Methodology

Briefings surface markets with high information headroom and credible activity.

Signals

• Information headroom: entropy change in the order book (bits).
• Briefing score: composite of headroom, activity, and recency.
• Activity: trade stats or liquidity-adjusted volume, depending on availability.

Scope

• Date-scoped pages live under /briefings/<YYYY-MM-DD>/.
• /briefings/latest/ resolves at request-time using briefings/dates.json.
• Optional datasets may be absent on low-signal days; pages remain static.

Freshness

• /status/latest.json, /briefings/dates.json, and /meta/build.json are served with Cache-Control: no-store.
• Date pages and assets are immutable once published.

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