An index of the medium-sized shares listed on the LSE’s main market. These are the 250 largest shares outside the top 100, so for shares with capitalizations ranked 101 to 350.
Other Trading Basics
Backwardation occurs when a bid price exceeds the ask price.
This usually occurs when stock is suspended or under a share repurchase scheme.
It can also mean that a futures contract will trade at a higher price when it is coming close to expiring.
The opposite of backwardation is known as contango.