Pump or Dump is a fast, free, browser-based stock market simulator where you ride a live price chart, buy at the bottom, and sell at the top before the market turns. It's built as a tongue-in-cheek lesson in day trading, leverage and greed — you play as Joe, a man whose entire trading strategy is "vibes."
How to play Pump or Dump
- Watch the chart. The price line scrolls continuously and never stops moving.
- Tap BUY when you think the price is near a bottom to open a position.
- Tap SELL to close. Profit is added to your portfolio; a loss costs you a life — and a chunk of your money.
- Read the news. Headlines flash about half a second before the market reacts to them. That tell is your edge.
- Hit the portfolio goal before the timer runs out to advance to the next level.
Margin multiplier — each level multiplies your gains and losses (1×, 2×, 5×… up to 100×). Margin call — when leveraged losses get too deep, your broker force-closes the position. Streak — consecutive winning trades multiply your score, but a 6-win streak attracts an SEC investigation.
What is a pump and dump scheme?
A pump and dump is a classic form of securities fraud. Promoters quietly accumulate a cheap, thinly traded penny stock or crypto token, then "pump" it with hype — social media tips, fake news, paid newsletters and coordinated buying — to drive the price up. Once retail buyers pile in, the insiders "dump" their shares at the inflated price. The price collapses, and the people who bought the hype are left holding the bag.
Pump and dumps are illegal in regulated stock markets and are prosecuted by bodies like the SEC, but they remain common in lightly regulated corners of cryptocurrency and micro-cap trading. If an "opportunity" relies on urgency, secrecy and unverifiable upside, it has the shape of a dump waiting to happen.
How margin and leverage actually work
Margin trading means borrowing from your broker to control a larger position than your cash would allow. With 10× leverage, a 1% move in the asset becomes a 10% move in your account — in either direction. That's why leverage is described as a double-edged sword: it accelerates profits and losses equally.
When losses erode your account below the broker's maintenance requirement, you get a margin call: deposit more cash or have your position liquidated automatically, often at the worst possible moment. The higher the leverage, the smaller the move needed to wipe you out — which is exactly what the later levels of this game are designed to teach you, painfully.
Tips to beat all seven levels
- Trade the dips, not the tops. Buying after a sharp drop and selling into strength beats chasing green candles.
- Respect the news delay. A bullish headline means buy now, before the 0.5s price reaction lands.
- Cut losses fast at high margin. At 20×+ a small adverse move snowballs into a margin call. Take the small loss.
- Bank your streak. Don't get greedy near a 6-win streak — the SEC freeze and fine will reset your momentum.
Frequently asked questions
- Is Pump or Dump free to play?
- Yes — it runs free in your browser on mobile and desktop, no download or signup.
- Is this real financial advice?
- No. It's a comedy game. Joe is not a licensed trader, and "vibes" is not a strategy. For real investing, use a regulated broker and never risk money you can't afford to lose.
- What's the highest level?
- Level 7, "Joe's Last Stand," runs at 100× margin and is endless — you survive as long as you can before going broke.
- What's the difference between investing and trading?
- Investing is buying assets to hold for years and compound. Trading — what this game simulates — is buying and selling frequently to profit from short-term price moves. Trading is far riskier and most retail day traders lose money over time.
- Is day trading profitable?
- For the large majority of retail traders, no. Studies repeatedly find that most day traders lose money, and the minority who profit tend to do so consistently rather than via big gambles. Leverage makes both outcomes faster.
Key terms glossary
Leverage — using borrowed money to control a bigger position. Margin call — a broker demand to add funds or be liquidated. Short selling — betting a price will fall. Bull market — prices rising; bear market — prices falling. Volatility — how violently a price swings. SEC — the U.S. Securities and Exchange Commission, which polices market fraud.
Related
- ▶ Play Pump or Dump
- 📖 How Ponzi schemes work — the other side of "too good to be true."
- ⚡ Tap Surge — test your reflexes instead of your portfolio.
- 📚 More finance explainers in the Learn hub