Build Better
Trading Systems
Learn algorithmic trading, Pine Script, broker APIs, backtesting, quantitative research, and trading automation through practical tutorials and real-world projects.
- 9
- Free calculators
- 6
- Learn tracks
- 100%
- Free to use
- 0
- Signals sold
A platform built like developer docs, not a finance blog
Credible, technical, and honest about risk. Everything is software education and tooling — never advice, signals, or guarantees.
Tools that teach
Nine interactive calculators — position sizing, risk/reward, CAGR, drawdown, expectancy, compounding, brokerage, margin, and an option-payoff visualizer — each with its formula, worked examples, and FAQ. The math is unit-tested.
Structured learning
Documentation-style tracks you work through, not a chronological feed.
Real, tested code
Copy-ready Pine Script, Python, and Node.js — built to run, not just to read.
Pick a track and go deep
Each discipline is color-coded and built as a progressive library.
Pine Script
Indicators, strategies, and TradingView scripting from first principles.
ExplorePython for Traders
Data wrangling, research notebooks, and automation in Python.
ExploreBroker APIs
Connecting to broker REST/WebSocket APIs for order and data flow.
ExploreTradingView Automation
Alerts, webhooks, and bridging TradingView to execution layers.
ExploreBacktesting
Event-driven engines, metrics, and avoiding common pitfalls.
ExploreInfrastructure
Servers, queues, monitoring, and deployment for trading systems.
ExploreInteractive trading calculators
Each is a first-class page with the formula, examples, and FAQ.
Position Size Calculator
Size a position from account risk and stop distance.
Open toolRisk/Reward Ratio Calculator
Compare potential reward to risk and find the break-even win rate.
Open toolCAGR Calculator
Compound annual growth rate between two values over time.
Open toolExpectancy Calculator
Expected value per trade from win rate and average win/loss.
Open toolOption Payoff Calculator
Visualize the expiration payoff of a single option leg.
Open toolNotes, deep dives & updates
From Alert to Execution: A Decoupled Automation Architecture
A pragmatic pattern for turning TradingView alerts into validated, idempotent, observable messages — without coupling ingestion to execution.
ReadFive Backtesting Mistakes That Quietly Inflate Results
Lookahead bias, survivorship, overfitting, ignored costs, and in-sample reporting — the subtle errors that make a backtest look better than reality.
ReadIntroducing FactorQX: Tools for the Engineering Side of Trading
Why we built a developer-docs-style platform for algorithmic trading education and tooling — and the principles behind it.
ReadStart with the fundamentals
Avoiding Lookahead Bias in Backtests
Lookahead bias quietly inflates backtest results. Learn where it sneaks in and concrete techniques to keep your simulations honest.
Read articleGetting Started with Pine Script v5
A practical introduction to Pine Script v5: scripts vs. studies, the execution model, and writing your first indicator on TradingView.
Read articleFetching OHLCV Data with Python
Pull clean historical OHLCV candles in Python, handle pagination and rate limits, and store the result for reproducible research.
Read articleGet new tutorials & tools
Occasional updates when we publish. Education only — never trading signals or recommendations.
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