Questions tagged [quantitative]

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27 views

Negative drift when calibrating GBM parameters

Setup for question: Consider a basket of $N$ stocks $\{S^1, S^2, \dots, S^N\}$. For fixed strike $K$, each stock in the basket, $S^i$, follows the SDE $$dS_t^i = \mu^i(t) S_t^i dt + \sigma^i(K, t) ...
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25 views

Good benchmark for european Flexible asset allocation funds?

Flexible allocation funds usually do not state any benchmark. Because flexible funds allocations are dynamic and less constrained, determining an appropriate benchmark for the funds is challenging. I ...
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1answer
39 views

How do I calculate option payoff before its expiration date? [closed]

How do I calculate option payoff before its expiration date? For example, if I long a 6 month call with K = 11100, T = 0.5, p = 150, what would be the payoff of the option if I exercise it in 3 months ...
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1answer
38 views

Definition Of A Portfolio

I have very recently started studying quantitative finance on my own through a book called An Introduction To Quantitative Finance by Stephen Blythe. In chapter 6 of his book, he sets out to prove ...
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1answer
42 views

How is hypothesis testing work in population sampiling? [closed]

I am learning the basics of quant trading from quantconnect's tutorial Confidence Interval and Hypothesis Testing. I understood the first part of the article but I dont understand "Hypothesis Testing"...
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0answers
108 views

How to price the american options using local volatility

I have given with a surface of american option prices $C_{am}(T, K)$. From these american option prices the implied volatility surface is deduced. Now I want to find the local volatility $\sigma(s,t)$...
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2answers
134 views

Factor-Based Equity Investing [closed]

What is the simplest way (process) to develop a factor-based investing strategy with STOCKS? ...
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2answers
190 views

Are there any quant strategies which do not involve simultaneous buying and selling of two or more assets?

Whenever I read about quant strategies it leads me to stratergies which involve simultaneous buying and selling of two or more assets. Pairs trading, arbitrage, market neurtal or headging all these ...
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1answer
90 views

Longstaff Schwartz algorithm

I am new in finance, I have implemented the Longstaff Schwartz algorithm for pricing american otion - one asset (dimension = 1). My questions : Does this algorithm still efficient for a high ...
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0answers
72 views

Jacobs and Levy: Enhanced Active Equity Strategies

Hello to everyone I am writing because I am having a bit of tough time figuring out how to replicate the constraints for a Portfolio Optimization using the set up from Jacobs & Levy 2006 - '...
3
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1answer
74 views

Is there such a thing as resonance in economic underliers?

In physics the occurence of resonance is explained and widely understood in its linear form and subject to research in nonlinear resonance. Example for instance are resonant frequencies of objects. ...
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0answers
52 views

Quantitative model for investing in ETFs [closed]

I want to build a model for asset allocation of my own personal pension in ETFs across four main asset classes: equity, bonds, commodity and property. I am familiar with Python and the basics of risk ...
1
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1answer
62 views

How to modify binomial tree to incorporate one more asset?

I wonder, what would happen if we use the binomial tree to price exchange option, an option to exchange one asset for another at the expiry date. Payoff is $\max(S_1-S_2,0)$ For instance, I have two ...
4
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1answer
85 views

Barrier Option from binomial tree

What is the smallest information structure that is required for using the binomial tree to calculate the price of a barrier (up-and-in) option? My gut feeling is any node below the node that reaches ...
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1answer
268 views

Is R suited for a Quantitative Finance executable application

I wonder if a R-Shiny application works well for a production environment or the only option is C++. I make this question taking in account that R and C++ have a widely set of quant libraries that ...
4
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3answers
234 views

Who trades exchange options in practice (Margrabe's formula)?

I'm currently studying the pricing of the exchange option. https://en.wikipedia.org/wiki/Margrabe%27s_formula While I can appreciate the theory, who actually buys these options in practice? Are ...
-2
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1answer
336 views

How do I calculate the spot rate?

How can I calculate the rates to construct the curve? I was thinking to use the formula converting par yield to spot rate, but I am not confident about it. Please give some hints or working on how to ...
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1answer
39 views

Kenneth Frenches Data library return data to price data?

I have downloaded the industry portfolios from Kenneth Frenches data library, I am wondering if anyone knows where I can find the price data? Can I convert it even if I don't have a starting value? ...
3
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1answer
326 views

Monte Carlo model with multiple assets step by step

Here are the following steps to calculate Monte Carlo VaR. I am learning how to proceed with each steps and I would need somebody who can explain. Do I have to create only 1 vector in step 4 (even if ...
2
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1answer
244 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 ...
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0answers
60 views

How to calculate Market Return based on an own sample?

I have read several papers and am more confused than clearer about my problem after the reading. I am trying to validate my sample. I use the Schmidt et al. paper (2015) as a guidance to construct ...
2
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1answer
153 views

Why Arent There Long Rate Models?

You have short rate models, https://en.wikipedia.org/wiki/Short-rate_model, but there doesnt seem to be any long rate models. I find this weird as in options modelling you model the whole smile, not ...
1
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1answer
113 views

Cash Flow News and Discount Rate News + Return

I will appreciate If someone help me to understand how the final expansion is made. Specifically, how CF & DR are drived. This model is introduced by Chen et. al. (2013).What Drives Stock Price ...
2
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1answer
35 views

Deriving the long-horizon predictive regression and hypothesis testing

I am working on the long-horizon regression, $$y_{t,K}=\mu+\beta_1x_{1,t-1}+...+\beta_nx_{n,t-1}+e_{t} $$, where $$y_{t,K}=y_{t}+y_{t+1}+...+y_{t+K-1}$$ and there can be multiple x's. So I am ...
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1answer
72 views

Why the spread is calculated on raw prices instead on the price changes?

I'm reading Quantitative Trading With R written by Harry Georgakopoulos. In chapter 6 he exposes a basic quantitative strategy based on setting up a stock spread and buy when it is below a lower ...
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0answers
171 views

Magnitude of the Diversification Ratio

How would I interpret the magnitude of the Diversification ratio? I know that the higher the number, the better, but is 1.1 massively different that 1.2? For example a sharpe ratio of 0.25 is ...
1
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1answer
67 views

How can I reproduce the experimental verification of the “False Strategy” theorem plot?

I recently came across the following blog post talking about the importance of back-testing overfitting, and a plot claiming to be an experimental verification of the False Strategy theorem. The ...
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1answer
88 views

Questions related to Sharpe's return-based style analysis

I have been reading about Sharpe's return-based style analysis, which tries to determine the manager's exposure/effective asset mix to changes in the values of the asset classes. It does so by using ...
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0answers
90 views

Zipline issue with SPY data

I have written a strategy to backtest in zipline, and every time I ran the backtest, and error is showed with the line: IndexError: index 0 is out of bounds for axis 0 with size 0 After a bit of ...
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1answer
100 views

Using Normal Distribution to forecast active return

I wanted advice on how to go about forecasting active return via a standard normal distribution, The asset is a security with annual volatility of 6%. The benchmark is a 5% annual return with 0% ...
2
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1answer
87 views

Sigma moves - annualize return or no?

This might be a very simple dumb question. But when you look at a security's annualized volatility over a 3 year period, assuming the security has an annualized vol of 5% and the drawdown over three ...
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2answers
276 views

question on XIRR (excel)

Let's say we have an initial investment of -10 on 1/1/2000, and from 1/1/2001 to 1/1/2018 (with annual payments on Jan-1 of each year for 18 years) we get a CF of +2 each year with a final payment of ...
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3answers
160 views

Combining Quantitative data with fundamental data

These day, there is relatively new phenomena of combining quantitative data and fundamental data called 'Quantamentals'. In this regards, I was wondering how to combine Four Essential Types of ...
4
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2answers
805 views

What is time-varying risk premium? Forecasting stock returns

I am trying to understand the concept 'Time-varying aggregate risk premium'. Here is an extract from a Forecasting book, written by Rapach and Zhou, "However, rational asset pricing theory posits ...
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1answer
74 views

performance attribution - security selection= wB*(Rp-RB) or wP*(Rp-RB)?

Really confused. Finding various different ways of calculating security selection alpha. I believe it matters from whose perspective one is looking at. I am a portfolio manager and I want to know ...
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0answers
209 views

Bayesian strategy selection

I have N strategies/signals that I would like to allocate to. I want to estimate an estimate of future performance based off of recent realized performance (momentum of strategies per se - e.g. ...
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0answers
106 views

Explanation and Application of Quantile Regression of Value-At-Risk

Self-learner here. Please, excuse me if I am asking a Question already answered, but the explanations that I find online, just seem to be a bit hard for me. I am currently trying to apply the Basel ...
3
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0answers
106 views

How can we price an option taking into account the “issuer risk”?

I'm trying to take a closer look to option pricing in a risky environment. Let's say a firm $A$ sells me an (European) option on an underlying $S$ (which of course can be any other financial product ...
2
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1answer
726 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 ...
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1answer
66 views

Multi-Factor Beta Help

I'm supposed to find a risk factor that could explain a stock (I chose Netflix) returns. Then, I am to calculate the beta with respect to the factor I suggested as part of a multi-factor model with ...
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0answers
103 views

Investment Bank VWAP Execution ranking

Is there a ranking of Investment Banks institutional VWAP execution algorithms anywhere (who beats the benchmark price most consistently and by how much)? Thanks
2
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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 ...
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1answer
588 views

The R-squared of the four factor model.

Why does papers such as Fama and French (2010) and Barras et al. (2010) construct equal weighted portfolio of all funds when they analyse the aggregate performance of mutual funds? They both report ...
3
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2answers
248 views

Fama and French (market premium) factor

Currently I am using the Fama and French 3 factor model to explain the performance of mutual funds using monthly returns from 2000 to 2017. I use two market proxies: (1) RM-RF, obtained directly ...
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2answers
91 views

Disadvantages of large panel

I am currently researching if some fund characteristics such as (fund size, fund family size, capital flows, and fund age) explains fund performance measured (monthly alpha). Therefore, I am using a ...
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4answers
122 views

Why wouldn't quantitative easing work if interest rates approach 0

I was reading this article on quantitative easing. At some point, this is mentioned, referring to QE: This strategy loses effectiveness when interest rates approach zero, at which point banks have to ...
2
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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 ...
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2answers
222 views

A definition of quantitative finance [closed]

I would ask a sort of "philosophical" question. Is there any author who gave a scientific definition of this subject? Is it considered a branch of mathematics or does it primarily concern economics? ...
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2answers
1k views

Pricing Mark-to-Market Basis Cross Currency Swaps and Subsequently Constant Notional

Currently I'm working on my Master Thesis in Quant Finance in cooperation with a company. I would like to thank you very much for your time and help in advance! In my thesis I want to price Mark-to-...
3
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4answers
322 views

Mark Joshi Quantitative finance numerical techiniques, writting an algorithm that produces a random variable

Background: I am preparing for interviews and I was told to try and answer as many problems in the Mark Joshi book as possible. Question: Suppose an asset takes values from a discrete set $v_j$ ...