The Steam Community Market shows a price chart and nothing else. dota-deals shows why an item is a good buy right now — not by predicting prices, but by surfacing four statistical conditions that historically precede appreciation in cosmetic markets.

Each item is scored on price relative to its own 90-day baseline, listing supply trajectory, proximity to recurring Dota events, and price relative to same-category peers. Every score exposes its four component signals inline so you can disagree intelligently with the composite.

A useful score needs context. price_zscore needs 30 days of daily price history to define a baseline; supply_velocity needs 14 days of listing observations. Without that history, the math is statistically meaningless — the responsible thing is to wait.

So that’s what this page is. The pipeline is running, observations are accumulating, and on day 30 the first composite scores publish. Until then, you’re watching the warmup honestly — not a fake demo dressed up as production data.