Cognitive Trader · v0.9.4 · Private beta
Building in public

An algorithmic trader
with a memory.

A local-first algorithmic agent that learns from every position it closes — running on your own hardware, signing trades with keys that never leave the machine.

Figure 1. Live cycle output, sanitized ~/cognitive-trader
cycle 4218 — local
Bring your own API keys
Runs offline · Logs stay local
Flat $129/yr · No success fee
14-day trial
Not for beginners — know your risk
§01 — Architecture

Why this isn't just another trading bot.

Most "AI trading bots" are a webhook and a prompt. Cognitive Trader is a full agentic architecture — built so the LLM never decides direction, only learns from outcomes.

01 Gate

Two-Key gate

No trade fires unless an active trading_goal AND a fresh market_direction signal both confirm. Prompt-side AND Go-side enforcement — defense in depth.

02 Memory

Dual-wire memory

W1 extracts structured facts after every closed trade. W2 retrieves the 5 most-similar past trades into the next decision (pgvector). The bot remembers, not just trades.

03 Regime

Regime classifier

ADX + volatility tags every cycle as TRENDING / RANGING / UNKNOWN. Momentum entries can be gated by regime so the bot pauses in chop instead of bleeding.

04 Killswitch

MDD killswitch

Hard 24h drawdown threshold (default −$500). Breach → lockdown, no new opens until reset. Not a stop-loss — a wallet-level circuit breaker.

05 Direction

Rules engine decides, LLM judges

The LLM never picks direction. sign(24h_change_pct) on the strongest mover does. The LLM reads past trades as context and vetoes — that's all. Transparent and auditable.

06 Table stakes

Self-hosted, your keys

Yes — you also own the keys and the box. But this is table stakes, not the moat. It's listed last on purpose.

// supporting evidence · BYO-keys
  Typical "AI trading" SaaS Cognitive Trader
Custody Custodied or "read + trade" delegated. Your keys. Never leave your machine.
Inference cost Their cloud, per-call pricing. Local LLM via Ollama (optional). SearXNG for news. Zero spend.
Decision logic Black box. Strategy is "trust us." Rules-engine direction. Source-readable supporting stack.
Fees % of AUM or % of P&L. Flat $129/yr early-adopter. No skim.
§02 — Honest framing

What this system actually is (and isn't).

There is a lot of dishonest marketing in algo trading. We'd rather lose the sale than oversell. Here's the straight version.

It is— affirmative
  • A local-first agent that runs the same loop forever: scan, decide, execute, reflect, remember.
  • A memory layer that turns every closed position into a labelled lesson the next cycle can read.
  • Disciplined risk: hard stops, position sizing, regime-aware throttling — all configurable.
  • A serious tool for traders who already understand what they're doing and want their process automated.
It is not— negation
  • ×A money printer. There is no guaranteed edge and we will not pretend otherwise.
  • ×A signal service. You don't subscribe to calls — the agent decides and acts on your venue.
  • ×A black-box LLM trading hype machine. The model is a small piece. Most of the system is plain code.
  • ×Appropriate for someone still learning what a stop-loss is. Sit this one out.
§03 — The memory loop

Why this is different.

Most bots forget. Every cycle starts from zero — same indicators, same heuristics, same mistakes.

Cognitive Trader writes a short lesson at the end of every closed position: what the regime looked like, what the agent thought, what actually happened. Those lessons are indexed and fed back as context on the next decision. The bot doesn't just trade — it builds an internal book of what worked here last time.

This is the layer worth paying for.

Figure 2. Lesson entry, post-trade (inferred) memory/lesson_2842.md
symbolETHUSDT
sideSHORT
entry / exit3,182.40 → 3,247.10
pnl−0.81 R
regimeRANGING (ADX 14.2)
thesislower-high break, news beta neg

Shorted ETHUSDT into a ranging regime on a "break of structure" that wasn't. ADX was below 18 the whole session. Don't trade trend-continuation logic when the classifier flags RANGING — wait for ADX > 22 or sit out. Next time this pattern shows in RANGING, skip.

§05 — What ships

What's in the box.

Three things: the binary that does the work, the supporting stack it talks to, and the parts you bring yourself.

01 / Core binary
The agent itself
  • Main loop: scan → decide → execute → reflect → write to memory.
  • Risk engine: hard stops, position sizing, per-symbol exposure caps.
  • Regime awareness: ADX + volatility classifier tags every cycle as TRENDING / RANGING / UNKNOWN.
  • Memory writer: turns closed positions into indexed lessons.
  • Local dashboard at localhost:7878.
02 / Supporting stack
What it runs with
  • Local vector store for the memory layer (SQLite + FAISS).
  • SearXNG (self-hosted news search — zero API costs).
  • Optional small local LLM via Ollama for offline reasoning.
  • Postgres or SQLite for the trade journal.
  • Prometheus-compatible metrics endpoint.
03 / What you provide
Bring your own
  • Exchange / broker API keys (Binance, Bybit, IBKR, etc.).
  • A machine — your laptop is fine; a NUC is better.
  • Optional: OpenAI / Anthropic key for hosted models. Local-only also fine.
  • Risk parameters, written into a config file.
  • Your own judgement about when to pause it.
§05b — Recent builds

Building in public.

Every backtest run, every verdict, shipped transparently. Full details on the backtest page.

Run Verdict Net P&L Sharpe Trades
§06 — Pricing

Buy in early. Or wait.

Early-adopter pricing — while we're still finding the bugs. Price goes up at 1.0.

Early Adopter · Building in public

Buy now. Build with us.

$129 / YEAR $199
  • Lifetime access at $129/yr — never re-priced for you
  • Private Discord with the maintainers · direct line to dev
  • Vote on the next strategy module
  • Every weekly build, every honest bug post, in your inbox
  • 14-day refund, no questions
Claim early-adopter price Buy now — $129/yr

Locks in $129/yr as long as you keep your subscription active. You're buying a seat on the build, not a finished product.

Software is provided as-is. You are responsible for your trades. Numbers above are hypothetical performance examples, not forecasts. Not financial advice.

§07 — FAQ

Questions we get asked.

Replace these four entries with the FAQ verbatim from the one-pager.

Talk to us first.

We're building in public. The Discord is where the work happens — strategy notes, regime-classifier tweaks, beta drops. Email comes later, once there's something to send.

C
Cognitive Trader 1,247 online · 4,892 members
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