How the DGT's position has evolved
Current position
The capital gain or loss is determined by the difference between the acquisition value and the net asset value applicable on the date of the transfer. For funds in foreign currency, the exchange rate of the acquisition date and the reimbursement date must be used to convert the values into euros. Shares of different classes within the same sub-fund are not considered homogeneous securities if their management fees affect the net asset value, which prevents the application of the FIFO criterion between them.
The DGT's position remains stable regarding the definition of capital gains through the difference between the acquisition value and the net asset value. The doctrine has progressively refined technical aspects such as foreign currency conversion and the homogeneity of shares. The latest ruling establishes that the difference in management fees prevents treating different classes of shares as homogeneous securities.
Turning points
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Specifies that for funds in a currency other than the euro, the gain is determined by comparing the acquisition and reimbursement values converted into euros using their respective exchange rates.
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Establishes that shares of different classes are not homogeneous securities if management fees affect the net asset value, prohibiting the use of the FIFO criterion between them.
Analysis based on 13 of 13 rulings with a stated position. Updated 26 September 2026.