Nicknames including ‘monkey’ and ‘peewee’, fines for chewing gum, and a leg on the red sofa are a number of quirks you may not know about the 136-year-old London Metal Exchange.

The LME opened its doors to a group of journalists this week for a training session on how the exchange operates. Among the talk of futures, forwards and options, some important important nuggets emerged that deserve more exploration.