What is “Lambda” in Heston's original paper on stochastic volatility models? Planned...
"Destructive power" carried by a B-52?
Besides transaction validation, are there any other uses of the Script language in Bitcoin
An isoperimetric-type inequality inside a cube
Pointing to problems without suggesting solutions
What does 丫 mean? 丫是什么意思?
Did any compiler fully use 80-bit floating point?
How to achieve cat-like agility?
Does the Rock Gnome trait Artificer's Lore apply when you aren't proficient in History?
Diophantine equation 3^a+1=3^b+5^c
Random body shuffle every night—can we still function?
What is "Lambda" in Heston's original paper on stochastic volatility models?
Marquee sign letters
Improvising over quartal voicings
New Order #6: Easter Egg
Did John Wesley plagiarize Matthew Henry...?
Is there a verb for listening stealthily?
How to resize main filesystem
Is the time—manner—place ordering of adverbials an oversimplification?
Do i imagine the linear (straight line) homotopy in a correct way?
Why is there so little support for joining EFTA in the British parliament?
calculator's angle answer for trig ratios that can work in more than 1 quadrant on the unit circle
How to make triangles with rounded sides and corners? (squircle with 3 sides)
Calculation of line of sight system gain
Meaning of 境 in その日を境に
What is “Lambda” in Heston's original paper on stochastic volatility models?
Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern)
Announcing the arrival of Valued Associate #679: Cesar Manara
Unicorn Meta Zoo #1: Why another podcast?Definition of orthogonality and independence for a stochastic processesDo we need Feller condition if volatility process jumps?Cointegration and variance of time seriesSpeed of mean reversion of an interest rate modelHow to price a stock under Q and stochastic interest rates?Fractional Brownian motion - probability density function of the incrementsVector of differences of Brownian motion integrals is multivariate normalStandard definition of multidimensional Brownian Motion with correlationsWhat is a stochastic processes which reasonably captures commodity price dynamics?Integral of Wiener process w.r.t. time
$begingroup$
In his paper (link), he has the equations:
b1 = k + ƛ - (ρ * σ)
b2 = k + ƛ
k is the rate of mean reversion, ρ is the correlation between the two Wiener processes, σ is vol of vol, what is ƛ?
I have yet to figure out what ƛ is.
Thanks!
options stochastic-processes
$endgroup$
add a comment |
$begingroup$
In his paper (link), he has the equations:
b1 = k + ƛ - (ρ * σ)
b2 = k + ƛ
k is the rate of mean reversion, ρ is the correlation between the two Wiener processes, σ is vol of vol, what is ƛ?
I have yet to figure out what ƛ is.
Thanks!
options stochastic-processes
$endgroup$
add a comment |
$begingroup$
In his paper (link), he has the equations:
b1 = k + ƛ - (ρ * σ)
b2 = k + ƛ
k is the rate of mean reversion, ρ is the correlation between the two Wiener processes, σ is vol of vol, what is ƛ?
I have yet to figure out what ƛ is.
Thanks!
options stochastic-processes
$endgroup$
In his paper (link), he has the equations:
b1 = k + ƛ - (ρ * σ)
b2 = k + ƛ
k is the rate of mean reversion, ρ is the correlation between the two Wiener processes, σ is vol of vol, what is ƛ?
I have yet to figure out what ƛ is.
Thanks!
options stochastic-processes
options stochastic-processes
edited 6 hours ago
Alex C
6,73211123
6,73211123
asked 6 hours ago
vt_ogvt_og
212
212
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
$begingroup$
It is on page 329 (which is the third page of the article) and represents the market price of volatility risk. I have copied below from the original article:
$endgroup$
add a comment |
$begingroup$
That is the "price of volatility risk" (see Page 329)
$endgroup$
add a comment |
Your Answer
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "204"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: false,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
noCode: true, onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fquant.stackexchange.com%2fquestions%2f45233%2fwhat-is-lambda-in-hestons-original-paper-on-stochastic-volatility-models%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
It is on page 329 (which is the third page of the article) and represents the market price of volatility risk. I have copied below from the original article:
$endgroup$
add a comment |
$begingroup$
It is on page 329 (which is the third page of the article) and represents the market price of volatility risk. I have copied below from the original article:
$endgroup$
add a comment |
$begingroup$
It is on page 329 (which is the third page of the article) and represents the market price of volatility risk. I have copied below from the original article:
$endgroup$
It is on page 329 (which is the third page of the article) and represents the market price of volatility risk. I have copied below from the original article:
answered 6 hours ago
Magic is in the chainMagic is in the chain
1,06915
1,06915
add a comment |
add a comment |
$begingroup$
That is the "price of volatility risk" (see Page 329)
$endgroup$
add a comment |
$begingroup$
That is the "price of volatility risk" (see Page 329)
$endgroup$
add a comment |
$begingroup$
That is the "price of volatility risk" (see Page 329)
$endgroup$
That is the "price of volatility risk" (see Page 329)
answered 6 hours ago
Alex CAlex C
6,73211123
6,73211123
add a comment |
add a comment |
Thanks for contributing an answer to Quantitative Finance Stack Exchange!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
Use MathJax to format equations. MathJax reference.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fquant.stackexchange.com%2fquestions%2f45233%2fwhat-is-lambda-in-hestons-original-paper-on-stochastic-volatility-models%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown