Call cc.traditional_markets — Live quotes for S&P 500, Nasdaq, Dow, VIX, Gold, Oil, US Bonds, DXY, and major forex pairs. 15-min cache. Purpose: Live quotes for S&P 500, Nasdaq, Dow, VIX, Gold, Oil, US Bonds, DXY, and major forex pairs. 15-min cache. Behavior: READ-ONLY. Does not place orders, move funds, or mutate your exchange account. Responses may be cached (~900s). Auth: X-Api-Key or x402 payment proof (X-PAYMENT / __x_payment). Anonymous unauthenticated calls receive HTTP 402 with payment accepts. Cost: $0.001 USDC per successful call (x402 Base USDC pay-per-use or prepaid X-Api-Key balance). Linked Connect keys are free. This is billing, not a side effect. Rate limit: 60/min (per API key). Tier: standard. Returns: Multi-category quotes: indices, metals, energy, bonds, forex with price and change percentages. Guidelines: Use for research / signal context. Pair with cc.agent_strategy (paper) before any live order. Do not invent fills from this data alone. Tags: tradfi, spx, nasdaq, gold, dxy, vix, correlation.