Indicators that say what they mean
Candles down to five seconds, with Trend signal, Volume, Bollinger Bands and RSI. Each one adds a line of plain words, and a Buy, Sell or Wait tag sits beside the newest candle.
Real markets with play money.
Make the kind of trades you'd never dare with your savings and find out whether your instincts hold up, before any of it costs you anything.
No account needed to start. Sign in later to keep yours on every device.
BTC—
Lose moneyfake money until you're good at trading.
A $1,000 course will explain the market to you. Here you trade the real one, live, and every mistake is free.
Three steps, start to finish
A trade takes about ten seconds to open and you can close it the moment you change your mind. The ticket on this page is the real one: try it.
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1
Pick a coin
Hundreds of them: every coin traded on both Binance and Coinbase. The Markets page ranks them by how much each has been swinging lately, most volatile first, so you can go where the action is.
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2
Go Up or Down
Up means you think the price will rise; Down means you think it will fall. Choose how many Sim Dollars to put in and a multiplier, anything from 1x to 1000x. Stop loss and take profit are there if you want them.
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3
Close whenever you like
One trade at a time: while it's open the ticket becomes a card showing what it's making, with one button to close it. Closing locks in the profit or loss, and every closed trade is kept, with how it closed and what it made, so you can look back at your calls.
What you get
A chart you'd recognise from a real exchange, with every reading explained in plain words.
Stop loss, take profit, liquidation
The safety nets drawn on the chart, including the exact price where a leveraged trade gets wiped out.
Trading costs, when you want them
Off, you keep the whole move. On, a win has to beat the fee and the spread first.
// two moving averages; the cross is the signal const quick = sma(closes(), 10); const slow = sma(closes(), 30); plot('Quick 10', quick, { color: '#2bff5e' }); const up = quick.at(-1) > slow.at(-1); say(up ? 'leaning up' : 'leaning down');
Your own indicators Pro
A few lines of JavaScript, drawn on the chart like the built-ins. Moving-average cross, MACD and VWAP come as templates.
| 1 | quietwhale | +41.20% |
| 2 | mara.k | +23.60% |
| 3 | you | +19.05% |
| 4 | scalp_sam | +18.80% |
The leaderboard Pro
How your overall result ranks against everyone else's. Anyone can look; Pro puts your name on it.
←→up or down
Enteropen, or close, the trade
Spaceclose the trade
/all markets
Trade from the keyboard
Fast enough for five-second candles. Fullscreen leaves just the chart and the ticket; on a phone, it all stacks.
Pricing
Practising is free, for as long as you like. Pro adds the tools of a real trading desk.
Free
$0for as long as you like
No card, no account.
- Live prices on hundreds of coinsEvery coin traded on both Binance and Coinbase, with candles down to five seconds
- Every indicatorTrend signal, Volume, Bollinger Bands and RSI
- The safety netsStop loss, take profit and the what-if card
- $1,000 to startBuy more if you run out. Your last 300 trades kept
Most popular
Pro
$20a month
Billed monthly. Cancel any time.
- Everything in Free, plus
- $10,000, every 8 hoursTopped back up whenever you run low. Never buy a pack again
- Your own indicatorsA few lines of JavaScript, drawn on the chart like the built-ins
- Every trade keptYour full history, for as long as you like
- Your name on the leaderboardSee where you rank against everyone else
Want more Sim Dollars?
Every account starts with $1,000. If you want to trade bigger right now, buy a pack from inside the app, on either plan. The bigger the pack, the less each thousand costs: from 80¢ down to 33¢.
Sim Dollars from a pack can't be withdrawn or exchanged, and buying them never counts toward your result or your place on the leaderboard. Buying packs often? Pro tops you back up to $10,000 every 8 hours, for $20 a month.
Questions people ask
Are Sim Dollars real money?
No. Every account starts with $1,000 of play money. You can buy more if you run out, but you can't withdraw them or exchange them for anything, and nothing here pays out. Your result is a score, not a balance.
If I buy Sim Dollars, does that count as profit?
No. Your overall result is measured against everything you've put in: the starting $1,000, anything you've bought, and every Pro top-up. So topping up never moves your result or your place on the leaderboard. Only trades do.
Where do the prices come from?
Live from real crypto exchanges, over a direct connection from your browser, and they update every second. Your trades are recorded in your Sim Street account only; they never reach the exchanges.
Why does the leverage go up to 1000x?
Because without leverage a five-minute trade barely moves, and the point is to feel how it works. With 50x, a 2% move against you wipes out the trade; with 1000x, 0.1% does. Seeing that happen with play money is the lesson.
Do I need an account?
No. You can start trading straight away and your account is saved in your browser. Sign in when you want it on every device, or to go Pro.
Is this financial advice?
No. The Buy and Sell arrows, the indicators and everything else on the chart summarise what the price has already done. None of it predicts anything, and nothing here is a recommendation to trade real money anywhere.
What happens if I cancel Pro?
You go back to the free plan. Your account and your trades stay, including whatever Sim Dollars you have; the 8-hour top-ups and the Pro tools switch off, and closed trades beyond the most recent 300 stop being kept.