Trading guides
From "what is a limit order"
From "what is a limit order"
to "building a market-maker"
Long-form tutorials with worked examples. Ordered by difficulty — start at the top, jump to whatever section matters to you.
Beginner
Reading a depth chart and order book
Bid / ask spreads, walls, and what the shape of the book tells you about short-term price direction.
AdvancedBacktesting strategies on historical tick data
Where to get the data, how to avoid look-ahead bias, and four metrics that matter more than Sharpe ratio for crypto.