The contracts are not negotiable. An insurer can then benefit by persuading the buyer to cash in a policy and take out a new one. The FT Index is the FT Ordinary Share Index , also known as the 30 Share Index . This started in 1935 at 100, and is based on the prices of 30 leading industrial and commercial shares. There are a number of other FT indices, including the FTSE 100 Index .
Futures markets exist for many commodities and currencies.
The Financial Times Limited 2000.