Public engineering series
Inside Ticker Watch.
A technical series about building useful market research while collecting less investor data. We publish the architecture decisions, trade-offs, privacy boundaries, and implementation patterns behind Ticker Watch instead of hiding them behind a product screenshot.
Why a Stock Watchlist Doesn’t Need to Live on Our Server
How Ticker Watch separates a user’s private preference state from the selected public ticker needed for a market-research request.
Read article → 02 · Local-first memoryBuilding Encrypted “Since I Last Checked” Research Memory
How a device-local AES-GCM checkpoint turns repeated market checking into a delta without creating a readable server-side research diary.
Read article → 03 · ExplainabilityNews Direction Is Not Price Prediction
Why evidence, news direction, event significance, and source provenance are separate concepts—and why the product deliberately avoids collapsing them into one opaque score.
Read article → 04 · Browser audioBuilding Research Radio in the Browser
How Ticker Watch converts already-rendered market evidence into 3, 5, and 10-minute listening formats without sending a portfolio to a new audio service.
Read article →What the series optimizes for