# All Questions

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### Using limit orders or stop orders and gamma

From Dynamic Hedging by Taleb: Risk Management Rule: Option trader lore states that when long gamma, use limit orders. When short gamma, use stop orders. I cannot understand why this is and the ...
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### Pricing of swaps

I have a (hopefully) elementary question about forex swaps. Most feeds will have a near and a far leg (or more legs for more exotic swaps). I appreciate that "buying the swap" involves locking in ...
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### Forex calendar with news prior to 2007

I have been googling for sources of forex calendar with news like the one in http://www.forexfactory.com/calendar.php but I could not find any that dates back to 2007. Where can I find one?
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### Correlated Market

Looking at two BTC Exchanges i see one is following another with a ~3minutes delay. So the following one is correlated for 100%. a) Is there any name for a strategy that benefits from this? b) How ...
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### Why are there two expressions for the Black-Scholes hedging portfolio

I am new to derivatives pricing and am trying to understand why there are two different expressions for the Black-Scholes hedging portfolio. The first approach, used in books like Hull, stipulates ...
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### How to price and find a replicating portfolio for a call spreads using a two-period binomial model?

Consider a two-period binomial model for a risky asset with each period equal to a year and take $S_0 = 1$, $u = 1.03$ and $l = 0.98$. a.) If the interest rate for both periods is $R = .01$, find the ...
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### A clarification on the Heston option pricing formula

I have carefully reconstructed all the computations that lead to the Heston option pricing formula for a call. I end up with this formula for the "adjusted" probabilities  P_j\left(x,v,T;\ln ...
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### Dealers becoming synthetically short an out-of-the-money option

"When dealing with a large-size position, dealer, upon exercise, synthetically become short an out-of-the-money option." How does this work, I cannot see why this happens synthetically in ...
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### Use of cash delta vs forward delta and the mirror image rule

There has been no mention in this text of why this formula uses forward delta not cash delta. Why should have this been obvious to the reader? How can a put be delta neutral at 30%, what does this ...
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### Known future volatility and difficulty in predicting final P/L

I have started Chapter 1 of Dynamic Hedging by Taleb and it starts by saying "Even if traders knew the exact future volatility but hedged themselves (rebalanced the gamma) at discretely spaced ...
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### How many ways can QuantLib handle the price of option on its maturity date?

I have been playing with QuantLib for some time. This is a great framework with amazing design and capabilities. However, one thing that I find hard to understand is the way it handles the price of ...
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### Example Security Giving Stock Dividends?

I'm looking for a security that has some stock dividends. Any suggestion? There are plenty of websites explaining what is a stock dividend or plenty referencing companies with cash dividends but all ...
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### Pricing function $P(S,t)$ is convex in $S$ for all $t$

I am now reading Alternative Characterization of American Put Options by Carr et all (available at http://www.math.nyu.edu/research/carrp/papers/pdf/amerput7.pdf). There is a theorem called 'Main ...
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### Mutual fund cost function estimation vith panel regression

I am trying to estimate cost function for 15 mutual funds: equity funds, bond funds and real estate funds in EViews. I have 15 mutual funds and data for Net Asset Value (NAV), 1 year performance as a ...
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### Where to find Investment home bias data & Historical country weight in World MSCI

I need the following data and struggles to find it, maybe some of you can help me. Note: I'm a student and in our university ain't Bloomberg nor Reuters. Investment home bias, e.g in 2012 US ...
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### Calculate excess returns for Sharpe Ratio with today's or past risk free rate of return?

I am struggling with the calculation of the Sharpe ratio. I am wondering whether to calculate the daily excess returns with today's risk free rate of return or the risk free rates corresponding to the ...
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### type mismatch in Rquantlib Bond.cpp

I've been tracing back through bond.cpp and find the following in FloatingBond() : double dayCounter = Rcpp::as<double>(datemisc["dayCounter"]); ...
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### Concept Question Regarding Short Rate Model

I have a conceptual question that needs help. Does anyone know whether the short rate model generate discount rate or forward rate?