# All Questions

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### Stock price distribution from options marks

I am reading the following link: on "recovering probability distributions from option prices" - how to subtract influence of stochastic volatility? At the end of the derivation it seems ...
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### Modelling and forecasting mixed frequency financial data

I was wondering if someone could provide some guidance to me. I would like to Combine various financial data of mixed frequencies (some daily, weekly, some quarterly) to a composite index. I have ...
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### Is this a GARCH Monte-Carlo simulation?

I tried this as a simulation for a GARCH(1,1) model. Is it correct? (I'm not speaking about the code itself, which works, but the underlying idea). Here is plot (of ...
137 views

### QuantLib importing in Python

Since I am working with a thesis, QuantLib is a very new thing for me. I have installed and compiled QuantLib, including the QuantLib-SWIG. Everything was compiled and installed using the guidlines at ...
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### How to convert bond options strikes to future prices

CME, 10 year Note Call Strike 1300 How to convert this strike to future price? (today's open at 131'100) For example we can take current prices EOD data for example chart on CMEgroup: http://www....
81 views

### Security Market Line & Required Rate of Return for Projects

A standard definition of the Security Market Line is as follows: The security market line ("SML" or "characteristic line") graphs the systematic (or market) risk versus the return of the whole ...
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### How to calculate cumulative returns with one lag in R

I have a huge data frame with over 1000 column, which are companies(column headers) and in each column I have their estimated return(monthly). The sample period of the data frame in 11 years. I want ...
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### Conversion factor and CTD Bond

I'm reading the book 'Options, Futures and Other derivatives' an having a hard time to understand Conversion factor and CTD bond. Conversion factor I understand this as a factor to adjust the ...
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### the difference between forward price and future price

In Hull's book 'Options, Futures and Other derivatives', author said that when price of underlying asset S is strongly positively correlated with the interest rate, future price is slightly larger ...
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### Quantlib with python on mac?

Is there anyone who knows a good guide to get quantlib working for python om mac? I have tried to search online and have not found any good guidance. I need to use quantlib for a project on python. ...
201 views

### Options Data Sources

I am using Option Metrics to study a couple of things related to options. However, Option Metrics is quite limited in terms of scope (mainly it's US equities). I was wondering two things: 1) Are ...
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### Vol surface changes as underlying moves

We market make in highly liquid, near term options markets. I want to build a risk report that tells us how our portfolio's greeks will change as the underlying moves. This is for risk management in ...
71 views

### FIX engine for very low latency

We are building a new system where latency is key. Either commercial or opensource, our goal is to have an easy to implement fix engine where low latency is key.
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### Master thesis in Finance in search of topic concerning investor sentiment and financial crash

Is there any good idea that combines low volatility, risk aversion level of investors and prediction of financial crash ? Is there any literature?
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### Video Analysis Platform

I own a data analysis company which is currently bulk extracting metadata from historical market video and audio files, and creating alternative/historical datasets around commodities, S&P 500 ...
37 views

### Problem with overlapping data when testing futures market efficiency

In my case non-overlapping data would represent the scenario where futures prices (3 months) do not correspond to the futures spot prices in terms of delivery date. For example, futures settlement ...
70 views

### Strategies to merge bid, offer and trade price time series into a single price time series?

I'm doing intraday analysis on low volume stocks. There are just a few trades every day, but a whole host of bids and offers. In order to reduce the sparsity of the time series data I'd like to ...
30 views

### Generating random numbers from the skew-t distribution

in another question I was trying to replicate density plots using random numbers coming from the skew-t distribution of Hansen (1994). Now I need to obtain a series of random numbers coming from this ...
31 views

### Under which conditions the minimum variance portfolio involves no short selling?

If $\rho_{12} < 1$ or $\sigma_1 \not= \sigma_2$ then $\sigma_v^2$ representing the variance of the portfolio with weights $(w_1, w_2) = (s, 1-s)$ as a function of $s$ attains its minimum value at: ...
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### instantaneous forward rates vs forward LIBOR rates

HJM describes the behavior of instantaneous forward rates while BGM describes the behavior of forward Libor rates. From concept perspective, I understand forward libor rate are like forward Libor rate ...
64 views

### VAR models for log-returns?

I am wondering if Vector Autoregression (and other autoregressive models) is a sound modelling for the daily (not high-frequency!) log-returns of time series from liquid financial markets. One can ...
80 views

### Does a Poisson process converge to an Ito process in long term?

I have heard that a Poisson process "converges" to an Ito (diffusion) process in long term. However I do not see how the characteristic function of the form morphs into that of the latter. In what ...
174 views

### Consequence of negative mean reversion of hull white one factor model

I tried to calibrate the data for hull-white one-factor model. Sometimes, I get negative estimate of mean reversion factor after the calibration process. When I plug the negative mean reversion factor ...
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### Density plot of the skew-t distribution

I am using the sgt package in R to recreate the plot from Hansen's paper ( available here http://www.ssc.wisc.edu/~bhansen/papers/ier_94.pdf on page 8) using random ...
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### Latency Arbitrage in forex [closed]

(I've been downgraded on this question, and it's because most people don't understand what I mean. If you ever did hft arb, you will understand what I mean. If not, please do not answer) Everybody ...
450 views

### Processes used in quant finance

What are the main stochastic processes (and their SDE) used in quant finance? For example to model currency prices, stock prices, etc.