update options page

src/routes/stocks/[tickerID]/options/+layout.svelte

@@ -11,8 +11,8 @@
     const subSectionMap = {
       overview: "/options",
       "hottest-contracts": "/options/hottest-contracts",
-      GEX: "/options/gex",
+      gex: "/options/gex",
-      DEX: "/options/dex",
+      dex: "/options/dex",
     };
 
     if (state !== "overview" && subSectionMap[state]) {

src/routes/stocks/[tickerID]/options/gex/+layout.svelte

@@ -0,0 +1,95 @@
+<script lang="ts">
+  import { stockTicker } from "$lib/store";
+  import ArrowLogo from "lucide-svelte/icons/move-up-right";
+  import { page } from "$app/stores";
+
+  export let data;
+
+  let displaySubSection = "overview";
+
+  function changeSubSection(state) {
+    const subSectionMap = {
+      gex: "/options/gex",
+      strike: "/options/gex/strike",
+      expiry: "/options/gex/expiry",
+    };
+
+    if (state !== "overview" && subSectionMap[state]) {
+      displaySubSection = state;
+      //goto(`/stocks/${$stockTicker}${subSectionMap[state]}`);
+    } else {
+      displaySubSection = state;
+      //goto(`/stocks/${$stockTicker}/statistics`);
+    }
+  }
+
+  $: {
+    if ($page?.url?.pathname) {
+      const parts = $page?.url?.pathname.split("/");
+      const sectionMap = {
+        overview: "overview",
+        strike: "strike",
+        expiry: "expiry",
+      };
+
+      const foundSection = parts?.find((part) =>
+        Object?.values(sectionMap)?.includes(part),
+      );
+
+      displaySubSection =
+        Object?.keys(sectionMap)?.find(
+          (key) => sectionMap[key] === foundSection,
+        ) || "overview";
+    }
+  }
+</script>
+
+<section class="w-full overflow-hidden min-h-screen">
+  <div class="w-full overflow-hidden m-auto">
+    <div class="sm:p-0 flex justify-center w-full m-auto overflow-hidden">
+      <div
+        class="relative flex justify-center items-start overflow-hidden w-full"
+      >
+        <main class="w-full">
+          <nav
+            class="sm:ml-4 overflow-x-scroll pt-1 text-sm sm:text-[1rem] whitespace-nowrap"
+          >
+            <ul class="flex flex-row items-center w-full text-white">
+              <a
+                href={`/stocks/${$stockTicker}/options/gex`}
+                on:click={() => changeSubSection("overview")}
+                class="p-2 px-5 cursor-pointer {displaySubSection === 'overview'
+                  ? 'text-white bg-primary sm:hover:bg-opacity-[0.95]'
+                  : 'text-gray-400 sm:hover:text-white sm:hover:bg-primary sm:hover:bg-opacity-[0.95]'}"
+              >
+                Overview
+              </a>
+
+              <a
+                href={`/stocks/${$stockTicker}/options/gex/strike`}
+                on:click={() => changeSubSection("strike")}
+                class="p-2 px-5 cursor-pointer {displaySubSection === 'strike'
+                  ? 'text-white bg-primary sm:hover:bg-opacity-[0.95]'
+                  : 'text-gray-400 sm:hover:text-white sm:hover:bg-primary sm:hover:bg-opacity-[0.95]'}"
+              >
+                By Strike
+              </a>
+              <a
+                href={`/stocks/${$stockTicker}/options/gex/expiry`}
+                on:click={() => changeSubSection("expiry")}
+                class="p-2 px-5 cursor-pointer {displaySubSection === 'expiry'
+                  ? 'text-white bg-primary sm:hover:bg-opacity-[0.95]'
+                  : 'text-gray-400 sm:hover:text-white sm:hover:bg-primary sm:hover:bg-opacity-[0.95]'}"
+              >
+                By Expiry
+              </a>
+            </ul>
+          </nav>
+          <div class="mt-2 sm:mt-0">
+            <slot />
+          </div>
+        </main>
+      </div>
+    </div>
+  </div>
+</section>

src/routes/stocks/[tickerID]/options/gex/+page.server.ts

@@ -5,7 +5,8 @@ export const load = async ({ locals, params }) => {
 
   const getData = async () => {
     const postData = {
-      ticker: params.tickerID,
+      params: params.tickerID,
+      category: "overview"
     };
 
     const response = await fetch(apiURL + "/options-gex-dex", {

src/routes/stocks/[tickerID]/options/gex/+page.svelte

@@ -143,8 +143,8 @@
       },
       silent: true,
       grid: {
-        left: $screenWidth < 640 ? "5%" : "2%",
+        left: $screenWidth < 640 ? "5%" : "0%",
-        right: $screenWidth < 640 ? "5%" : "2%",
+        right: $screenWidth < 640 ? "5%" : "0%",
         bottom: "20%",
         containLabel: true,
       },
@@ -420,7 +420,7 @@
           </div>
           <div class="w-full overflow-x-scroll text-white">
             <table
-              class="w-full table table-sm table-compact bg-table border border-gray-800 rounded-none sm:rounded-md m-auto mt-4 overflow-x-auto"
+              class="w-full table table-sm table-compact bg-table border border-gray-800 rounded-none sm:rounded-md m-auto overflow-x-auto"
             >
               <thead>
                 <TableHeader {columns} {sortOrders} {sortData} />

src/routes/stocks/[tickerID]/options/gex/strike/+page.server.ts

@@ -0,0 +1,50 @@
+
+
+export const load = async ({ locals, params }) => {
+  const { apiKey, apiURL, user } = locals;
+
+  const getData = async () => {
+    const postData = {
+      params: params.tickerID,
+      category: "overview"
+    };
+
+    const response = await fetch(apiURL + "/options-gex-dex", {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+        "X-API-KEY": apiKey,
+      },
+      body: JSON.stringify(postData),
+    });
+  const output = await response.json();
+  
+    return output;
+  }; 
+
+
+   const getHistoricalPrice = async () => {
+     const postData = { ticker: params.tickerID, timePeriod: "one-year" };
+  const response = await fetch(apiURL + "/historical-price", {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+      "X-API-KEY": apiKey,
+    },
+    body: JSON.stringify(postData),
+  });
+
+    const output = await response.json();
+    return output;
+  }; 
+
+  
+
+  // Make sure to return a promise
+  return {
+    getData: await getData(),
+    getHistoricalPrice: await getHistoricalPrice(),
+  };
+};
+
+

src/routes/stocks/[tickerID]/options/gex/strike/+page.svelte

@@ -0,0 +1,525 @@
+<script lang="ts">
+  import {
+    abbreviateNumberWithColor,
+    abbreviateNumber,
+    monthNames,
+  } from "$lib/utils";
+  import {
+    stockTicker,
+    screenWidth,
+    numberOfUnreadNotification,
+    displayCompanyName,
+  } from "$lib/store";
+  import { onMount } from "svelte";
+  import TableHeader from "$lib/components/Table/TableHeader.svelte";
+  import UpgradeToPro from "$lib/components/UpgradeToPro.svelte";
+  import Infobox from "$lib/components/Infobox.svelte";
+  import { Chart } from "svelte-echarts";
+
+  import { init, use } from "echarts/core";
+  import { LineChart, BarChart } from "echarts/charts";
+  import {
+    GridComponent,
+    TooltipComponent,
+    LegendComponent,
+  } from "echarts/components";
+  import { CanvasRenderer } from "echarts/renderers";
+
+  use([
+    LineChart,
+    BarChart,
+    GridComponent,
+    TooltipComponent,
+    LegendComponent,
+    CanvasRenderer,
+  ]);
+
+  export let data;
+  let rawData = data?.getData || [];
+
+  rawData = rawData?.map((item) => ({
+    ...item,
+    net_gamma: (item?.call_gamma || 0) + (item?.put_gamma || 0),
+    put_call_ratio:
+      item?.call_gamma > 0
+        ? Math.abs((item?.put_gamma || 0) / item?.call_gamma)
+        : null,
+  }));
+
+  let displayList = rawData?.slice(0, 150);
+  let timePeriod = "3M";
+
+  let options = null;
+
+  function filterDataByPeriod(historicalData, period = "3M") {
+    const currentDate = new Date();
+    let startDate = new Date();
+
+    // Calculate the start date based on the period input
+    switch (period) {
+      case "3M":
+        startDate.setMonth(currentDate.getMonth() - 3);
+        break;
+      case "6M":
+        startDate.setMonth(currentDate.getMonth() - 6);
+        break;
+      case "1Y":
+        startDate.setFullYear(currentDate.getFullYear() - 1);
+        break;
+      default:
+        throw new Error(`Unsupported period: ${period}`);
+    }
+
+    // Filter the data based on the calculated start date
+    let filteredData = historicalData?.filter((item) => {
+      if (!item?.date) return false;
+      const itemDate = new Date(item.date);
+      return itemDate >= startDate && itemDate <= currentDate;
+    });
+
+    filteredData?.forEach((entry) => {
+      const matchingData = data?.getHistoricalPrice?.find(
+        (d) => d?.time === entry?.date,
+      );
+      if (matchingData) {
+        entry.price = matchingData?.close;
+      }
+    });
+
+    // Extract the dates and gamma values from the filtered data
+    const dateList = filteredData?.map((item) => item.date);
+    const gammaList = filteredData?.map((item) => item.net_gamma);
+    const priceList = filteredData?.map((item) => item.price);
+
+    return { dateList, gammaList, priceList };
+  }
+
+  function plotData() {
+    const data = rawData?.sort((a, b) => new Date(a?.date) - new Date(b?.date));
+    const { dateList, gammaList, priceList } = filterDataByPeriod(
+      data,
+      timePeriod,
+    );
+    const options = {
+      animation: false,
+      tooltip: {
+        trigger: "axis",
+        hideDelay: 100,
+        borderColor: "#969696", // Black border color
+        borderWidth: 1, // Border width of 1px
+        backgroundColor: "#313131", // Optional: Set background color for contrast
+        textStyle: {
+          color: "#fff", // Optional: Text color for better visibility
+        },
+        formatter: function (params) {
+          // Get the timestamp from the first parameter
+          const timestamp = params[0].axisValue;
+
+          // Initialize result with timestamp
+          let result = timestamp + "<br/>";
+
+          // Add each series data
+          params?.forEach((param) => {
+            const marker =
+              '<span style="display:inline-block;margin-right:4px;' +
+              "border-radius:10px;width:10px;height:10px;background-color:" +
+              param.color +
+              '"></span>';
+            result +=
+              marker +
+              param.seriesName +
+              ": " +
+              abbreviateNumber(param.value) +
+              "<br/>";
+          });
+
+          return result;
+        },
+        axisPointer: {
+          lineStyle: {
+            color: "#fff",
+          },
+        },
+      },
+      silent: true,
+      grid: {
+        left: $screenWidth < 640 ? "5%" : "0%",
+        right: $screenWidth < 640 ? "5%" : "0%",
+        bottom: "20%",
+        containLabel: true,
+      },
+      xAxis: [
+        {
+          type: "category",
+          data: dateList,
+          axisLabel: {
+            color: "#fff",
+
+            formatter: function (value) {
+              // Assuming dates are in the format 'yyyy-mm-dd'
+              const dateParts = value.split("-");
+              const monthIndex = parseInt(dateParts[1]) - 1; // Months are zero-indexed in JavaScript Date objects
+              const year = parseInt(dateParts[0]);
+              const day = parseInt(dateParts[2]);
+              return `${day} ${monthNames[monthIndex]} ${year}`;
+            },
+          },
+        },
+      ],
+      yAxis: [
+        {
+          type: "value",
+          splitLine: {
+            show: false, // Disable x-axis grid lines
+          },
+          axisLabel: {
+            show: false, // Hide y-axis labels
+          },
+        },
+        {
+          type: "value",
+          splitLine: {
+            show: false, // Disable x-axis grid lines
+          },
+          position: "right",
+          axisLabel: {
+            show: false, // Hide y-axis labels
+          },
+        },
+      ],
+      series: [
+        {
+          name: "Price",
+          type: "line",
+          data: priceList,
+          yAxisIndex: 1,
+          lineStyle: { width: 2 },
+          itemStyle: {
+            color: "#fff",
+          },
+          smooth: true,
+          showSymbol: false,
+        },
+        {
+          name: "Gamma",
+          type: "bar",
+          data: gammaList,
+          itemStyle: {
+            color: "#9B5DC4",
+          },
+        },
+      ],
+    };
+    return options;
+  }
+
+  function formatDate(dateStr) {
+    // Parse the input date string (YYYY-mm-dd)
+    var date = new Date(dateStr);
+
+    // Get month, day, and year
+    var month = date.getMonth() + 1; // Month starts from 0
+    var day = date.getDate();
+    var year = date.getFullYear();
+
+    // Extract the last two digits of the year
+    var shortYear = year.toString().slice(-2);
+
+    // Add leading zeros if necessary
+    month = (month < 10 ? "0" : "") + month;
+    day = (day < 10 ? "0" : "") + day;
+
+    var formattedDate = month + "/" + day + "/" + year;
+
+    return formattedDate;
+  }
+
+  async function handleScroll() {
+    const scrollThreshold = document.body.offsetHeight * 0.8; // 80% of the website height
+    const isBottom = window.innerHeight + window.scrollY >= scrollThreshold;
+
+    if (isBottom && displayList?.length !== rawData?.length) {
+      const nextIndex = displayList?.length;
+      const filteredNewResults = rawData?.slice(nextIndex, nextIndex + 50);
+      displayList = [...displayList, ...filteredNewResults];
+    }
+  }
+
+  onMount(() => {
+    window.addEventListener("scroll", handleScroll);
+    return () => {
+      window.removeEventListener("scroll", handleScroll);
+    };
+  });
+
+  $: columns = [
+    { key: "date", label: "Date", align: "left" },
+    { key: "call_gamma", label: "Call GEX", align: "right" },
+    { key: "put_gamma", label: "Put GEX", align: "right" },
+    { key: "put_gamma", label: "Net GEX", align: "right" },
+    { key: "put_call_ratio", label: "P/C GEX", align: "right" },
+  ];
+
+  $: sortOrders = {
+    date: { order: "none", type: "date" },
+    call_gamma: { order: "none", type: "number" },
+    put_gamma: { order: "none", type: "number" },
+    net_gamma: { order: "none", type: "number" },
+    put_call_ratio: { order: "none", type: "number" },
+  };
+
+  const sortData = (key) => {
+    // Reset all other keys to 'none' except the current key
+    for (const k in sortOrders) {
+      if (k !== key) {
+        sortOrders[k].order = "none";
+      }
+    }
+
+    // Cycle through 'none', 'asc', 'desc' for the clicked key
+    const orderCycle = ["none", "asc", "desc"];
+    let originalData = rawData;
+    const currentOrderIndex = orderCycle.indexOf(sortOrders[key].order);
+    sortOrders[key].order =
+      orderCycle[(currentOrderIndex + 1) % orderCycle.length];
+    const sortOrder = sortOrders[key].order;
+
+    // Reset to original data when 'none' and stop further sorting
+    if (sortOrder === "none") {
+      originalData = [...rawData]; // Reset originalData to rawDataVolume
+      displayList = originalData;
+      return;
+    }
+
+    // Define a generic comparison function
+    const compareValues = (a, b) => {
+      const { type } = sortOrders[key];
+      let valueA, valueB;
+
+      switch (type) {
+        case "date":
+          valueA = new Date(a[key]);
+          valueB = new Date(b[key]);
+          break;
+        case "string":
+          valueA = a[key].toUpperCase();
+          valueB = b[key].toUpperCase();
+          return sortOrder === "asc"
+            ? valueA.localeCompare(valueB)
+            : valueB.localeCompare(valueA);
+        case "number":
+        default:
+          valueA = parseFloat(a[key]);
+          valueB = parseFloat(b[key]);
+          break;
+      }
+
+      if (sortOrder === "asc") {
+        return valueA < valueB ? -1 : valueA > valueB ? 1 : 0;
+      } else {
+        return valueA > valueB ? -1 : valueA < valueB ? 1 : 0;
+      }
+    };
+
+    // Sort using the generic comparison function
+    displayList = [...originalData].sort(compareValues);
+  };
+
+  $: {
+    if (typeof window !== "undefined" && timePeriod) {
+      options = plotData();
+    }
+  }
+</script>
+
+<svelte:head>
+  <meta charset="utf-8" />
+  <meta name="viewport" content="width=device-width" />
+  <title>
+    {$numberOfUnreadNotification > 0 ? `(${$numberOfUnreadNotification})` : ""}
+    {$displayCompanyName} ({$stockTicker}) Gamma Exposure · Stocknear
+  </title>
+  <meta
+    name="description"
+    content={`Explore historic volume & open interest of option chains & save individual contracts for later`}
+  />
+
+  <!-- Other meta tags -->
+  <meta
+    property="og:title"
+    content={`${$displayCompanyName} (${$stockTicker}) Gamma Exposure · Stocknear`}
+  />
+  <meta
+    property="og:description"
+    content={`Explore historic volume & open interest of option chains & save individual contracts for later`}
+  />
+  <meta property="og:type" content="website" />
+  <!-- Add more Open Graph meta tags as needed -->
+
+  <!-- Twitter specific meta tags -->
+  <meta name="twitter:card" content="summary_large_image" />
+  <meta
+    name="twitter:title"
+    content={`${$displayCompanyName} (${$stockTicker}) Gamma Exposure · Stocknear`}
+  />
+  <meta
+    name="twitter:description"
+    content={`Explore historic volume & open interest of option chains & save individual contracts for later`}
+  />
+  <!-- Add more Twitter meta tags as needed -->
+</svelte:head>
+
+<section
+  class="w-full bg-default overflow-hidden text-white min-h-screen pb-40"
+>
+  <div class="w-full flex h-full overflow-hidden">
+    <div
+      class="w-full relative flex justify-center items-center overflow-hidden"
+    >
+      {#if rawData?.length > 0}
+        <div class="sm:p-7 w-full m-auto mt-2 sm:mt-0">
+          <h2
+            class=" flex flex-row items-center text-white text-xl sm:text-2xl font-bold w-fit"
+          >
+            Daily Gamma Exposure
+          </h2>
+
+          <div class="w-full overflow-hidden m-auto mt-5">
+            {#if options !== null}
+              <div class="app w-full relative">
+                <div
+                  class="flex justify-start space-x-2 absolute right-0 top-0 z-10"
+                >
+                  {#each ["3M", "6M", "1Y"] as item}
+                    <label
+                      on:click={() => (timePeriod = item)}
+                      class="px-3 py-1 text-sm {timePeriod === item
+                        ? 'bg-white text-black '
+                        : 'text-white bg-table text-opacity-[0.6]'} transition ease-out duration-100 sm:hover:bg-white sm:hover:text-black rounded-md cursor-pointer"
+                    >
+                      {item}
+                    </label>
+                  {/each}
+                </div>
+
+                <Chart {init} {options} class="chart" />
+              </div>
+            {:else}
+              <div class="flex justify-center items-center h-80">
+                <div class="relative">
+                  <label
+                    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"
+                  >
+                    <span
+                      class="loading loading-spinner loading-md sm:loading-[1rem] text-gray-400"
+                    ></span>
+                  </label>
+                </div>
+              </div>
+            {/if}
+          </div>
+          <div class="w-full overflow-x-scroll text-white">
+            <table
+              class="w-full table table-sm table-compact bg-table border border-gray-800 rounded-none sm:rounded-md m-auto mt-4 overflow-x-auto"
+            >
+              <thead>
+                <TableHeader {columns} {sortOrders} {sortData} />
+              </thead>
+              <tbody>
+                {#each displayList as item, index}
+                  <tr
+                    class="sm:hover:bg-[#245073] sm:hover:bg-opacity-[0.2] odd:bg-odd border-b border-gray-800 {index +
+                      1 ===
+                      displayList?.slice(0, 3)?.length &&
+                    data?.user?.tier !== 'Pro'
+                      ? 'opacity-[0.1]'
+                      : ''}"
+                  >
+                    <td
+                      class="text-white text-sm sm:text-[1rem] text-start whitespace-nowrap"
+                    >
+                      {formatDate(item?.date)}
+                    </td>
+                    <td
+                      class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
+                    >
+                      {@html abbreviateNumberWithColor(
+                        item?.call_gamma,
+                        false,
+                        true,
+                      )}
+                    </td>
+                    <td
+                      class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
+                    >
+                      {@html abbreviateNumberWithColor(
+                        item?.put_gamma,
+                        false,
+                        true,
+                      )}
+                    </td>
+
+                    <td
+                      class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
+                    >
+                      {@html abbreviateNumberWithColor(
+                        item?.net_gamma,
+                        false,
+                        true,
+                      )}
+                    </td>
+
+                    <td
+                      class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
+                    >
+                      {#if item?.put_call_ratio <= 1}
+                        <span class="text-[#00FC50]"
+                          >{item?.put_call_ratio?.toFixed(2)}</span
+                        >
+                      {:else}
+                        <span class="text-[#FF2F1F]"
+                          >{item?.put_call_ratio?.toFixed(2)}</span
+                        >
+                      {/if}
+                    </td>
+                  </tr>
+                {/each}
+              </tbody>
+            </table>
+          </div>
+
+          <UpgradeToPro {data} />
+        </div>
+      {:else}
+        <div class="sm:p-7 w-full m-auto mt-2 sm:mt-0">
+          <h2
+            class=" flex flex-row items-center text-white text-xl sm:text-2xl font-bold w-fit"
+          >
+            Hottest Contracts
+          </h2>
+          <div class="mt-2">
+            <Infobox text="No data is available" />
+          </div>
+        </div>
+      {/if}
+    </div>
+  </div>
+</section>
+
+<style>
+  .app {
+    height: 400px;
+    width: 100%;
+  }
+
+  @media (max-width: 560px) {
+    .app {
+      width: 100%;
+      height: 300px;
+    }
+  }
+
+  .chart {
+    width: 100%;
+  }
+</style>