§ The Stack Report · Tools
Cost basis tracker
What you paid, what it’s worth, and the average price of your stack.
Enter each buy as it happened — the date and the amount of fiat you spent. Leave the bitcoin field blank and we’ll fill it from that day’s closing price; or type the exact amount if you have it. Your ledger lives only in this browser. We never see it, and there’s nothing to sign in to.
Add a buy
Leave BTC blank and we’ll fill it from that day’s closing price.
This is information, not advice, and not a tax return. We show a single weighted-average cost basis — the simplest way to think about what your stack cost. Your jurisdiction may require a different method (FIFO, LIFO, or specific-identification of lots) and may treat each disposal differently. Talk to someone who files for a living before you act on a number from a free calculator.