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The Bitcoin price shown above is a volume-weighted average across major spot exchanges, sourced from CoinGecko and refreshed continuously throughout the trading day. Cryptocurrency markets trade twenty-four hours a day, seven days a week — there is no opening or closing bell — so the 24-hour change figure is a rolling window measured against the price exactly one day prior, not against a fixed daily close. The 7-day and 30-day percentage moves use the same rolling-window methodology, which means the figures shift continuously rather than resetting at midnight.

Market capitalisation for Bitcoin is calculated by multiplying the current price by the circulating supply — the number of BTC units currently in public hands and not locked, burned, or reserved by the protocol. This differs from total supply (all units that have ever been created) and max supply (the protocol-defined cap, where one exists). For assets with significant locked or vesting allocations, fully diluted valuation can be a more useful long-term measure than market cap alone. The 24-hour trading volume figure aggregates spot trading across reporting exchanges and excludes derivatives and over-the-counter activity, which can be substantially larger for major assets.

All-time high (ATH) figures reflect the peak USD price ever recorded for Bitcoin on a major exchange. The ATH change percentage shows how far the current price sits below — or above — that peak, and is one of several inputs the CoinHours Market Cycle Indicator uses when assessing where the broader market sits in its four-year halving cycle. For longer-term investors, ATH drawdown combined with 200-week moving average position and the Fear & Greed Index gives a clearer cycle picture than any single metric in isolation.

In Australia, the Australian Taxation Office (ATO) treats Bitcoin and other cryptocurrencies as capital gains tax (CGT) assets rather than as currency. Every disposal — selling for AUD, swapping for another crypto, spending on goods or services, or gifting — is a CGT event that must be reported in your tax return. Holding BTC for more than twelve months before disposing of it qualifies you for the 50% individual CGT discount, which is one of the most significant tax planning levers for long-term holders. See the crypto tax encyclopedia entry for a full breakdown of ATO record-keeping requirements, cost-base calculation methods, and the tax treatment of staking rewards, airdrops, and DeFi income.

Australian investors typically buy Bitcoin through a registered exchange that complies with AUSTRAC anti-money-laundering requirements. Once acquired, holdings can be left on the exchange (counterparty risk), moved to a software wallet (convenience with online attack surface), or transferred to a hardware wallet for cold-storage self-custody (highest security, least convenient). The CoinHours security guide walks through the trade-offs in detail, including seed-phrase storage, multi-signature setups, and inheritance planning. For background on the underlying technology, the Crypto Encyclopedia covers blockchain fundamentals, consensus mechanisms, and the Bitcoin protocol in plain English.