The level within many commodity, futures, and options markets are allowed to rise or fall in a day. Exchanges usually impose a daily price limit on each contract. Found on http://www.duke.edu/~charvey/Classes/wpg/bfglosd.htm
The maximum price, increase/decrease, permitted from the previous day's settlement price. There are no such limits on the LME.
Found on http://www.lme.co.uk/glossary.html
The maximum price advance or decline permitted for a futures contract in one trading session compared to the previous day's settlement price. Found on https://www.encyclo.co.uk/local/22800