Guides for people who track the market
Short, specific write-ups on the mechanics of following stocks — alerts, watchlists, and how the apps actually differ. No hot takes, no tips, no investment advice.
·8 min read
Why stock price alerts fail when your app is closed
The alert was set correctly and the notification still never came. The reason is structural, and it comes down to one question: which computer was supposed to check the price?
Read it·10 min read
How to read an SEC Form 4 filing
Almost all of a Form 4's meaning sits in one letter. Get it wrong and a routine tax withholding reads as an executive dumping stock. Here is every code, transcribed from the SEC's own form.
Read it·11 min read
When companies report earnings, and why the calendar looks the way it does
Why does nobody report a fourth quarter? Why do after-the-bell releases start at 4:05pm rather than 4:00? Both answers are in the rulebooks, and neither is a market convention.
Read it·8 min read
Shipping OneSignal push in a Kotlin Multiplatform app
The SDK calls are two lines. The two lines were never the work — here is what was, including a FIREBASE_FCM_INIT_ERROR that kept the build green and killed push on every Android device.
Read it·14 min read
The best congress stock trackers in 2026
Every list ranking for this term puts its own product first without saying so, and prints prices with no date. Nine trackers, a stated methodology, and four prices we could not verify — said out loud.
Read it·8 min read
The STOCK Act's 45-day rule, and how late congress actually files
Everyone quotes the rule as '45 days'. The statute sets a two-part test, and the difference decides whether a given filing was late at all.
Read it·8 min read
How to track congress stock trades (2026)
The filings are free and public, and almost nobody reads them — because the portals are miserable. Here is what is in a disclosure, what is missing, and the three ways to follow them.
Read it·6 min read
How to set stock price alerts that you will actually act on
Most alerts fail for one reason: they fire on noise. Here is how to pick the trigger type, the threshold, and the number of alerts you can actually live with.
Read it·7 min read
The best stock alert apps in 2026
Nearly every finance app claims alerts. The real differences are trigger types, free-tier limits, and whether alerts fire when the app is closed. Six apps, compared honestly.
Read it