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Domain > vollib.org
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More information on this domain is in
AlienVault OTX
Is this malicious?
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DNS Resolutions
Date
IP Address
2015-02-22
219.118.71.30
(
ClassC
)
2023-12-19
185.199.110.153
(
ClassC
)
2024-07-11
185.199.109.153
(
ClassC
)
2024-11-04
185.199.111.153
(
ClassC
)
Port 80
HTTP/1.1 301 Moved PermanentlyConnection: keep-aliveContent-Length: 162Server: GitHub.comContent-Type: text/htmlLocation: https://vollib.org/X-GitHub-Request-Id: E1FE:3DD66E:71142:8FD5A:65814FBCAccept html>head>title>301 Moved Permanently/title>/head>body>center>h1>301 Moved Permanently/h1>/center>hr>center>nginx/center>/body>/html>
Port 443
HTTP/1.1 200 OKConnection: keep-aliveContent-Length: 4445Server: GitHub.comContent-Type: text/html; charsetutf-8Last-Modified: Sat, 09 Dec 2023 04:31:45 GMTAccess-Control-Allow-Origin: *ETag: 6573edb1 !DOCTYPE html>html langen>head> meta charsetUTF-8> title>Welcome to vollib/title> link relstylesheet hrefstyles.css> meta nameviewport contentwidthdevice-width, initial-scale1, shrink-to-fitno> !-- script typetext/javascript srcjs/index.js>/script> -->/head>body> header> div classlogo_area> img srcimages/vollib-logo.svg width200px/> /div> div classnav> a href# classactive>Home/a> a hrefsource.html>Source/a> a hrefdocumentation.html>Documentation/a> a hrefinstallation.html>Installation/a> a hreflicense.html>License/a> /div> div classsubheader> h2 classsubheader-headline>Blazingly Fast & Accurate/h2> p classsubheader-body> Option Pricing • Implied Volatility • Greeksbr/> Python • Java • TypeScript • WASM • Kotlinbr/> /p> /div> /header> div classflex> div> p> Vollib is a collection of libraries for calculating option prices, implied volatility and greeks. What makes vollib special is that it is built around Peter Jäckels LetsBeRational, an extremely fast and accurate technique for obtaining Blacks implied volatility. /p> p> LetsBeRational can obtain implied volatility from option prices with as little as two iterations to maximum attainable precision on standard (64 bit floating point) hardware for all possible inputs. /p> p> Another advantage of LetsBeRational is its fast and accurate implementation of the cumulative normal distribution function. Jäckels implementation provides better accuracy across a wider range of inputs, while being two orders of magnitude faster than its equivalent in scipy.stats. /p> p> Building on this solid foundation, vollib provides functions to calculate option prices, implied
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