359 lines
10 KiB
Svelte
359 lines
10 KiB
Svelte
<script lang="ts">
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import { abbreviateNumberWithColor, monthNames } from "$lib/utils";
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import { screenWidth } from "$lib/store";
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import { onMount } from "svelte";
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import TableHeader from "$lib/components/Table/TableHeader.svelte";
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import UpgradeToPro from "$lib/components/UpgradeToPro.svelte";
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import { Chart } from "svelte-echarts";
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import { init, use } from "echarts/core";
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import { LineChart, BarChart } from "echarts/charts";
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import {
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GridComponent,
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TooltipComponent,
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LegendComponent,
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} from "echarts/components";
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import { CanvasRenderer } from "echarts/renderers";
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use([
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LineChart,
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BarChart,
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GridComponent,
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TooltipComponent,
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LegendComponent,
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CanvasRenderer,
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]);
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export let data;
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let rawData = data?.getData || [];
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const today = new Date();
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rawData = rawData?.reduce((result, item) => {
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const itemDate = new Date(item?.expiry);
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if (itemDate >= today) {
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result.push({
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...item,
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put_call_ratio:
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item?.call_oi > 0
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? Math.abs((item?.put_oi || 0) / item.call_oi)
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: null,
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});
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}
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return result;
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}, []);
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let displayList = rawData?.slice(0, 150);
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let options = null;
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function plotData() {
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const processedData = rawData?.map((d) => ({
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expiry: d?.expiry,
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callValue: d?.call_oi,
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putValue: d?.put_oi,
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}));
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const dates = processedData?.map((d) => d.expiry);
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const callValues = processedData?.map((d) => d.callValue?.toFixed(2));
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const putValues = processedData?.map((d) => d.putValue?.toFixed(2));
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const barWidthPercentage = Math.max(100 / processedData.length, 20); // Adjust automatically, max 80%
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const options = {
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animation: false,
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tooltip: {
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trigger: "axis",
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axisPointer: {
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type: "shadow",
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},
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backgroundColor: "#313131",
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textStyle: {
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color: "#fff",
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},
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formatter: function (params) {
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const strike = params[0].axisValue;
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const call = params[1].data;
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const put = params[0].data;
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return `
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<div style="text-align:left;">
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<b>Strike:</b> ${strike}<br/>
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<span style="color:#00FC50;">● Call OI:</span> ${abbreviateNumberWithColor(call, false, true)}<br/>
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<span style="color:#FF2F1F;">● Put OI:</span> ${abbreviateNumberWithColor(put, false, true)}<br/>
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</div>`;
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},
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},
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grid: {
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left: $screenWidth < 640 ? "5%" : "2%",
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right: $screenWidth < 640 ? "5%" : "2%",
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bottom: "10%",
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containLabel: true,
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},
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yAxis: {
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type: "value",
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nameTextStyle: { color: "#fff" },
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splitLine: { show: false },
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axisLabel: {
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show: false, // Hide x-axis labels
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},
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},
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xAxis: [
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{
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type: "category",
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data: dates,
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axisLabel: {
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color: "#fff",
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formatter: function (value) {
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// Assuming dates are in the format 'yyyy-mm-dd'
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const dateParts = value.split("-");
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const monthIndex = parseInt(dateParts[1]) - 1; // Months are zero-indexed in JavaScript Date objects
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const year = parseInt(dateParts[0]);
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const day = parseInt(dateParts[2]);
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return `${day} ${monthNames[monthIndex]} ${year}`;
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},
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},
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},
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],
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series: [
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{
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name: `Put`,
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type: "bar",
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data: putValues,
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itemStyle: { color: "#FF2F1F" },
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barWidth: `${barWidthPercentage}%`,
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},
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{
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name: `Call `,
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type: "bar",
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data: callValues,
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itemStyle: { color: "#00FC50" },
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barWidth: `${barWidthPercentage}%`,
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},
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],
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};
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return options;
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}
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async function handleScroll() {
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const scrollThreshold = document.body.offsetHeight * 0.8; // 80% of the website height
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const isBottom = window.innerHeight + window.scrollY >= scrollThreshold;
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if (isBottom && displayList?.length !== rawData?.length) {
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const nextIndex = displayList?.length;
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const filteredNewResults = rawData?.slice(nextIndex, nextIndex + 50);
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displayList = [...displayList, ...filteredNewResults];
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}
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}
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onMount(() => {
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window.addEventListener("scroll", handleScroll);
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return () => {
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window.removeEventListener("scroll", handleScroll);
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};
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});
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$: columns = [
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{ key: "expiry", label: "Expiry Date", align: "left" },
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{
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key: "call_oi",
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label: `Call OI`,
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align: "right",
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},
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{
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key: "put_oi",
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label: `Put OI`,
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align: "right",
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},
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{
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key: "put_call_ratio",
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label: `P/C OI`,
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align: "right",
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},
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];
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$: sortOrders = {
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expiry: { order: "none", type: "date" },
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call_oi: { order: "none", type: "number" },
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put_oi: { order: "none", type: "number" },
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put_call_ratio: { order: "none", type: "number" },
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};
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const sortData = (key) => {
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// Reset all other keys to 'none' except the current key
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for (const k in sortOrders) {
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if (k !== key) {
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sortOrders[k].order = "none";
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}
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}
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// Cycle through 'none', 'asc', 'desc' for the clicked key
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const orderCycle = ["none", "asc", "desc"];
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let originalData = rawData;
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const currentOrderIndex = orderCycle.indexOf(sortOrders[key].order);
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sortOrders[key].order =
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orderCycle[(currentOrderIndex + 1) % orderCycle.length];
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const sortOrder = sortOrders[key].order;
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// Reset to original data when 'none' and stop further sorting
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if (sortOrder === "none") {
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originalData = [...rawData]; // Reset originalData to rawDataVolume
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displayList = originalData;
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return;
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}
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// Define a generic comparison function
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const compareValues = (a, b) => {
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const { type } = sortOrders[key];
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let valueA, valueB;
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switch (type) {
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case "date":
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valueA = new Date(a[key]);
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valueB = new Date(b[key]);
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break;
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case "string":
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valueA = a[key].toUpperCase();
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valueB = b[key].toUpperCase();
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return sortOrder === "asc"
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? valueA.localeCompare(valueB)
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: valueB.localeCompare(valueA);
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case "number":
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default:
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valueA = parseFloat(a[key]);
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valueB = parseFloat(b[key]);
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break;
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}
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if (sortOrder === "asc") {
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return valueA < valueB ? -1 : valueA > valueB ? 1 : 0;
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} else {
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return valueA > valueB ? -1 : valueA < valueB ? 1 : 0;
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}
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};
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// Sort using the generic comparison function
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displayList = [...originalData].sort(compareValues);
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};
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$: {
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if (typeof window !== "undefined") {
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options = plotData();
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}
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}
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</script>
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<div class="sm:pl-7 sm:pb-7 sm:pt-7 w-full m-auto mt-2 sm:mt-0">
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<h2
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class=" flex flex-row items-center text-white text-xl sm:text-2xl font-bold w-fit"
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>
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Open Interest (OI) By Expiry
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</h2>
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<div class="w-full overflow-hidden m-auto">
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{#if options !== null}
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<div class="app w-full relative">
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<Chart {init} {options} class="chart" />
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</div>
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{:else}
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<div class="flex justify-center items-center h-80">
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<div class="relative">
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<label
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class="bg-primary rounded-md 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"
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>
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<span
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class="loading loading-spinner loading-md sm:loading-[1rem] text-gray-400"
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></span>
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</label>
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</div>
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</div>
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{/if}
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</div>
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<div class="w-full overflow-x-scroll text-white">
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<table
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class="w-full table table-sm table-compact bg-table border border-gray-800 rounded-none sm:rounded-md m-auto overflow-x-auto"
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>
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<thead>
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<TableHeader {columns} {sortOrders} {sortData} />
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</thead>
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<tbody>
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{#each data?.user?.tier === "Pro" ? displayList : displayList?.slice(0, 3) as item, index}
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<tr
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class="sm:hover:bg-[#245073] sm:hover:bg-opacity-[0.2] odd:bg-odd border-b border-gray-800 {index +
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1 ===
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displayList?.slice(0, 3)?.length && data?.user?.tier !== 'Pro'
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? 'opacity-[0.1]'
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: ''}"
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>
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<td
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class="text-white text-sm sm:text-[1rem] text-start whitespace-nowrap"
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>
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{new Date(item?.expiry).toLocaleDateString("en-US", {
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month: "short", // Abbreviated month (e.g., Jan)
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day: "numeric", // Numeric day (e.g., 10)
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year: "numeric", // Full year (e.g., 2025)
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})}
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</td>
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<td
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class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
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>
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{@html abbreviateNumberWithColor(
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item?.call_oi?.toFixed(2),
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false,
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true,
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)}
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</td>
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<td
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class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
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>
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{@html abbreviateNumberWithColor(
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item?.put_oi?.toFixed(2),
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false,
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true,
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)}
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</td>
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<td
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class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
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>
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{#if item?.put_call_ratio <= 1 && item?.put_call_ratio !== null}
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<span class="text-[#00FC50]"
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>{item?.put_call_ratio?.toFixed(2)}</span
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>
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{:else if item?.put_call_ratio > 1 && item?.put_call_ratio !== null}
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<span class="text-[#FF2F1F]"
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>{item?.put_call_ratio?.toFixed(2)}</span
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>
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{:else}
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n/a
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{/if}
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</td>
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</tr>
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{/each}
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</tbody>
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</table>
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</div>
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<UpgradeToPro {data} />
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</div>
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<style>
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.app {
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height: 400px;
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width: 100%;
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}
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@media (max-width: 560px) {
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.app {
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width: 100%;
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height: 300px;
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}
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}
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.chart {
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width: 100%;
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}
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</style>
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