public void AddHistoricalQuote(string ticker, DateTime date, double open, double high, double low, double close, long volume)
dynamic stock = ab.Document.Stocks(ticker); // Clear existing quotes for this ticker if needed stock.Quotes.Clear(); // Import ASCII file matching AmiBroker format ab.Document.Import("ASCII", filePath);
dynamic stock = ab.Document.Stocks(ticker); // Use AddQuote for real‑time tick (intraday) dynamic quote = stock.Quotes.Add(dt); quote.Open = open; quote.High = high; quote.Low = low; quote.Close = close; quote.Volume = volume; amibroker data feeder
public void UpdateRealTime(string ticker, DateTime dt, double open, double high, double low, double close, long volume)
async def binance_feeder(): uri = "wss://stream.binance.com:9443/ws/btcusdt@trade" async with websockets.connect(uri) as ws: while True: msg = await ws.recv() data = json.loads(msg) price = float(data['p']) volume = float(data['q']) dt = datetime.now() stock = ab.Document.Stocks("BTCUSDT") quote = stock.Quotes.Add(dt) quote.Close = price quote.Volume = volume # For OHLC you need to aggregate trades Poll every minute, convert to OHLC, update COM. 7. Performance Considerations | Method | Max updates/sec | Suitable for | |--------|----------------|---------------| | COM single quote | ~50 | 10–20 symbols | | COM batched (100 quotes) | ~500 | 50–100 symbols | | DDE | ~10 | Legacy, not recommended | | Plugin API (C++) | 1000+ | Professional use | public void AddHistoricalQuote(string ticker
dynamic stock = ab.Document.Stocks(ticker); dynamic quote = stock.Quotes.Add(date); quote.Open = open; quote.High = high; quote.Low = low; quote.Close = close; quote.Volume = volume;
public void Connect()
// Start AmiBroker (if not running) Type abType = Type.GetTypeFromProgID("Broker.Application"); ab = Activator.CreateInstance(abType); ab.Visible = true; // Simulate real‑time feed var rnd = new Random(); for (int i = 0; i < 100; i++) double price = 100 + rnd.NextDouble(); DateTime now = DateTime.Now; dynamic stock = ab.Document.Stocks("TEST"); dynamic quote = stock.Quotes.Add(now); quote.Close = price; quote.Volume = 1000; Thread.Sleep(100); // 10 updates/sec