# Tagged Questions

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### Approximation of an option price

The value of an option in the money is 11.50 Euros. The parameters of the market are: -The price of the underlying stock: 81.4 Euros. -The volatility ofthe underlying is : 34.65 % The ...
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### What is the difference between par delta and zero delta?

I was looking at different methods of calculating delta for Interest Rate Swaps(IRS) and came across the words par delta and zero delta. I am not sure of the difference between the both and when to ...
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### European call option delta and maximum principle

From comments, the maximum principle for parabolic PDE can be used to show that the European call option delta cannot be greater than 1. I am looking forward to such derivations.
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### Is the European call option delta an increasing function of the spot?

In the Black-Scholes' setting, the delta hedge ratio of a European call option is given by $N(d_1)$, which is an increasing function of the underlying equity spot $S_0$. Does this property hold ...
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### Delta Hedging for 2 Factor Models

If the value of an option at Maturity is what is the off-setting position you take for X and Y, if you are i)Long Call of the option ii)Short Call of the option iii)Long Put of the option iv)Short ...
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### European Call Option Delta Upper Bound

For a pure equity process (with interest rate, dividend, etc., being zero) not necessarily the geometric Brownian motion, is the delta of a European call option always no higher than $1$? I am NOT ...
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### Deduce expected exposure profile from option/structure delta?

I am thinking about whether there exists a relationship between the delta of an option (or any structured derivative) and it's expected positive/negative exposure? An intuitive question would be ...
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### Intraday Value at Risk approximations

We use full valuation of derivatives portfolios using scenarios from historical data. For simple contracts, this is relatively fast. For contracts requiring monte carlo simulation, this becomes ...
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I have the following function $V=V(S,t)$, $V^- = V(vS,t+\delta t)$, $V^+ = V(uS, t +\delta t)$. The book proceeds to explain that if we use Taylor series expansion on the above we will confirm that $\... 0answers 110 views ### Delta Volatility Surface Usage to value the option I always find myself in the unknown charted territory when it comes to non-Linear Instruments. I come across the scenario, How to value the option using Delta Vol surface? Example I have CME traded ... 2answers 1k views ### how do we know if the volatility which is quoted in market is Normal (Bachelier model) or log normal (Black 76)? in market, many instruments are quoted in volatility, but how we can tell what kind of volatility is this? is it normal volatility, or lognormal volatility. because it affect our hedging positions so ... 2answers 156 views ### VaR calculation methods of options I am a little bit confused about VaR in Options and I need a clarification for. I collected the following formulas, can you suggest what is the best formula and explain me why, please? 1answer 443 views ### Implied volatility interview question [closed] If an implied volatility of an out of the money call option goes to infinity,what happens to the delta of the said call option? 3answers 572 views ### Greeks: Why does my Monte Carlo give correct delta but incorrect gamma? For a vanilla European call, my Monte Carlo method gives the right option price and delta but the wrong gamma. In particular, the value of gamma varies wildly each time I run the method. I estimate ... 1answer 197 views ### Effect of volatility on the delta of a call option In the book 'Dynamic Hedging', Nassim Taleb writes: ... 1answer 241 views ### Black model: Delta - strike relationship regardless of expiry? While wandering through some QuantLib experimental classes for FX trading, I've found this Black Delta Calculator. By reading its .cpp, it seems that no use of ... 1answer 2k views ### Gamma and delta P&L example question I'm trying to get a basic understanding of this example delta ladder ... 1answer 98 views ### How do I track implied volatility of specific delta? I'm a newbie with respects to volatility trading and options. I recently purchased a book on the topic called "Trading Implied Volatility -An introduction" by Simon Gleadall. It's been one of the most ... 1answer 136 views ### Delta formula for FX vanilla option What value do you use for annual dividend yield? It does not apply in case of FX. 1answer 78 views ### What is the probability distribution of the changes in$\Delta\$?

What are the odds that a 10 delta option will become a 30 delta option in "N" number of days? Is that calculation possible? For instance, I want to know the probability with which my 56 day, 10 ...
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### What is the formula for beta weighted delta and gamma?

I am trying to calculate the beta weighted delta and gamma for a portfolio of options of different underlying stocks, but I can't seem to find the correct formula. Can someone point me to it or a ...
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### How can I calculate the strike price or implied volatility from a given delta?

I have calculated the implied volatility for all strikes of a certain product (options on futures) and approximated the ATM volatility. My question is how can I figure out the implied volatility for a ...
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### Delta of a standardized at-the-money 30-day put option

The plot below depicts the delta of a standardized at-the-money 30-day put option on the S&P500 tracker SPY over a 14-year period. This is data from OptionMetrics and standardized prices are ...
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### Value at Risk from Delta of a single asset portfolio

I am trying to figure out the following, for me unfamiliar type of question: Given is a single asset portfolio: the Delta of the portfolio is 15, the value of the asset is 10 and the daily volatility ...
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### Delta in Covered Calls?

Just want to check whether i understand it correctly: Long Calls have positive delta Long Puts have negative Delta Long stock has 0.01 delta 100 Shares have 1 delta Therefore: Covered Call = 1 ...
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### EUR/PLN and EUR/USD delta-term-vol surface quoting convension

does anyone know for sure what is the FX market convension to quote delta-term pairs for EUR/PLN, for EUR/USD. I know that for EUR/PLN it should be delta p.a forward, for EUR/USD it should be delta ...