Alpha stocks

Classifications used by the London Stock Exchange ( (LSE) based on how actively the shares were dealt in. Alpha stocks were usually those of large companies whose shares were dealt in most frequently (most of these shares relate to blue chip ( companies), while Beta and Gamma shares were usually those of smaller companies whose shares were less actively traded. This classification system has now been replaced with the Normal Market Size (NMS) classification system (

For further information, see the LSE website (

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