What if you'd just held?
Free bitcoin calculators that use real past prices. No sign-up, no ads, and nothing you type leaves your browser.
📜 Read the Bitcoin whitepaper · Satoshi Nakamoto's 2008 paper in full, with print and PDF download.
Loading live blocks…
Loading chart…
Full chart with all history and halvings
Bitcoin market stats
Market cap
$1.57T#1
60.0% of all crypto market cap
Volume
$55.6B
24h, all exchanges CoinGecko tracks
24h range
70%
$77,370 low to $78,134 high
Buy activity
37%
Taker buys, last 1000 Coinbase BTC-USD trades
Sources: CoinGecko (cap, volume, range) and Coinbase Exchange public trades (buys). Saved 18:22 UTC.
Bitcoin halving countdown
Loading…
Past halvings
| Halving | Block | Reward after | BTC price that day |
|---|
Famous what-ifs
$100 on some well-known days, worth today. Dates and prices come from our saved daily closes each time the page loads. Tap one to open it in the calculator.
Loading…
Calculators
If I'd held
What would your bitcoin be worth today if you'd never sold? Pick a date and an amount.
Hold vs. trade
Compare your buys and sells with just holding, trading fees included.
DCA vs. lump sum
Buying a set amount every week or month vs. putting it all in at once, on real past prices.
Sats tracker
Your stack in sats, what it's worth now and your average cost. Saved only in your browser.
Sats converter
Convert sats, BTC and US dollars at today's price, and see how many sats a dollar buys.
Price on any date
Bitcoin's closing price on any day since July 2010, and how it compares with today.
Halving countdown
Blocks left until the next bitcoin halving, plus the price on each past halving day.
Drawdowns & recoveries
Every big bitcoin price drop since 2010: how far it fell and how long it took to get back.
More live charts: compare BTC with other coins, today's obituary and the bitcoin indicators →
Track your real trades
If you trade as well as hold, Daily Edge is a free trading journal that runs in your browser. It shows what each trade made after fees, and the fee calculator shows what a round trip costs before you place it.
Daily Edge Pro ($9 once, paid by card or bitcoin) adds full journal history and stats such as profit factor and max drawdown. Compare plans.
Here lies bitcoin. Allegedly.
Declared dead 143 times (and counting)
Oct 30, 2026: bitcoin fell to about $76,400, a six-week low, after Binance said about $6.3B was taken in a security breach. It's been declared dead 143 times before; here's how each one aged. Source: CoinDesk
Still trading at
Bitcoin Is Evil
The New York Times (Paul Krugman), Dec 28, 2013Warren Buffett says bitcoin is ‘probably rat poison squared’
CNBC, May 5, 2018Jamie Dimon says if you’re ‘stupid’ enough to buy bitcoin, you’ll pay the price one day
CNBC, Oct 13, 2017
143 obituaries we checked against the original article or an archive copy. Prices are past data, not predictions.