The following chart shows the performance of the FTSE 100 Index so far in 2013 in Bitcoins. In other words, it shows the returns a Bitcoin invester would have seen  investing in the UK market.

The FTSE 100 started 2013 at 6107, for a Bitcoin investor the effective FTSE 100 value by 12 April 2013 would be 1055.

NB. The situation is changing fast. When we started creating the above chart the Bitcoin price was 86USD, 15 minutes later it was at 77USD.