Declaring crypto losses in Spain: tax-loss harvesting
How losses work in Spain:
- Losses offset gains from other crypto + other assets in the same year
- Net losses carry forward 4 years
- Tax-loss harvesting (deliberately selling at a loss) is legal
Spain's 2-month rule: If you sell at a loss and repurchase the same crypto within 2 months, the loss is deferred — not immediately deductible.
Strategy: Sell at loss → buy correlated but different asset → after 2 months, return to original if desired.
Koinly and CoinTracking don't implement the Spanish 2-month rule. kointax does, and alerts you if a repurchase might invalidate a declared loss.