Paper trading is placing simulated trades at live market prices without risking money. Orders fill against real quotes and are tracked in a portfolio exactly as real ones would be, but nothing is bought or sold. It is how you learn the mechanics — order types, sizing, how an options chain behaves — before any of it is expensive.
What it is
A paper trade is a real decision with an imaginary settlement. You choose the ticker, the direction, the size and the order type, and the simulator prices it off the live market. The position then moves exactly as the real one would: it gains, it loses, it gaps against you overnight, and it shows up in a portfolio total you can be annoyed about.
The name is older than the software — it comes from traders writing hypothetical positions on paper and marking them against the tape the next morning. The idea has not changed. What changed is that the quotes now arrive in real time and the arithmetic is done for you.
What it genuinely teaches
- Order types. The difference between a market order and a limit order stops being a definition the first time a market order fills you somewhere you did not expect in a thin name.
- Position sizing. The quiet decider of whether you survive a bad week. Three trades at a third of the account each is a different strategy from nine at a ninth, even with identical picks.
- How options actually behave. That you can be right about direction and still lose to time decay is a sentence everybody reads and nobody believes until they have watched it.
- What a drawdown looks like. Not the number — the shape. How long it lasts, and how it feels to hold through it even when nothing is at stake.
- Whether your idea has an edge at all. Most do not. Finding that out for free is the entire return on the exercise.
What it cannot teach you
Two things, and pretending otherwise is how people move to real money overconfident.
The part that costs you money is the part that is missing
You will not feel a simulated loss. The discipline that matters — holding a thesis when the position is red, closing a loser you were attached to, not revenge-trading after a bad morning — is emotional, and the emotion is supplied by the money. A flawless paper record proves you understand the mechanics. It proves nothing about what you will do at 3pm on a day the position is down eleven per cent.
Your order did not move the market
A simulator fills you without your order existing. In liquid names and ordinary size the difference is negligible. In a thin stock, a wide options contract or size that would actually matter, real slippage is real and a simulator cannot charge you for it. This matters most in exactly the illiquid contracts beginners are drawn to because they look cheap.
How to choose a simulator
The distinction that matters is whether the fills are honest. A simulator that fills every order at the midpoint is teaching you a price you would never have got.
| Look for | Why it matters |
|---|---|
| Live prices, not delayed | A fifteen-minute delay makes every intraday lesson fiction. |
| Fills that respect the spread | Midpoint fills flatter your record and hide the real cost of trading illiquid names. |
| Options with real greeks | Without delta, theta and implied volatility you are guessing at the only variables that decide the trade. |
| A realistic starting balance | A million in practice cash makes position sizing meaningless, and sizing is most of the skill. |
| Positions that survive overnight | A simulator that resets daily never teaches you what a gap does. |
| A reason to come back | The honest one. Most people abandon a simulator in a week because nothing is at stake — a leaderboard or a contest is what keeps the practice going long enough to matter. |
How Stock Picks does it
Stock Picks is a free paper trading app for stocks and options, on iPhone, Android and the web. You start with $10,000 and trade at live quotes and live spreads.
- Stocks and options — full chains with real greeks and a payoff diagram before you commit, rather than a buy button with a strike attached.
- Price alerts, a screener and watchlists — so finding something to practise on is part of the app rather than a second tab.
- Contests with real prizes, ranked on percentage return so the size of an account never decides who wins. The open one is $500, free to enter.
- Fifteen-minute duels against one other person on the same clock, and knockout brackets — the answer to "why would I open this tomorrow".
- Lessons on sizing, risk and order types, taught against positions you are actually holding.
Using it alongside a brokerage
A simulator is not a replacement for a broker and does not try to be. Most people run more than one tool: somewhere to execute, somewhere to chart, somewhere to research. Stock Picks sits in the practice-and-research slot — you can rehearse a structure here at no cost and place it wherever you actually trade.
| Tool | What it is for | Needs an account with them |
|---|---|---|
| Robinhood, Webull | Execution — a real brokerage account | Yes |
| thinkorswim paperMoney | Broker-run simulator, tied to Schwab | Yes |
| TradingView | Charting and technical analysis, with paper trading attached | Free tier |
| Stock Picks | Standalone practice, options learning and contests | No brokerage needed |
The practical difference is the barrier: a broker-run simulator generally wants you to open an account with that broker first, which is a lot to ask of somebody still working out what a put is.
Common questions
What is paper trading?
Paper trading is placing simulated trades at real market prices without risking money. Orders are filled against live quotes and tracked in a portfolio exactly as real ones would be, but no securities change hands. It exists so you can learn what a strategy actually does before it costs you anything.
Is paper trading actually useful, or is it a toy?
It is useful for everything mechanical and weak on everything emotional. It will teach you order types, position sizing, how an options chain behaves and what a drawdown does to a portfolio. It cannot teach you how you will feel watching real money fall, because you will not feel it. Treat it as a flight simulator: it makes you competent, not fearless.
Can you paper trade options?
Yes, and it is arguably where paper trading matters most. Options have more ways to lose than stocks — the direction can be right while time decay or a volatility collapse still takes the position to zero. Practising against a live chain with real greeks is considerably cheaper than learning that with money.
Do paper trading apps use real market prices?
Good ones do. Stock Picks fills against live quotes and live spreads. Some simulators fill at the midpoint or at the last price regardless of the spread, which quietly teaches a habit that costs money the moment it is real — a fill you would never actually have got.
How much money do you start with?
In Stock Picks, $10,000. That is deliberately a realistic sum rather than a million, because position sizing is most of what there is to learn and it is meaningless if the balance is unlimited.
Is Stock Picks free?
Yes. No card, no subscription and no in-app purchases. It is free on iPhone and Android, and the contests are free to enter.
Do I need a brokerage account to paper trade?
Not with a standalone simulator. Broker-run simulators such as thinkorswim paperMoney generally require an account with that broker; an independent app does not, which is the usual reason people start with one.
How long should you paper trade before using real money?
Long enough to have traded a market you did not expect. A common rule of thumb is a few months covering at least one losing stretch — if every session in your record went up, the record is about the market rather than about you.
KEEP READING
Practise this with $10,000 that is not real
Stock Picks is a free trading simulator on live market prices. Stocks and options, a practice portfolio, price alerts and contests with real prizes.
iPhone and Android · no card required · nothing to buy
Stock Picks is an educational trading simulator published by Realtime Software Inc.. Nothing on this page is investment advice, a recommendation, or an offer to buy or sell any security. Trades placed in the app are simulated against live market prices — no securities change hands and no real money is at risk in the app. Simulated results predict nothing about real markets. Options involve risk and are not suitable for every investor. See our disclosures.