COMEX copper front-month futures.
| Unit | USD |
|---|---|
| troy oz | 0.44626 |
| gram | 0.014348 |
| kg | 14.35 |
| oz | 0.40675 |
| lb | 6.51 |
| metric ton | 14,347.68 |
| short ton | 13,016.00 |
curl "https://metalapi.com/api/v1/latest?api_key=YOUR_API_KEY&base=USD¤cies=XCU&unit=gram"{
"success": true,
"base": "USD",
"rates": {
"XCU": 69.6976598,
"USDXCU": 0.01434768402
}
}The API returns metals per troy ounce by default; Copper is shown here per lb (14.5833 troy oz).