LELi emilyinemily19980210.hashnode.dev·5d ago · 5 min readUS Stock Data API Compared: Futu API vs. AllTick WebSocket for Real-Time Market FeedsIf you’ve ever built a personal market monitor or a lightweight quant tool, you know that the reliability of your “US stock data API” can make or break the whole project. I learned this the hard way w00
LELi emilyinemily19980210.hashnode.dev·Sep 2 · 8 min readHandling Time Boundaries in Real-Time Hong Kong Stock API Data: A Developer’s Field GuideIf you have ever built a real-time market data pipeline for Hong Kong stocks, you know the pain: WebSocket connections are straightforward, but time is not. Prices, volumes, and timestamps look simple00
LELi emilyinemily19980210.hashnode.dev·Aug 26 · 5 min readBuilding a Reliable Data Validation Layer for Your Hong Kong Stock API Feed: Detecting Silent Gaps and Missing TicksWhen I first started building data-driven content around Hong Kong equities, I assumed that a live WebSocket connection meant a complete data stream. That assumption cost me credibility when a reader 10
LELi emilyinemily19980210.hashnode.dev·Aug 19 · 5 min readBuilding a Caching Layer for Historical K-Lines from a Gold Real-Time APIWhen I first built my gold market analysis system, I treated the gold real-time API as a simple data source: whenever my code needed historical K-lines, it made a request. That worked until I started 10
LELi emilyinemily19980210.hashnode.dev·Aug 5 · 4 min readBuilding a Reliable XAUUSD Tick Pipeline with a Precious Metals API: Our Battle with Daylight Saving TimeWhat happens when your gold trading strategy suddenly breaks in summer It was one of those late-night debugging sessions that every cross-border fintech startup knows too well. Our team had just rolle10
