How to use it
- Use the formula below with your own figures.
The formula
Cost basis = purchase price + fees.
Worked example
Include fees so your gain isn't overstated.
Frequently asked questions
Which method?
FIFO is common; some regions allow others.
Why track it?
Wrong basis means wrong tax.
Tips
- Keep records of every buy, sell and swap.
- Value rewards at the price when received.
- Rules differ by country and change — confirm locally.
Key terms
- Cost basis
- What you paid, including fees.
- Capital gain
- Proceeds minus cost basis.
- Staking
- Earning rewards for securing a network.