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Streaming Portfolio Performance Monitor

8.2
fintech profitable added: Thursday January 2026 10:40

A real-time portfolio tracker application designed to handle high user volumes (scaling beyond 10,000 users) by utilizing streaming architectures. The system polls for price updates but uses a streaming back-end to minimize API costs and prevent application slowdowns, focusing on efficient data handling.

220h
mvp estimate
8.2
viability grade
3
views

technology stack

NodeJS Difficult PostgreSQL

inspired by

Why 1-second polling doesn't scale (and the architectures that do)