Commodities are traded 24/7. So at what time should the closing price be registered? Yahoo finance gives different closing prices throughout the day....
They are not traded 24/7. Only cryptos and pure forex are traded 24/7. Go ahead and try to trade some livestock between now and Monday. Go on, try it.
Depends on the contract. Go check what the exchange says about it. There is a quote for LE right now. you can buy or sell 3 with a spread of 0.025
Typical for Overnight to obsess over a minor error and steer it away from your simple question. For CME products follow the link labeled "Settlement Procedures" on the contract Specs page. Crude oil uses VWAP for the last 2 minutes before the old pit close at 2:30 est. https://www.cmegroup.com/confluence/display/EPICSANDBOX/NYMEX+Crude+Oil
I think the closing price is straight forward. The opening price is the one that overnight trading really influenced.