As of January 2015, one place consumers can find the price of copper is NASDAQ, and another is Investment Mine. NASDAQ states that its quote is based on end-of-day commodity futures, and it is focused on high-grade copper. Consumers can also change the time frame reported to view past quotes.
Consumers have the option to see the prices for copper over different time ranges based on the prior day, according to Investment Mine. Price options include the current price, the one-week price, the one-month price, the six-month price, the one-year price and the five-year price. Historical data is also available.