# All Questions

522 views

### backtesting with open, close, high and low

I am quite notice at the business of backtesting for an automated strategy. I was wondering, can I/should I use High and Low for this purpose? On one hand, the algorithm will see these prices, but on ...
470 views

### Pricing Fixed-To-Floater bond in QuantLib

Wandering through QuantLib's Financial instruments documentation, I noticed no class for fixed-to-floater bonds exist. Then I was wondering what a suitable way to price such an instrument would be ...
464 views

### Question about the rationale of applying certain recovery rate by ISDA

According to ISDA standard (also here), the recovery rate for senior unsecured is 40%, that of subordinate is 20%, and emerging markets is 25% (both senior and subordinate). I wonder the rationale of ...
198 views

### interest rate in cost of carry

What interest rates are used in practice in a stock index / futures arbitrage? I've seen cases, when the assumed rate is 3 months LIBOR, but does it mean, that everyone who does the arbitrage can ...
307 views

### adjusted close prices on SP500

When I look at the adjusted close prices of SP500, for example, I notice that the numbers are always significantly below the actual closing. In the explanation of what adjusted prices are, one gets ...
528 views

### How does the 2-factor Hull White model propagate the forward rates curve?

I've been trying to get a grasp on some of the basics of interest rate modeling, and am looking to simulate rates using the 2 factor Hull White model, which I am aware offers a more realistic model of ...
518 views

### Practical Usage of Wavelets with Real Time Data

There are a lot of papers out there which make attempts to forecast or discuss the benefits of wavelets for frequency decomposition. Oddly, very few discuss the huge boundary effects that are present ...
256 views

### Can option prices be characterised by an ODE?

If a stock price, $S(t)$, is governed by a geometric brownian motion. Is it possible to characterise the value of an option $V(S,t)$ as an ODE rather than a PDE (given $S$ is itself a function of ...
671 views

### Concave volatility smile

Under what circumstances can implied volatility smile be concave (ATM implied volatility higher than OTM put and call)? I know that a slight concavity is not prohibited by no-arbitrage... What are ...
259 views

### Extreme Value Theory possible for portfolios with options?

Say you have a portfolio with long exposure to a few linear assets (stock indices) and short exposure to a nonlinear asset (say call options on one of the linear assets). I am interested in ...
677 views

### Examples of Spectral Risk Measures

Let's take the usual definition of a spectral risk measure. If we look at the integral we see that spectral risk measures have the property that the risk measure of a random variable $X$ can be ...
606 views

### 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.
601 views

### Additive portfolio risk decomposition

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 ...
184 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 ...
735 views

### What Forex Services support the ForexConnect API?

I need API access to get ForEx tickers and order books for currency pairs. From what I can tell there is a .Net API called ForexConnect which I can use to get this data. Now where can I get this data ...