FTSE 100 calulation

[singh2jatt]

Hi i was manully trying to calulate the value of the FTSE 100.

can some provide me with the formula as the current one i am using gives me a figure of 4,508 and the actual is 4,228.

I am using the compaines from the following link.

Index Prices - FTSE 100 Index Share Prices, Companies & History | Prices | Hemscott

 

[tomorton]

Why were you doing this?

 

[singh2jatt]

Why were you doing this?

i was doing this improve my knowledge of the FTSE 100, and fully understand for my self how this index works

 

[SuddenDeath]

Did u use the "free float adjustment"

Hi i was manully trying to calulate the value of the FTSE 100.

can some provide me with the formula as the current one i am using gives me a figure of 4,508 and the actual is 4,228.

I am using the compaines from the following link.

Index Prices - FTSE 100 Index Share Prices, Companies & History | Prices | Hemscott

I think they bought in a free float adjustment few years back.

 

[singh2jatt]

free float adjustment ? could you pls explian more on this?

 

[SuddenDeath]

I found this info on the FTSE company website

free float adjustment ? could you pls explian more on this?

from the FTSE "the index company" website,

Free float restrictions include:
Trade investments in an index constituent either by another constituent (i.e. cross-holdings) or non-constituent company or entity
Significant long term holdings by founders, their families and/or directors
Employee share schemes (if restricted)
Government holdings
Portfolio investments subject to a lock in clause, for the duration of that clause


from this link
Index Rules - Free Float

thanks