Portfolio Tracker — Trading Dashboard & Charting

Overview#

A trading dashboard that pairs professional-grade charting with portfolio tracking in one interface. Traders monitor open positions, realised and unrealised P&L, and the instruments they are watching, without switching between a charting tool and a spreadsheet.

The interesting constraint in this kind of product is not the features, it is the update rate. A dashboard showing a dozen instruments with live prices, each feeding P&L calculations and a chart, will re-render itself into unusability if the state layer is naive. Most of the engineering here is in making sure it does not.

Charting Integration#

The application embeds the TradingView Charting Library, which gives traders the toolset they already know rather than a simplified in-house chart they have to learn:

• Multiple timeframes — 1m, 5m, 15m, 1h, 4h, 1D, 1W
• The full indicator and drawing toolset, over 100 indicators plus annotation tools
• Chart type switching — candlestick, line, bar — with customisable layouts
• Live data streaming into the chart for accurate intraday price action
• Custom studies for instrument-specific analysis

Integrating this library properly is most of the work: it expects a datafeed conforming to its own interface, so the application implements that adapter over the market data source, including symbol resolution, historical bar requests, and subscription management for real-time updates.