# All Questions

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### Log-normal model for volswap prices

First of all, I don't know if this is allowed on this forum, so if not please by all means remove the post. I've been looking at 'market models' of variance swaps such as the Bergomi model and ...
64 views

### Evaluting the SDE $dX = tds$

The process $S$ is a geometric Brownian motion with an SDE: $dS = S(\sigma dB + \mu dt)$. I'm stuck evaluating $\int dX = \int tdS$, $E(X)$ and $V(X)$.
32 views

### Possibility of delta greater than 1

Can delta of an option be greater than 1? Please illustrate it with an example.
83 views
+50

89 views

### Calculation cross-currency basis

I am trying to calculate cross-currency basis on the 3-month horizon for a certain set of currencies. The formula should be $ccb = F/S (1+y_{foreign currency}) - (1+y_{USD})$ where $y_{USD}$ is Libor ...
156 views

### Solving $dX_{t} = \mu X_{t} dt + \sigma dW_{t}$

I want to solve the following SDE: $$dX_{t} = \mu X_{t} dt + \sigma dW_{t} \quad X_{0} = x_{0}$$ Integrating, I get: $$X_{t} - x_{0}= \mu \int_{0}^{t} X_{s} ds + \sigma \int_{0}^{T} dW_{t}$$  ...
586 views

### Are there any software libraries for backtesting FX algorithms against tick data?

I've read question, however it doesn't appear as if any of those libraries work for FX data. A Google search for python forex backtesting turns up this project, ...
197 views

### Where can I find a clear explanation (brief derivation) of N(d1) and N(d2)?

Where can I find a good explanation (perhaps with a brief derivation) of N(d1) and N(d2) from Black-Scholes? Just trying to understand the general idea about these 2 probability functions and how they ...
3k views

### Pricing of a Foreign Exchange Vanilla Option

To understand how Bloomberg prices foreign exchange vanilla options , I extract the following screenshot from its OVML function. The Black-Scholes formua for vanilla options are \begin{split} & P=...
134 views

### Is there an inverse relationship between (future-spot) price and yield?

If the difference between futures and spot prices rises will the yield for the current bond increase as well?
100 views

### Returns and logreturns differences

I have a time series of stock prices and I tried to calculate simple returns and log returns. However, I end up that simple returns has positive mean, but log returns has negative mean. Is it possible ...
46 views

### How can one apply models such as Fama-French factor model?

I'm reading into Fama-French 3- and 5-factor models. I notice that they use the returns from market portfolios to "predict" stock excess returns. But obviously we cannot know ahead of time the returns ...
62 views

### Stochastic Vol Mathematical derivation [on hold]

I want to understand the mathematical steps done. Can someone please simplify the derivation of d(pi) from Pi? Thanks in advance.
278 views

### Heston model reparametrisation

It is well-known that calibrating Heston to the vanilla market is not as easy as it seems: some parameters are "interdependent" and the objective function exhibit plateaus in the parameter space (at ...
11k views

Are there any free c++ libraries that would have some of the functions that would be used in developing a trading strategy. For instance, calculating drawdown, Volatility Forecasting, MAE, MFE....etc. ...
52 views

I am curious to understand the mind of an exotic trader. Suppose if you just sold an exotic option and want to hedge out some greeks risk of your exotic option, would you hedge your gamma or your vega ...
2k views

### Bloomberg-alternatives for intraday stock price data?

Given the limitation Bloomberg imposes in terms of the number of days you can go into the past when retrieving historical intraday data, what are similarly reliable alternative solutions? I require ...
8k views

### Which approach to estimating fundamental factor models is better, cross-sectional (unobservable) factors or time-series (observable) factors?

There are many approaches to estimating fundamental factor equity models. I would like to focus on two traditional methods: The time-series regression approach of Fama and French. Factors are ...
407 views

### CBOE Index Minute Data

I am doing a small research and looking for a place to purchase historical minute CBOE Index data. I am interested in: VIX - CBOE Volatility Index VVIX - CBOE VIX VOLATILITY INDEX VXV - CBOE VIX ...
68 views

### Bloomberg Ticker mapping with Reuters RIC

I am trying to map Bloomberg ticker into Reuters one. For example this one: EDZ3C 96.625 COMDT Few years ago aforementioned BBG ticker would be mapped to Reuters ...
10k views

Where can I download intraday tick data for DAX and S&P500 index prices? I found only daily closing prices.
903 views

### 10 years intraday for a single stock

For a personal experiment I need to acquire 10 years worth of data (with time resolution hourly at least) for a single stock. It doesn't really matter which stock, and the data doesn't need to be very ...
132 views
+50

### Finance: Portfolio - Long Short Portfolio construction

I am trying to construct a Long / Short portfolio in R. Say I have two portfolios Tech and Mature and I want to go long on the <...
41 views

### SDE Parameter Estimation

Have a question about "How to estimate parameters for SDE with multiple Brownian Motions ?" Let's say $X_t$ follows the process: $dX_t=\mu dt+\sigma_1 dW_t^1 + \sigma_2 dW_t^2$ I think I've checked ...
563 views

### Transforming 3M volatilities into 6M volatilities in EUR forecast curves

I have implemented a stripping algorithm to extract forward volatilities from cap/floor flat volatilities for different currencies. I am however struggling a bit when implementing a method to convert ...
1k views

### Software for decomposing payoff diagrams into plain vanilla products

Nowadays structured products (or packages) with complex payoff diagrams are omnipresent. Do you know of any software, add-ons, apps, code whatever, that enables you to enter a payoff diagram or a ...
62 views

### S. Bossu's Correlation Swaps Model

I am reading Sebastien Bossu's "A new Approach For Modelling and Pricing Correlation Swaps" (link). I am recalling some of the definitions from the paper and would like to understand how to prove one ...
28k views

### Why do some people claim the delta of an ATM call option is 0.5?

I am looking for a mathematical proof in terms of differentiating the BS equation to calculate Delta and then prove it that ATM delta is equal to 0.5. I have seen many books quoting delta of ATM call ...
21 views

### ATM Curve Construction: Short-Dates

Please explain example 1 and example 2. In example 1 how does 6 appear in the square root function. And in example 2 it is written:" Assume it is known that spot will be completely static during the ...
35 views

It's written in a book by Giles Hewitt : " The bid-offer spread quoted on a Strangle in volatility terms will usually be wider than the ATM spread to the same maturity because strikes away from the ...
I'm trying to find a solution to the following problem: Assume a portfolio of $n$ zero coupon bonds mapped in risk by their respective DV01. Assume that the ZC portfolio created cannot exceed max ...