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3
votes
1answer
81 views

Exposure/Factor Analysis on a loan portfolio?

I am working on performing factor analysis on a loan portfolio. This is my understanding so far, and I was hoping that some of the smart folks here might be able to chime and guide me through this ...
4
votes
0answers
39 views

Modeling regulations of middlemen

I am searching for some paper that models the regulations of market makers in stock or OTC markets. Is there anybody who have seen some marekt microstructure paper for modeling regulations and what ...
1
vote
2answers
223 views

where does the cost of delta hedging come from?

I am reading John Hull's book, and am a bit confused about the explanation regarding the cost of delta hedging. Here is the background: a financial institute is selling call options with strike price ...
1
vote
0answers
21 views

The discontinuity when applying the combinatorial purged cross-validation

In Marcos Lopez de Prado's book, Advances in financial machine learning, he recommends using the combinatorial purged cross-validation(CPCV) for backtesting. His motivation is sensible. Through the ...
0
votes
1answer
32 views

How do you build a model with uncertain time range?

Let's say you want to test the hypothesis that given a signal reaches some threshold, some asset will have some return over the next period. Here we have two unknowns. One, the value of your ...
0
votes
2answers
39 views

Does asset volume, rather than asset returns, predict performance?

Asset returns are the most common data type used in finance. They are derived from closing price data. Ordinary level 1 data for stocks not only consists of closing prices, but also gross volume ...
0
votes
1answer
37 views

What is the difference between ^GSPC and ^SPX in yahoo finance?

I have understood that both display the same valute (S&P 500) but in ^SPX there are more option's data (more expiries).
1
vote
0answers
17 views

In BS model, is there a way to show that the risk-neutral Q is unique without using MRT nor the fact that the market is complete?

In Black-Scholes model, is there a way to show that the risk-neutral probability measure is unique without using the martingale representation theorem nor the fact that the market (in BS model) is ...
0
votes
0answers
24 views

Accurate day trading environment model using model-base methods

There are several different angles we can classify Reinforcement Learning methods from. We can distinguished three main aspects : Value-based and policy-based On-policy and off-policy Model-free and ...
0
votes
0answers
27 views

calibration of correlation in vasicek model

how can I calibrate the correlation by numerical integration of the normal bivariate distribution assuming that the standardized asset returns of two firms are described by the single-factor Vasicek ...
15
votes
7answers
36k views

Where can I get historical fundamental data for multiple companies in a single CSV file?

Summary I seek an explicit reference to a source that gives me a fixed URL, e.g. http://example.com/?isin=US1912161007 or ...
0
votes
0answers
14 views

Help me understand how to calculate a laspeyres index

I'm trying to write a small software to calculate a laspeyres, as an exercise, but not having a finance background it's a bit hard to understand some stuff. I'm having problems calculating this ...
20
votes
3answers
3k views

Cleansing covariance matrices via Random matrix theory

I am exploring de-noising and cleansing of covariance matrices via Random Matrix Theory. RMT is a competitor to shrinkage methods of covariance estimation. There are various methods expressed usually ...
0
votes
1answer
23 views

n day ahead forecast for assymmetric DCC model

I am working on forecasting covariances with the use of MGARCH models. I was wondering if anyone knows how to implement a n-day ahead forecast of the aDCC (assymmetric DCC) model in R. The rmgarch ...
1
vote
0answers
43 views
+50

Optimization on D-Wave quantum annealer (application in finance)

Does anybody know wheter any bank uses D-Wave quantum annealer for doing optimization? Quantum annealers are single purpose quatum computers used for optimization. They implement quantum simulated ...
3
votes
5answers
464 views

bank issuing structured products

"The investment banks supplying structured products were effectively buying options from investors" How to understand this quote from this source? I would think the investors are usually had (long) ...
0
votes
1answer
70 views

Which metric is most predictive: Mean, Sharpe, Calmar, …?

Suppose you have created a new trading algorithm: by varying the params of the algorithm, you get a large number of similar trading strategies (e.g. slightly different trigger thresholds, stop loss ...
-1
votes
5answers
178 views

Why worry about fat tails, if you can use stoploss?

Sorry this might sound a silly question, but -humbly- I don't understand why models assume that returns range from [-∞,+∞] instead of [-stoplimit, +takeprofit]. A common objection to most models is "...
-1
votes
1answer
28 views

Can a pay-for-order-flow wholesaler front-run orders it sees?

An argument I often hear (which was repeated here) against sending orders through "pay-for-flow" wholesalers is that those wholesalers can potentially determine if you are an "informed" trader (as ...
3
votes
4answers
5k views

Alternative to tradertest.org for mental math practice

The most recommended resource for preparation for Optiver's math test is tradertest.org. But the website is down. What are the closest alternatives to it? Although this question has been asked on ...
1
vote
1answer
83 views

Is the variance calculation correct in the book?

I'm reading the book "Financial Markets Under the Microscope" for my market microstructure studies. In the book, the variance of the market maker's gain is calculated as follows: Assume that with ...
1
vote
1answer
148 views

MBS Market Duration & Convexity

Soft question...hopefully. I am working on a swaption hedging strategy. Part of this strategy calls for a forward looking indication of changes in implied volatility, using 1m10y implied as a proxy ...
0
votes
2answers
54 views

How to deal with missing returns?

I'm backtesting a strategy that forms stock portfolios on a monthly basis. It sometimes happen that a stock chosen on month t does not have return data on month t+1, so I can't correctly calculate ...
0
votes
0answers
11 views

What are some robust Contingent Capital Instrument available?

I recently was made aware of the existence of Contingent Capital Instruments like CoCo Bonds. I was wondering if there are other robust options available for Big Banks in this domain?
0
votes
1answer
60 views

Convert option inputs to standard Brownian motion

I want to know the probability that the strike price of an option is touched. My input values are: P = price S = strike v = vol t = time to expiration According ...
0
votes
0answers
15 views

Close not adjusted for splits and dividends - Interactive Brokers

Interactive brokers allows me to download several historical bar data types. Can somebody tell me, which of the historical data types are not adjusted for splits and dividends or anything else? I ...
1
vote
0answers
39 views

Modelling considerations for a jump model

The Problem: Suppose I have a simple jump model for an asset price $$ dS = S(t-)[\mu dt + YdN(t)] $$ where $N(t)$ is a Poisson process and $Y_i$ are the jump sizes (assume independece of $N(t)$ and ...
0
votes
0answers
59 views
+50

understanding the linear constraint on a regression performance report

I am trying to understand a regression performance attribution. The problem the code solves is shown below. min 0.5 * x'Hx + f'x st. Ax <= b So I have n ...
0
votes
1answer
62 views

Treasury zero coupon curve for discounting two bonds but OAS different on Bloomberg

Using zero coupon Treasury curve, I discounted a 10% coupon bond. Using the same curve, I discounted a 5% coupon bond. Both these bonds have the same maturity. Since I discount both these bonds using ...
0
votes
0answers
25 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 ...
1
vote
3answers
188 views

Investors degree of risk aversion in capm model

I am a bit confused about one assumption of the CAPM. My professor said that in the CAPM model all investors share the same utility function and the same degrees of risk aversion. Then as a final ...
-1
votes
1answer
70 views

What is the use of implied volatility, the skewness and its surface? [closed]

I am leaning about options, saw various video lectures and read some literature including John C Hull. After a while I forgot where I started and where I am currently and I unable to connect dots. The ...
2
votes
1answer
106 views

Do different prices under different models admit arbitrage?

There are many models for interest rate. If two people use two different models to price the same interest rate derivative, and come to two different prices, doesn't that admit an arbitrage? How ...
-2
votes
1answer
49 views

Most liquid index options?

I need to work with option prices in my master's thesis. Specifically, I investigate index options (S&P 500). Which kind of options could you recommend to use? I have seen that there are options ...
1
vote
1answer
54 views

Backtesting with Level 2 depth of book

I'm new to automated trading. I'm in the process of coding the methodology I've been using manually for a few weeks into a quantitative algorithm using IBKR and Python. I read everywhere I should ...
1
vote
1answer
46 views

How to use multi-periods and mult-factors to predict stock price by linear regression?

Give data in $t_n$ denoted by $[x_1^n, x_2^n, ... x_d^n]$ and label $y_n$ to be predicted. We can just train a $d$-dimensional linear regression $y_n=\sum b_ix_i^n$ to make a prediction. However, I ...
2
votes
1answer
39 views

What SEC Forms Show Stock Buy Backs and Government Bail out money

I've been randomly searching forms and I pulled up this https://www.sec.gov/forms. However, I'm financially illiterate to the point that I don't know what terminology I'm looking for. I've seen that ...
1
vote
1answer
96 views

LSTM for trend prediction

Been wanting to get my hands dirty with ML for a while now and since I'm interested in finance and trading as well, I figured this would be a good project to get started after reading Deep LSTM with ...
0
votes
1answer
60 views

Extensive list of financial derivatives and what method is used to value them

What I'm imagining is a long list of different types of financial instruments traded on the market along with the model(s) that is industry standard for valuing it. Something like: European equity ...
3
votes
1answer
392 views

What are some popular free/open-source charting controls?

Recently I've tried SciChart and VisiBlox - beautiful charting tools. Are there any free or open-source tools for visualizing charts in C#? Thank you for answers.
3
votes
1answer
1k views

Please advice free Java library for classical time series forecasting

I've got an ARIMA model (with a GARCH model for variance estimation) and parameters estimated in Matlab for my set of data. Now I need to use this model in my Java based application for making ...
0
votes
2answers
52 views

Wha't the best place to grab historical sophisticated data about stocks?

I am looking for an API which allow me to grab a data about companies & their stocks in the historical perspective. Like not only prices, but let's say balance sheets & cashflow statements ...
3
votes
3answers
204 views

Any portfolio theories not based on asset return moments?

The mean-variance model for portfolio optimization minimizes portfolio risk (covariance matrix), which is the second statistical moment of multivariate asset returns, and sometimes simultaneously ...
5
votes
1answer
170 views

monte carlo simulation

I'm a graduate student working on a real options research problem suggested to me by my advisor. I'm not looking for a solution, but I'd like to know about the feasibility of numerically solving the ...
1
vote
1answer
45 views

Dealing with stochastic results of Machine Learning Models

I'm building stock selection models, and pick top 5 and bottom 5 stocks. Given the variability in Stochastic gradient decent results, they keep changing. One way to get consistent results is to use ...
0
votes
3answers
78 views

Expected returns for scalping futures [closed]

I've been an investor for about 12 years now. My annual return, November 2008 until today, is 25.77% on my stock portfolio, which is heavy on AAPL, BRK.B and recently TSLA. Mostly buy and hold, hardly ...
0
votes
0answers
18 views

R Portfolioanalytics - How to calcuate the objective measures for a given portfolio weights

I am trying to calculate the objective measure i.e return and std dev for a given set of portfolio weights using PortfolioAnalytics package. i am able to set the weights of the assets in the portfolio ...
12
votes
4answers
2k views

What commercial financial libraries are available to outsource implementation risk?

During our daily jobs as quants, we tend to be willing to develop all the quantitative libraries ourselves. While I know that we need to develop specific algorithms which are the foundations of our ...
0
votes
0answers
44 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 ...
2
votes
4answers
269 views

Technical Indicators reference

I have been looking for a good reference where I can find how technical indicators of stock market analysis are calculated. I have a dataset (time series) which I want to extract these indicators to ...

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