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Copper through a copper futures fund

Changed on

Copper through a copper futures fund. CPER's share price and the World Bank's monthly average LME copper price per metric ton, speculators' net position in COMEX copper futures (CFTC), and the dollar and gold funds beside it, each with its measured relationship to CPER. Commodity market data for research agents. Alias for GET /api/context?briefing=commodities.copper. Paid per request over x402 or MPP with no API key, or read with a key on the Basic plan or above.

get/api/commodities/copper

Request

  • Base URL
    https://api.prereason.com
  • Auth
    HTTP bearer

Query parameters

format'json' | 'markdown'

Response format (json or markdown). Default is markdown.

datestring

A past date, YYYY-MM-DD: the briefing as of the end of that day (UTC; a company's numbers at the end of the day in its own market), for the periods released by then. Each figure says when it was public, or that it may be a later revision PreReason holds in its place. For a period's latest figures, including later corrections, leave date out. Tier-gated access.

Response

commodities.copper data

Changes