Introduction

Pulsar is an open-source market intelligence platform that aggregates real-time financial data from multiple sources into a single, customizable interface.

What is Pulsar?

Pulsar brings together:

• US Stock Market data from Alpaca (NYSE, NASDAQ, Cboe, IEX)
• Turkish Currency & Gold prices from 38+ banks via doviz.com
• Cryptocurrency prices from Binance
• Company Financials from Finnhub (earnings, analyst ratings, quality scores)

All data streams in real-time via WebSocket connections and is displayed through a modern, dark-themed interface built with Next.js.

Key Features

Feature	Description
Dashboard	Market overview with sector indices, movers, trending stocks, and news
Stocks	Individual stock pages with candlestick charts and key statistics
Currencies	Turkish gold, silver, and forex prices with bank comparison
Crypto	Real-time cryptocurrency prices with 24h change data
Portfolio	Track holdings with live P&L across all asset types
Watchlist	Monitor favorite assets with real-time price updates
Heatmap	Sector performance visualization with custom heatmaps
Terminal	Drag-and-drop workspace with 8 widget types across 3 pages
Financials	Earnings calendar, analyst recommendations, and quality scores

Tech Stack

Backend       Python, FastAPI, MongoDB, Redis, WebSockets
Frontend      Next.js 16, React 19, TypeScript, Tailwind CSS, Zustand
Charts        Lightweight Charts (TradingView)
Fonts         Space Grotesk (body) + Space Mono (headings, data)
Deployment    Vercel (frontend) + Coolify (backend) + Cloudflare (DNS, R2)

Data Sources

Provider	Data	Protocol
Alpaca	US stocks, ETFs (SIP feed)	REST + WebSocket
Binance	Cryptocurrency prices	REST + WebSocket
doviz.com	Turkish gold, silver, currencies, bank rates	WebSocket
Finnhub	Earnings, analyst ratings, financial metrics	REST