academic paper on variables, which are likely to predict cross-sectional ...
2
votes
0answers
228 views

Long term equity repo

Let's assume I have various European stocks and would like to somehow estimate their long-term (5y+) forward prices. As for repo rate for each individual stock, is it reasonable to assume that its ...
2
votes
1answer
228 views

Feynman Kac Terminal value problem two variables

So, I need some help to move forward with this problem. $$ \begin{cases} \frac{\partial F(t,x,y)}{\partial t}+\frac{1}{2}\frac{\partial^2 F(t,x,y)}{\partial x^2}+\frac{9}{2}\frac{\partial^2 F(t,x,y)}...
2
votes
0answers
88 views

Will I have time to continue reading some papers in physics after joining hedge funds? [closed]

I'm a phd student in physics, and trying to find a job in hedge funds (which better value and respect scientific logic and methods very much, rather than focus on the social network. Although I'm good ...
2
votes
0answers
70 views

Want to understand the links and relationship between all the risk metrics?

For Example : if Risk weighted asset (RWA) increased or decreased this month, which other risk metrics could have influenced RWA to increase or decrease. Also in different situations like, upward ...
2
votes
0answers
2k views

How can I convert Yahoo Ticker Symbols into ISIN Codes?

I have a list of all Yahoo Ticker Symbols and I want to convert them into ISIN Codes. I have been researching and found out that finance.yahoo in the US does not ...
2
votes
0answers
258 views

CFA (Level 1) schedule after school and working a 9-5 job [closed]

I am graduating with a BS in math and obviously love math but everything changed when a buddy of mine invited me to an investment society in our school and I love every single experience. The part I ...