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HMRC internal manual

Capital Gains Manual

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HM Revenue & Customs
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Valuation: quoted shares: definition of market value

TCGA92/S272 (3)

This guidance only applies to shares and securities quoted on the Stock Exchange Daily Official List. See CG59514 for guidance on shares and securities quoted on a recognised overseas stock exchange.

The market value of any share or security quoted on the Stock Exchange Daily Official List is usually either

  • the lower of the two quotations on any day plus one quarter of the difference between the values, the `1/4 up value’
  • the mid-point between the highest and lowest prices at which bargains were done on the day except bargains at special prices.

WHICHEVER IS THE LOWER. See the example below.

Bargains done at special prices are clearly shown in the Daily Official List. They should not be included in the comparison of highest and lowest price. In fact bargains at special prices are now very rare.

Example

The first figure represents the prices which market makers are obliged to quote even if no bargains are done on the day. The second figure represents the prices at which shares were actually bought and sold during the day. If no bargains were done on the day for which you need a valuation you use the 1/4 up value. On 31 March 1993 the Daily Official List shows the following details for 25p ordinary shares in Marks & Spencer plc.

Range of Prices quoted 335p - 340p 1/4 up value = 336.25p
         
Range of Bargains done 337p - 341p mid-point = 339p

The market value of Marks & Spencer plc 25p ordinary shares on 31 March 1993 is therefore 336.25p per share.