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  1. Home
  2. /Glossary
  3. /Cost Basis
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Cost Basis

The original price you paid for an asset, including fees.

Definition

The original price you paid for an asset, including fees. Your cost basis determines your taxable gain or loss when you sell. If you bought Bitcoin at $30,000 and sell at $50,000, your cost basis is $30,000 and your taxable gain is $20,000. Multiple purchases create multiple cost basis lots.

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Related Terms

Realized PnL

The actual profit or loss from a trade after you've closed the position.

Dollar Cost Averaging (DCA)

Investing a fixed amount at regular intervals regardless of price.

ROI (Return on Investment)

The percentage gain or loss on an investment relative to its cost.

Accumulation Phase

A period when smart money quietly buys up an asset before a major price move.

Annualized Return

The average yearly return on an investment, calculated to account for compounding.

Arbitrage

Profiting from price differences of the same asset across different markets.

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