How I Saved a Client’s Trading Dashboard with Just 20 Lines of Code A fellow developer in the finance advisory space was asked to build a silver price alert system. The initial version used REST requests every second, but during high volatility, the delay was so bad the alerts fired after the move was over. After a quick pivot to WebSockets, the dashboard became truly real‑time — and the whole integration took under five minutes. Here’s how you can do the same. Why Polling Feels Like Driving with the Brakes On REST calls are great for most things, but for streaming price data they impose a minimum latency equal to your polling interval plus network round‑trip. For silver, a market that can see multiple ticks per second, polling turns a continuous process into a stuttered slideshow. Beyond the stale data, excessive requests can also get you throttled by the API provider. The Better Way: A Persistent WebSocket Connection WebSocket is a two‑way, long‑living connection that pushes data the moment it’s available.…