const SYMBOLS = ["RELIANCE"];
let symbolMap = {}, currentRow = 2;
// 1. Listen to real-time 1-min OHLCV bars
TD.on("bar1min", async (data) => {
const symName = symbolMap[data[0]] || data[0];
await TD.Sheet.setCellRange("A" + currentRow, [
symName, data[1], parseFloat(data[2]), parseFloat(data[5])
]);
currentRow++;
});
// 2. Start hook - subscribe symbols & write headers
TD.onStart = async () => {
await TD.Sheet.setCellRange("A1", ["Symbol", "Time", "Open", "Close"]);
const res = await TD.Feed.addSymbols(SYMBOLS);
if (res.success) symbolMap[res.symbollist[0][1]] = res.symbollist[0][0];
};
// 3. Stop hook - Clean up subscriptions
TD.onStop = async () => await TD.Feed.removeSymbols(SYMBOLS);
const SYMBOL = "NIFTY"; // Mapped index display name
const EXPIRY = "07-07-2026";
TD.onStart = async () => {
// One-shot fetch option chain with live Greeks
const data = await TD.OptionChain.getOptionChainWithGreeks({
symbol: SYMBOL,
expiry: EXPIRY
});
if (data.records && data.records.length > 0) {
for (let i = 0; i < data.records.length; i++) {
await TD.Sheet.setCellRange("A" + (i + 1), data.records[i]);
}
TD.log("Option Chain with Greeks successfully loaded!");
}
};
const SYMBOLS = ["NIFTY 50", "RELIANCE"];
// Listen to live tick stream
TD.on("tick", (data) => {
const ltp = parseFloat(data[2]);
TD.log("LTP Update: " + ltp);
});
TD.onStart = async () => {
await TD.Feed.addSymbols(SYMBOLS);
};
TD.onStop = async () => {
await TD.Feed.removeSymbols(SYMBOLS);
};
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