# All Questions

2k views

### ADF test in R yielding perfect cointegration. How is this possible?

I am using the famous conintegrated pairs tutorial to just different stocks for cointegration. The adf.test yeilds perfect cointegration, which I feel must be incorrect. Here is why: When I run adf....
1k views

### Is Vasicek risk neutral?

I am a bit new to this, and am trying to understand the concepts of the risk neutrality in interest-rate models. What I can't seem to understand is why the Vasicek model is risk-neutral? Following ...
3k views

### Is there a Bloomberg field for a bonds (upcoming) coupon dates?

For a specific bond I need to calculate the time until each of the upcoming cash flow payments (for obvious reasons). So I wondered if there is a field (bulk data) that gives me all the dates of the ...
249 views

### What is most reasonable approach to determine side of a multi-leg options order?

Say, 4-legged multi-leg options order with below leg ...
246 views

### SDE simulation: P or Q?

Let's take a GBM under $P$: $dS=\mu dt+\sigma dW_{t}^{P}$ and then under $Q$ $dS=r dt+\sigma dW_{t}^{Q}$, where $dW_{t}^{Q} = dW_{t}^{P} + (\mu - r)/\sigma dt$ Now, let's say that I have ...
397 views

### Correlated Wiener processes of different factors

I'm relatively new in this field, so I have a couple of points that I need to clarify. I would like to know how I can estimate the correlation matrix necessary to implement a Cholesky decomposition ...
673 views

2k views

### VaR for FX forwards

I am trying to figure out some of the commonly used approaches to deal with FX forwards (in a currency portfolio containing spots, forwards and swaps) that would allow me to calculate the one day VaR ...
117 views

### Modelling interest rate: AR(2) modelling

I have a time series of spread that follows an $AR(2)$ (Autoregressive model of Order 2). I need an interest rate model that represents that dynamics. What model should I use?
533 views

### Yield curve fitting example in Wilmott on Quant Finance p.528

In Wilmott on Quantitative Finance Vol. 2, p. 528, Section 31.4.2, is given a power series expansion for a zero coupon bond $$Z(r,t;T)=1+a(r)(T-t)+b(r)(T-t)^2+c(r)(T-t)^3+\dots$$ then it says to ...
128 views

### Physical Option Implied Distribuition

So I got risk neutral probabilities from stock option prices. How can I then map them to a physical measure?
850 views

### Breakeven of a delta-hedged option

Basic question to which I surprisingly did not find an answer on here. What's the best approximation to the break-even (with respect to stock price) for an option that was hedged fully at point of ...
76 views

### Is “Issuer and Holder with same strike” meaningless?

I've seen a callable putable bond whose first exercise date is an exercise date both for the holder and the issuer. Moreover both strikes have the same value: 100. I wonder what does it mean. I ...
280 views

### Effective anti-gaming controls in dark pools

What are some indicators that a dark pool operator has effective anti-gaming controls in place? There are some that prohibit IOCs (immediate or cancel) but is that necessary? It seems like that could ...
302 views

### Obtaining the default probability and recovery rate for each credit rating?

I have the following questions for obtaining the credit rating: Given that I have cumulative default probability of each credit rating from Global Corporate Average Cumulative Default Rates (1982-...
618 views

### Question about Merton model to estimate default probability and recovery rate of the company

I recently come across Merton's model to estimate the default probability and recovery rate of the company. Here is the inputs ...
248 views

### Why use leverage when it does not improve the risk/reward ratio? [closed]

Leverage will increase gains when things go right but will also increase losses when things go wrong. Mathematically speaking, it does not change the risk/reward ratio (or does it?). Since investing/...
138 views

### Is it better to hedge or reduce the position size? [closed]

Traders hedge to reduce their risk. However, wouldn't reducing the position achieve the same results while keeping the risk management process simpler? At least, one need not worry about making the ...
88 views

### Can you hedge a derivative with a CASH|spot product or does it have to be another derivative instrument

Consider you have a SWAP (any kind) to hedge this SWAP, you will most likely use another Derivative,but can you use a cash|spot product to hedge this. Like Cash Equity or FX Spot
136 views

### Applications of distance correlation

This question mentions distance correlation. Where has this concept been applied to financial data and provided new insight? Do you know any examples or references?
74 views

### how to extract moments of GB from moment generating function?

I'm searching for the moments of geometric brownian motion using the gmm optimization program. the aim is to make the process y(t) of returns follows a normal distribution Are there any packages in ...
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### How to derive zero-coupon rates from IRS?

How can I calculate zero-coupon rates from historical IR swap rates? I have a record of IRS for the past 4000 days and I am want to compute the zero coupon rates based on them.
622 views

In his paper Budgeting and Monitoring the Risk of Defined Benefit Pension Funds, Bill Sharpe writes: [...] the sum of the weighted marginal risks of the portfolio components will equal twice the ...
185 views

### Forecasting Equity returns using state-space models

I have data for 3 yrs of 5 min prices of various equities. I can construct a linear regression model and try to see the in-sample model performance. But I was wondering whether fitting a state-space ...