The largest single trading floor in the world belongs to the financial service firm UBS (formerly known as UBS Warburg) in Stamford, Connecticut, USA and measures 125 m (410 ft) long by 69 m (227 ft) wide which equals an area of 8,625 m (93,070 sq ft). There are 1,400 traders occupying the space sitting alongside 5,000 computers. There are approximately 126,000 daily transactions with an average value of $399 billion (£255 billion).
The trading floor is almost the size of the flight deck of the USS John F. Kennedy, the world's largest aircraft carrier, or 20.5 basketball courts or 44 singles tennis courts.
Comments below may relate to previous holders of this record.