Field notes
Spec sheets, parts manifests, and after-action reports from building with $0 of tooling.
2026-09-29
Review prompts after the first saved screener or watchlist
Ask for ratings when someone saves work — the free-tool equivalent of a successful trade.
2026-09-29
Free Options Greeks Calculators: A Field Spec Sheet
Black-Scholes toys, chain overlays, and what a surplus desk actually needs before trusting a Greek number.
2026-09-29
How to Compare Free Market Data APIs
A checklist for rate limits, freshness, coverage, and licensing before choosing a data source.
2026-09-29
Rocket Money / Copilot adjacency: what free market tools should steal
Calm empty states and honest upgrade walls beat neon scanner cosplay.
2026-09-28
Rating velocity on free finance apps after creator spikes
Free apps feel review spikes harder — triage without killing the roadmap.
2026-09-28
Micron-week keywords for free screeners and calendars
Honest keyword banks for indie finance utilities around the Sep 30 Micron print.
2026-09-27
Paper trading in the free index: why Stock Picks is the reference unit
How we tag Stock Picks inside the free market tools index.
2026-09-26
Prop-firm apps climbing charts vs free tooling stacks
Why evaluation apps spike downloads — and how free stacks still win for learning.
2026-09-26
An Open-Source Backtesting Stack for $0
Data, indicators, a vectorized engine, and walk-forward discipline — the surplus parts list for testing ideas without a Bloomberg.
2026-09-25
Automating promo screens for free tools during earnings week
Refresh store screens when CCL, KMX, MU, NKE, and ACN hit the calendar.
2026-09-24
Previewing indie market tools for App Review without hype frames
Screenshot and metadata hygiene for free/open-source-adjacent market utilities.
2026-09-23
Webull vs Robinhood vs Fidelity — free-tier map for tool scavengers
What you can still do for $0 on three major mobile brokers before you pay for data.
2026-09-22
Sep 29 free/finance charts: TradingView loud, Webull ~#20 — field notes
Field-manual notes on App Store finance grossing vs free tools you can actually use without a paywall.
2026-09-22
Build a Screener With $0 of Tooling
Free data + open-source charting + a spreadsheet brain. Full parts manifest inside.