News, Signals and Discovery
News as rows, sentiment as model output, indicators computed server-side, and the screener and search endpoints that answer "which instrument do I even mean?" — with the traps in each.
Start here
What does a news story look like once it becomes a row?
Start the first lessonUnit 1 News as Structured Data
- What does a news story look like once it becomes a row?
- Do you ask for news by symbol, or by topic?
- Why does the same story arrive five times?
- Which field decides whether your study is honest?
Practice Check · Unit 1 A short check · cannot be failed Start
Unit 2 Sentiment, and What a Score Is Not
- Where does a sentiment number actually come from?
- What does a daily sentiment score of 0.73 actually mean?
- Which words are carrying the coverage?
- Can a sentiment score tell you what happens next?
Practice Check · Unit 2 A short check · cannot be failed Start
Unit 3 Indicators Without the Arithmetic
- Why ask a server for a moving average you could compute yourself?
- The same indicator, two different answers — which is right?
- Why is a moving average across a stock split simply wrong?
- Where do published support and resistance levels come from?
Practice Check · Unit 3 A short check · cannot be failed Start
Unit 4 Finding Things
- How do you ask which instruments satisfy a set of conditions?
- Your user typed Apple. Which row do you actually want?
- Why does the same API key return 403 on some paths?
- News, signals and discovery — course checkpoint
Practice Check · Unit 4 A short check · cannot be failed Start
Last Course exam
One exam, the whole course Unlocks when you have read all 16 lessons
Passing it earns the course certificate. It also counts toward the Builder track (course 7 of 13): pass every course exam in a track to earn its track certificate.