https://tushar-c23.github.io/tags/caching/Recent content in Caching on Tushar ChoudharyHugoen-usFri, 23 Oct 2026 10:00:00 +0530https://tushar-c23.github.io/posts/no-candles-stored/Fri, 23 Oct 2026 10:00:00 +0530https://tushar-c23.github.io/posts/no-candles-stored/<p>We recently upgraded the user experience on our brokerage platform by introducing a pro charting mode: candlestick charts for all US stocks, ETFs and options. It supports every granularity, from 1-second bars up to monthly, with history going back to 2003. It also has to page backwards smoothly as you scroll. (Live updates to the current candle arrive over a separate streaming path, which isn&rsquo;t covered here. This post is about history.)</p>