frontend/src/lib/components/ImpliedVolatility.svelte
2024-08-07 10:48:20 +02:00

399 lines
13 KiB
Svelte

<script lang ='ts'>
import { impliedVolatilityComponent, displayCompanyName, stockTicker, assetType, etfTicker, screenWidth, getCache, setCache} from '$lib/store';
import InfoModal from '$lib/components/InfoModal.svelte';
import { Chart } from 'svelte-echarts'
import { formatDateRange } from "$lib/utils";
import { init, use } from 'echarts/core'
import { LineChart } from 'echarts/charts'
import { GridComponent } from 'echarts/components'
import { CanvasRenderer } from 'echarts/renderers'
use([LineChart, GridComponent, CanvasRenderer])
export let data;
let isLoaded = false;
let displayIV = 'iv60';
let rawData = [];
let optionsData;
let lowestIV;
let highestIV;
let lowestRV;
let highestRV;
let ivRank;
function findLowestAndhighestIV(data, lastDateStr) {
// Convert lastDateStr to Date object
const lastDate = new Date(lastDateStr);
// Set the first date to the beginning of the month of lastDate
const firstDate = new Date(lastDate.getFullYear(), lastDate.getMonth(), 1);
// Filter data to include only prices within the specified month period
const filteredData = data.filter(item => {
const currentDate = new Date(item?.date);
return currentDate >= firstDate && currentDate <= lastDate;
});
// Extract prices from filtered data
let impliedVol = filteredData?.map(item => parseFloat(item?.iv60));
let realizedVol = filteredData?.map(item => parseFloat(item['60dorhv']));
// Find the lowest and highest prices
lowestIV = Math.min(...impliedVol)?.toFixed(0);
highestIV = Math.max(...impliedVol)?.toFixed(0);
lowestRV = Math.min(...realizedVol)?.toFixed(0);
highestRV = Math.max(...realizedVol)?.toFixed(0);
}
function changeStatement(event)
{
displayIV = event.target.value;
optionsData = getPlotOptions()
}
function getPlotOptions() {
let dates = [];
let priceList = [];
let ivList = [];
let realizedVolatility = [];
// Iterate over the data and extract required information
rawData?.forEach(item => {
dates?.push(item?.date);
priceList?.push(item?.stockpx);
ivList?.push(item[displayIV])
realizedVolatility?.push(item['60dorhv'])
});
// Find the lowest and highest prices
findLowestAndhighestIV(rawData, rawData?.slice(-1)?.at(0)?.date)
// Calculate IV Rank
const lowestIV = Math.min(...ivList); // Find the lowest IV in the past
const highestIV = Math.max(...ivList); // Find the highest IV in the past
ivRank = ((ivList?.slice(-1) - lowestIV) / (highestIV - lowestIV) * 100).toFixed(2); // Compute IV Rank
const option = {
silent: true,
tooltip: {
trigger: 'axis',
hideDelay: 100, // Set the delay in milliseconds
},
animation: false,
grid: {
left: '0%',
right: '0%',
bottom: '0%',
top: '10%',
containLabel: true
},
xAxis:
{
type: 'category',
boundaryGap: false,
data: dates,
},
yAxis: [
{
type: 'value',
splitLine: {
show: false, // Disable x-axis grid lines
},
axisLabel: {
color: '#6E7079', // Change label color to white
formatter: function (value, index) {
// Display every second tick
if (index % 2 === 0) {
value = Math.max(value, 0);
return '$'+value;
} else {
return ''; // Hide this tick
}
}
},
},
{
type: 'value',
splitLine: {
show: false, // Disable x-axis grid lines
},
position: 'right',
axisLabel: {
formatter: function (value, index) {
if (index % 2 === 0) {
return value?.toFixed(0)+'%'
} else {
return ''; // Hide this tick
}
}
}
},
],
series: [
{
name: 'Price',
data: priceList,
type: 'line',
itemStyle: {
color: '#fff'
},
showSymbol: false
},
{
name: 'IV',
data: ivList,
type: 'line',
areaStyle: {opacity: 0.3},
stack: 'ImpliedVolatility',
yAxisIndex: 1,
itemStyle: {
color: '#F03500'
},
showSymbol: false,
},
{
name: 'RV',
data: realizedVolatility,
type: 'line',
areaStyle: {opacity: 0.3},
stack: 'ImpliedVolatility',
yAxisIndex: 1,
itemStyle: {
color: '#3B82F6'
},
showSymbol: false,
},
]
};
return option;
}
const getImpliedVolatility = async (ticker) => {
// Get cached data for the specific tickerID
const cachedData = getCache(ticker, 'getImpliedVolatility');
if (cachedData) {
rawData = cachedData;
} else {
const postData = {'ticker': ticker};
// make the POST request to the endpoint
const response = await fetch(data?.apiURL + '/implied-volatility', {
method: 'POST',
headers: {
"Content-Type": "application/json", "X-API-KEY": data?.apiKey
},
body: JSON.stringify(postData)
});
rawData = (await response.json());
// Cache the data for this specific tickerID with a specific name 'getImpliedVolatility'
setCache(ticker, rawData, 'getImpliedVolatility');
}
if(rawData?.length !== 0) {
$impliedVolatilityComponent = true;
} else {
$impliedVolatilityComponent = false;
}
};
$: {
if($assetType === 'stock' ? $stockTicker : $etfTicker && typeof window !== 'undefined') {
isLoaded=false;
displayIV = 'iv60';
const ticker = $assetType === 'stock' ? $stockTicker : $etfTicker
const asyncFunctions = [
getImpliedVolatility(ticker)
];
Promise.all(asyncFunctions)
.then((results) => {
optionsData = getPlotOptions()
})
.catch((error) => {
console.error('An error occurred:', error);
});
isLoaded = true;
}
}
$: charNumber = $screenWidth < 640 ? 20 : 40;
</script>
<section class="overflow-hidden text-white h-full pb-8">
<main class="overflow-hidden ">
<div class="flex flex-row items-center">
<label for="impliedVolatilityInfo" class="mr-1 cursor-pointer flex flex-row items-center text-white text-xl sm:text-3xl font-bold">
Implied Volatility
</label>
<InfoModal
title={"Implied Volatility"}
content={"An implied volatility of XY% means the market expects significant price fluctuations for the stock, with an annualized potential range of ±XY% from its current price. This indicates high uncertainty and risk, leading to more expensive options but doesn't predict price direction."}
id={"impliedVolatilityInfo"}
/>
</div>
{#if data?.user?.tier === 'Pro'}
{#if isLoaded}
{#if rawData?.length !== 0}
<div class="w-full flex flex-col items-start mb-2">
<div class="text-white text-[1rem] mt-2 mb-2 w-full">
Based on the past 12 months of historical data, {$displayCompanyName} has an IV Rank of <span class="font-semibold">{ivRank}%</span>, with the current implied volatility standing at <span class="font-semibold">{rawData?.slice(-1)?.at(0)?.iv60}%</span>.
</div>
</div>
<select class="mt-5 mb-5 sm:mb-0 sm:mt-3 ml-1 w-44 select select-bordered select-sm p-0 pl-5 overflow-y-auto bg-[#2A303C]" on:change={changeStatement}>
<option disabled>Choose IV Period</option>
<option selected value="iv60">
60 Day IV
</option>
<option value="iv90">
90 Day IV
</option>
<option value="252dclshv">
1 Year historical volatility
</option>
</select>
<div class="pb-2 rounded-lg bg-[#09090B]">
<div class="app w-full h-[300px] mt-5">
<Chart {init} options={optionsData} class="chart" />
</div>
</div>
<div class="flex flex-row items-center justify-between mx-auto mt-5 w-full sm:w-11/12">
<div class="mt-3.5 sm:mt-0 flex flex-col sm:flex-row items-center ml-3 sm:ml-0 w-1/2 justify-center">
<div class="h-full transform -translate-x-1/2 " aria-hidden="true"></div>
<div class="w-3 h-3 bg-[#fff] border-4 box-content border-[#27272A] rounded-full transform sm:-translate-x-1/2" aria-hidden="true"></div>
<span class="mt-2 sm:mt-0 text-white text-center sm:text-start text-xs sm:text-md inline-block">
Price
</span>
</div>
<div class="flex flex-col sm:flex-row items-center ml-3 sm:ml-0 w-1/2 justify-center">
<div class="h-full transform -translate-x-1/2 " aria-hidden="true"></div>
<div class="w-3 h-3 bg-[#F03500] border-4 box-content border-[#27272A] rounded-full transform sm:-translate-x-1/2" aria-hidden="true"></div>
<span class="mt-2 sm:mt-0 text-white text-xs sm:text-md sm:font-medium inline-block">
Implied Volatility
</span>
</div>
<div class="flex flex-col sm:flex-row items-center ml-3 sm:ml-0 w-1/2 justify-center">
<div class="h-full transform -translate-x-1/2 " aria-hidden="true"></div>
<div class="w-3 h-3 bg-[#3B82F6] border-4 box-content border-[#27272A] rounded-full transform sm:-translate-x-1/2" aria-hidden="true"></div>
<span class="mt-2 sm:mt-0 text-white text-xs sm:text-md sm:font-medium inline-block">
Realized Volatility
</span>
</div>
</div>
<h2 class="mt-10 mr-1 flex flex-row items-center text-white text-xl sm:text-2xl font-bold mb-3">
Latest Information
</h2>
<div class="flex justify-start items-center w-full m-auto ">
<table class="w-full" data-test="statistics-table">
<tbody>
<tr class="border-y border-gray-800 odd:bg-[#27272A]">
<td class="px-[5px] py-1.5 xs:px-2.5 xs:py-2">
<span>Date</span>
</td>
<td class="px-[5px] py-1.5 text-right text-sm sm:text-[1rem] font-medium xs:px-2.5 xs:py-2">
{formatDateRange(rawData?.slice(-1)?.at(0)?.date)}
</td>
</tr>
<tr class="border-y border-gray-800 odd:bg-[#27272A]">
<td class="px-[5px] py-1.5 xs:px-2.5 xs:py-2">
<span>IV Range</span>
</td>
<td class="px-[5px] py-1.5 text-right font-medium xs:px-2.5 xs:py-2">
{lowestIV+'%'+'-'+highestIV+'%'}
</td>
</tr>
<tr class="border-y border-gray-800 odd:bg-[#27272A]">
<td class="px-[5px] py-1.5 xs:px-2.5 xs:py-2">
<span>RV Range</span>
</td>
<td class="px-[5px] py-1.5 text-right font-medium xs:px-2.5 xs:py-2">
{lowestRV+'%'+'-'+highestRV+'%'}
</td>
</tr>
</tbody>
</table>
</div>
{/if}
{:else}
<div class="flex justify-center items-center h-80">
<div class="relative">
<label class="bg-[#09090B] rounded-xl h-14 w-14 flex justify-center items-center absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2">
<span class="loading loading-spinner loading-md"></span>
</label>
</div>
</div>
{/if}
{:else}
<div class="shadow-lg shadow-bg-[#000] bg-[#111112] sm:bg-opacity-[0.5] text-sm sm:text-[1rem] rounded-md w-full p-4 min-h-24 mt-4 text-white m-auto flex justify-center items-center text-center font-semibold">
<svg class="mr-1.5 w-5 h-5 inline-block"xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="#A3A3A3" d="M17 9V7c0-2.8-2.2-5-5-5S7 4.2 7 7v2c-1.7 0-3 1.3-3 3v7c0 1.7 1.3 3 3 3h10c1.7 0 3-1.3 3-3v-7c0-1.7-1.3-3-3-3M9 7c0-1.7 1.3-3 3-3s3 1.3 3 3v2H9z"/></svg>
Unlock content with <a class="inline-block ml-2 text-blue-400 hover:sm:text-white" href="/pricing">Pro Subscription</a>
</div>
{/if}
</main>
</section>
<style>
.app {
height: 300px;
max-width: 100%; /* Ensure chart width doesn't exceed the container */
}
@media (max-width: 640px) {
.app {
height: 210px;
}
}
.chart {
width: 100%;
}
</style>