Questions tagged [finance]

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47 views

How to generate two correlated random samples, one follows geometric Brownian motion, the other follows a beta distribution? [closed]

I'd like to conduct a Monte Carlo simulation with two random variables. One random variable is generated by geometric Brownian motion, the other random variable is sampled by drawing random values ...
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1answer
53 views

Equilibrium in the Kyle (1985) model

In his 1985 paper, Kyle presents 3 versions of the same model: a single period model, a multiple period model and the continuous time limit of the multiple period model. When he formalizes the ...
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1answer
38 views

What currencies has LIBOR historically been offered in?

The Wikipedia article on LIBOR says: In 1986, the Libor initially fixed rates for three currencies. These were the US dollar, British pound sterling and the Deutsche Mark. Over time this grew to ...
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26 views

Question on money-weighted return or IRR [closed]

At the beginning of Year 1, a fund has \$10 Million under management; it earns a return of 14% for the year. The fund attracts another \$100 Million at the start of Year 2 and earns a return of 8% for ...
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0answers
100 views

Is it possible to match talib's RSI results down to machine precision using just python?

I want to match talib's RSI with just python down to machine precision and I'm struggling. Out of curiosity I also tried a bunch of libraries like tulipy and pandas_ta and the gaps are similar. ...
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0answers
45 views

The distribution of mean reversion time from the OU process

I was reading the paper Statistical Arbitrage in the US Equity Market and I couldn't understand the figure that plots the histogram of the empirical distribution of characteristic time to mean ...
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7answers
878 views

Learning and applying Quantitative Finance successfully as an individual instead of a team

In the past few months, I became really interested in using machine learning techniques in the realm of quantitative finance and trading. I made a few rudimentary models and I immediately realized how ...
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1answer
50 views

How to compute portfolio returns when constructing a dollar-neutral portfolio

I am trying to wrap my head around this statement: dollar-neutral portfolios are built: dollar amounts of both long and short positions are equal. Furthermore, it is also true at the stock level: ...
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0answers
31 views

Entry points to finance for Applied Mathematics (Numerical Analysis/High Performance Scientific Computing) PhD Student [duplicate]

I'm looking to go into quantitative finance after my phd in around 2 years. With a background in pdes/numerics/heterogenous and distributed computing, I think my skill set is applicable in this area, ...
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29 views

Extreme and rare events affecting the market

There are extreme events affecting the high-probability [short-term] market such as lowering interest rates that rocket stock prices, even though such events are rare and the market's response can be ...
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0answers
17 views

How do I calculate the real taxes paid from 10-K forms

I guess we are familiar with the discussion, whether companies especially tech companies are paying their due in taxes. There was the huge discussion of Amazon paying nearly no taxes, using loopholes ...
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2answers
229 views

Can we think of Overnight Index Swaps as short-term IRS?

OIS are a series of fixed-rate cashflows discounted at the overnight rate, swapped for overnight (floating) rate. IRS are similarly discounted fixed-rate cashflows, swapped on an IBOR-floating rate. ...
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0answers
44 views

Correcting high AR(1) coefficients in dynamic Gordon model

I have just finished my thesis on a heterogeneous dividend expectations model applied to the COVID-19 crisis. However after receiving some feedback there is one last issue I want to resolve. I'm using ...
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1answer
46 views

Mutual fund performance over time

I am a little bit stuck with my dissertation thesis, so help will be greatly appreciated. I am trying to analyze the performance of different mutual funds, which I have classified according to ...
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1answer
64 views

Looking for a Book which can summaries last 20 years of economics [closed]

What I would like to read is how the economic spectrum have changed over the period ( Central banks policy decisions , QE 1/2/3 , ECB TLTRO, BOJ unlimited stimulus ). How the central bank dealt with ...
2
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3answers
134 views

What are the advantages and limitations of predicting future stock prices using stochastic differential equations?

Recently I came across the following stochastic differential equation that "predicts" the value of a given stock: \begin{equation} dS_t = \mu S_t dt + \sigma S_tdW_t \\ S_t(0) =S_0 \end{...
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38 views

Arbitrage strategy from Arrow Securities

I had this exercise and I calculated the prices of the Arrow Securities, π1 = 0.5 and π2 = -0.2. I know that π2 is not arbitrage-free because -0.2 < 0, but I do not understand that how to interpret ...
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1answer
24 views

How to calculate basis swap fair spread Using Quantlib 'floatfloatswap'?

I am trying to calculate a single currency basis swap by using the Quantlib floatfloatswap function. Please advice if I am doing wrongly. ...
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2answers
97 views

May someone please explain the intuition behind the Black-Scholes Equation?

Consider the Black-Scholes equation for a European Call Option, \begin{equation} \begin{cases}\frac{\partial V}{\partial t} + \frac{1}{2}\sigma^2 S^2 \frac{\partial^2 V}{\partial S^2} + r\frac{\...
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0answers
61 views

List of finance firms

Is there a definite list of finance firms that I can download or scrape? I tried using python to scrape from US News but I couldn't access the server.
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1answer
31 views

Spread determinants

Knowing that bond A is more liquid that bond B, i.e higher volumes are traded on bond A, does this information have any impact on the spread? Can we say that the large volumes traded on A will ...
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0answers
20 views

Efficient portfolio standard deviation

Is annualized/ or average monthly standard deviation applied on the x-axis of efficient portfolio graph? Assuming expected annualized portfolio return is applied on the y-axis. thanks for your help!
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1answer
51 views

Expected return rate greater than required return rate

I am a beginner to finance, today I found a question looks very simple that I am not quite sure about it. Question: Given I am paid \$50,000 now, growing at $6\%$ per year for a total of 10 years, ...
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0answers
88 views

How does negative performance of a portfolio constituent affect its weight?

This is an easy question, I hope. Suppose we have a swap A with a long position, which, originally, has a weight of 30%. Over time, it has a positive performance of 3%, meaning we have a multiplier ...
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0answers
8 views

Bank deposit insurance beyond FSCS limit in UK

For companies, the Financial Services Compensation Scheme (FSCS) provided by the Bank of England only covers up to £85,000. Is there an insurance or financial product that provides insurance above ...
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0answers
27 views

How can I find the payout ratio for this company?

I am doing this question that I couldn't find the payout ratio. For you, company equity beta is unknown, it has a target i.e. current debt to book equity ratio: 0.5 and target debt to market ...
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0answers
45 views

Issue with solving American call option questions

Here are the questions: I tried using DerivaGem, but I am not sure that I got the right result. Here are my attempts at solving the questions: a) Upper and lower bound: Is it correct? Not sure ...
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2answers
67 views

How to calculate 5 EMA

I am trying to understand the basics of finance indicators. I have made 15 minute ohlc candles for the past 50 days. Now if I try to calculate 5EMA, my doubt is ...
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0answers
42 views

Results of Fama MacBeth regression

I have run Fama MacBeth cross section regression of of Excess Return of stocks on Idiosyncratic volatility, the log of market capitalization, book to equity ratio and Beta. I'm getting all significant ...
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0answers
34 views

Asset Pricing and Stochastic Discount Factor: Do well-informed investors only buy efficient portfolios?

I'm currently dealing with the following question: In Asset Pricing, well-informed investors know about the concept of the efficient frontier. Does this mean that they only invest in portfolios that ...
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2answers
1k views

Which process is the most commonly used for modeling stock prices?

I'm thinking of writing a master's thesis about pricing options using Levy processes, but I wonder if these processes are actually used for modeling stock prices or not (and which specifically)? And ...
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3answers
603 views

What are the biggest new advancements in the field of quantitative finance in the last 10 years?

Examples like new research or findings but also older research or findings actually starting to get implemented. Is machine learning starting to get a foothold in finance? Are there any new practical ...
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1answer
70 views

Determining Value at Risk of a Poisson distribution

If my discrete random variable had a poisson distribution with both moments say equal to 10, how can I find the Value at Risk for a 95 percent confidence interval? I have seen that I need to ...
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1answer
98 views

Relation of risk-neutral probability measures to arbitrage opportunities

Could someone describe how risk-neutral probability measures are linked to arbitrage opportunities and also to whether or not a market is complete? I've been asked this question and am unsure how to ...
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1answer
45 views

relationship between the expected rate of return and the value measured by the beta factor

Assume that only two companies are listed on an effective capital market: companies A and company B. Capitalization (market value of all shares) of both companies is the same. Expected rate of return ...
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0answers
28 views

feasible set if short selling of risk free asset is not allowed

I have 3 risky assets and one risk-free asset. From them I have to determine what the set of portfolios achievable looks like if there is short selling of risk-free asset is not allowed. What does ...
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0answers
58 views

CAPM and the Fama-MacBeth (1973)

I need to conduct the Fama-MacBeth (FM) procedure for my thesis to test the ability of the six-factor model to predict future expected returns. In univariate regressions of expected excess returns on ...
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1answer
60 views

is it possible to get minimum variance line having only covariance matrix?

Hey I have covariance matrix: $$C=\begin{pmatrix} 0,01 & 0.01 & 0\\ \\ 0.01 & 0,02 & -0.01 \\ \\ 0 & -0.01 & 0,03 \end{pmatrix}$$ So the variance of porfolio is: $$\...
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1answer
44 views

Do the wallet weights with the minimum variance need to be nonzero?

I wonder if we have n risky assets, does the portfolio with the minimum variance always have non-zero weights or can any weight be 0?
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0answers
38 views

How to annualize alpha calculated from a daily regression?

forgive the super beginner question. I have the following code. bench_return_data and my_return data contain daily returns. I am performing a linear regression between them. Am I calculating ...
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2answers
49 views

Can the total market cap of a country increase beyond its total wealth?

The total wealth of the USA (2019) is $106 Trillion. [1] The total market capitalization of US companies is $37.6 Trillion. [2] Okay, other countries can invest in US markets more than we invest in ...
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1answer
38 views

CAPM Model, is this exercise done correctly?

Hey i need to know if the task is done correctly, please help :) Standard deviation of the rate of return on the market portfolio is equal to $\sigma_{MP}=1,5\%=\frac{15}{1000}$. I have portoflio ...
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2answers
79 views

What the … are all of you studying/working for asking such questions? [closed]

Sry, I'm new here. But I am just astonished by all those sick questions and answers you ask/provide... Are most of you studying mathematics or are your finance programs that good, that you can ask/...
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1answer
240 views

Abstract algebra in economics and finance

Are there any applications of abstract algebra (group theory, rings, fields etc.) in any branch of either economics or finance?
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1answer
88 views

Vega of binary option

I'm calculating the greeks for a hypothetical binary option, and I'm getting a symmetrical parabola for the vega's of both put and call options that are OTM, ATM, and ITM. Both of them dip into ...
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0answers
41 views

Using GOOGLEFINANCE function on google sheets to get historical marketcap

I have a question related to accessing historical data. My first attempt to grab historical data for a few companies was using Google sheets and the GOOGLEFINANCE function. Unfortunately, it seems to ...
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0answers
13 views

CS-Regression Three Factor Model

1# When would the three risk factors market, size and value be priced in the FF Three factor model when performing cs-regression? How do you know that they are priced? 2# How would it be possible to ...
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1answer
106 views

How to manage theta, gamma, vega, and delta risk in options market making simulation

I'm just starting to learn how to trade options and as part of an algorithmic options market making simulation I have risk limits for the greeks (gamma, vega, delta, and theta). There are 9 strikes ...
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1answer
96 views

how to price options in reality [closed]

I'm getting to know the Black Scholes model, which apparently is no longer suitable for pricing options on the market. I would like to write a Master's thesis on option pricing but I do not know what ...
0
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1answer
75 views

R - Portfolio construction based on own calculations, with rebalancing of components

I have used random forest in R to get probabilities for stocks being in a certain class. With those probabilities i would like to construct portfolios containing the 5 stocks with the highest ...

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