Blog

Notes on market data and bots

Product updates, rate-limit engineering, and how the Market Data API fits with the open-source nexrade stack. Written for people who ship trading bots, not for slide decks.

7 notes~22 min total

  1. 5 minPinned

    For first-time bot developers (or anyone who has never been profitable)

    Hard-earned advice from 13 years of trading and 10 years of building bots — edges, TA, AI strategies, Python vs Rust, and why simple EV+ systems beat holy grails.

    bots · advice · trading

  2. 3 minLatest

    Market data is not the edge (but bad data will kill yours)

    Clean feeds, rate limits, and multi-exchange plumbing do not print money — they stop you from lying to yourself while you search for EV+.

    market-data · bots · engineering

  3. 4 min

    Position sizing for bot builders (the part people skip)

    Why “all-in bots” die, how to think about size without fancy math, hard loss limits, and the difference between research size and production size.

    trading · risk · bots

  4. 4 min

    How to know when a strategy is dead (and kill it)

    Edges expire. Here is a practical kill checklist — expectancy after costs, regime change, drawdown rules, and why “one more tweak” is usually denial.

    trading · strategy · risk

  5. 2 min

    nexrade-cache — Redis-compatible cache for trading bots (Windows, no WSL)

    Run a Redis-protocol cache natively on Windows without WSL or Docker. Rust + RESP2/3, and why it is a better fit for local trading bots than shipping a full Redis install.

    nexrade-cache · redis · windows

  6. 2 min

    Rate-limit bypass for multi-exchange bots

    How nexrade_req + the Nexrade API keep public REST traffic under exchange IP ceilings without giving up your trading library.

    engineering · rate-limits · nexrade

  7. 2 min

    Introducing the Nexrade Market Data API

    Proxy-backed public crypto market data — allowlisted domains, plan rate limits, short cache, and how nexrade / nexrade-req fit in.

    product · market-data · api