# Questions tagged [options]

A contract that gives the owner the right, but not the obligation, to buy or sell a security at a fixed price in the future.

1,341 questions
Filter by
Sorted by
Tagged with
0answers
5 views

### Black-Derman-Toy model AND European-type bond call option

In a Black-Derman-Toy model in which Ω ={ ω1, ω2, ω3, ω4 }, the risk-neutral probability for each state ωi, i = 1, 2, 3, 4 is 1/4 . The spot rates in BDT model are given as follows. ω r1 r2 ...
5answers
67k views

### A simple formula for calculating implied volatility?

We all know if you back out of the Black Scholes option pricing model you can derive what the option is "implying" about the underlyings future expected volatility. Is there a simple, closed form, ...
1answer
16 views

### How to price a phoenix and snowball type autocallable options?

I'm currently studying the pricing of autocallable options, especially snowball (accumalated coupon) and phoenix (accumlated coupon, but the coupon may also be autocalled if the underlying price ...
4answers
16k views

### What is a Heat Rate Option?

I tried a search with google but I can't find a clear definition of what a Heat Rate Option is. I would appreciate if someone could explain to me what this type of option is. My understanding is ...
0answers
19 views

### Does convexity in the IV space means convexity in the price space?

Let's assume that we only look at OTM options to construct a Risk Neutral Density (RND). As the RND is the second derivative of the price of the option with respect to the strike, we would expect ...
0answers
30 views

### Why do coefficients flip after the including a lag in the optimisation? implied volatility/skewness/ivspreads

I am hoping some of you guys can help me out. I am applying the paramametric portfolio optimisation of Brandt, Michael W., Pedro Santa-Clara, and Rossen Valkanov. in which the weights on specific ...
1answer
61 views

### OTC Derivatives Moneyness Conventions

When looking at the OTC Derivatives market, is there a standard moneyness convention that is applied? And if so, what is that bucketed approach? For example: 90%-110% for ATM, 70%-90%, 110%-130%, etc.....
1answer
252 views

2answers
123 views

### Does high levels of vol-of-vol parameter in SABR lead to Arbitrage? (Something seems wrong with Hagans formula)

Main question: Do we need to restrict the vol-of-vol parameter in SABR further than $\text{vol-of-vol}>0$ and how do we determine the interval of vol-vol which the model is arbitragefree? ...
0answers
56 views

### How to determine expected returns of an options portfolio?

Lets say I have a delta neutral portfolio, iron condors on spy for example. I'm short a call credit spread and a put credit credit spread of equal widths. I would like to determine the expected ...
1answer
120 views

### How to quantify the Variance Risk Premium (VRP) with probability density functions?

The VRP is usually displayed by charts like this one: It's easy to see that, for most of the time, options are priced by using volatility which will reveal itself larger than the realized one. So VRP ...
0answers
34 views

### Rainbow option pricing formula under *Bachelier* model

Let's consider a call on min option on two underlying arithmetic Browniation motions $V_t$ and $H_t$ (no drift). Let $P_t$ denotes the price process of the option, $r$ the riskfree rate, $\tau$ the ...
0answers
17 views

### EMTN with two barrier options and pricing by Monte Carlo method

I analyzing an EMTN (Euro Medium Term Note) for my Master's degree thesis, which uses 2 barrier options: a Down and In put, an Up and In put However, I only know how to do it for Knock-out options. ...
0answers
30 views

### B-S derivative with another boundary condition

I want to use the derivation of BS for another type of derivative, not an option. Known the derivation of the Black-Scholes differential equation, is it possible to use in the same equation when my ...
0answers
26 views

### Price moneyness vs spread moneyness for credit index options (CDX HY)

Is spread moneyness equivalent to price moneyness for volatility surfaces of CDX HY? In other words, is the ISDA converter a linear transformation? I have market data that I need to convert to input ...
1answer
66 views

### Option and probability of finishing in the money?

This seems to be another easy question but I am a bit confused. I know delta is a proxy for an option finishing ITM. Delta also happens to be N(d1) in the BSM pricing model. N(d1) usually is pretty ...
1answer
91 views

### Where can I get some Inflation Option example quotes (year-on-year and zero-coupon)

I am writing an academic paper on calibration of inflation vanilla options. I need to generate examples for the paper. Is there anywhere I can get example data for the Inflation year-on-year options, ...
1answer
48 views

### Can someone explain to me the intuition behind the discount factor for this simple payoff? [closed]

Let's say you enter into a contract today in which in time t, you receive the difference between the underlying stock price and 100. Denote the stock price as S. Why is today's value of such a ...
1answer
68 views

### How do we calculate option payoff before expiration?

I am trying to simulate a bull spread option and I have used an online tutorial to calculate payoff at expiry but I am having difficulty simulating the payoff ...
1answer
53 views

### Modifying Basic Black Scholes Equation For Time Dependent Variables - Per Wilmott?

I am reading Wilmott's book and don't understand why he makes the following step to re-write the PDE. I get equation 8.4, that's just the typical PDE for a dividend yielding stock where r(t), D(t) ...
1answer
44 views

### Intrinsic value vs Time value of an option: what's the purpose/motivation for their definitions? [closed]

I am an actuarial student and our text has the following definitions: Intrinsic value: This is the payoff assuming the expiry of the contract immediately rather than at some future time. ...
1answer
68 views

### SABR Implied Vol: Normal Approximation vs Log-Normal Approximation

I am having trouble understanding the difference between the normal and log-normal implied volatilities from Hagans SABR model: http://web.math.ku.dk/~rolf/SABR.pdf. As far as i understand the main ...
1answer
43 views

### Hindsight overhedge for pricing path dependent options

I understand how to use the longstaff schwartz method in Monte Carlo to compute the continuation value of path dependent options but someone recently mentioned another technique called "Hindsight ...
1answer
72 views

### Do Perpetual American Options have closed form functions to compute the Greeks?

I was wondering if there were analytical formulas to compute delta or gamma for perpetual American options?
1answer
2k views

### What equation will convert implied yield volatility to implied price volatility?

I am trying to figure out how to turn implied yield volatility of a short-term interest rate into implied price volatility. Is there an equation to do this? I have come across the equation for a ...
0answers
33 views

### Varswap replication product

I would like to ask about a product that some Flow desks sell : Varswap replication strategies. I know that it consists of weighted basket of calls and puts , however I would like to know how does it ...