01 What paper trading is
Paper trading means placing orders with fake money against real prices. Nothing you do reaches an exchange, nothing you risk is real, and nothing you make is real either. What you get instead is a record: every entry, every exit, every stop you moved, sitting in front of you where you can look at it later.
That record is the entire point. A new trader without one is guessing whether their approach works from memory, which is exactly the part of the brain that forgets losing trades faster than winning ones. Paper trading forces the guess onto paper — or a screen — where it can be checked.
02 Live paper trading vs. replaying history
There are two ways to paper trade, and they teach different things.
Live paper trading means watching the current market and placing simulated orders as it moves, in real time. It is realistic in one specific way: you genuinely do not know what candle comes next, which is also true when your money is real. But it is slow. One trading session teaches you one session's worth of situations, and most of those hours look like most other hours — quiet, directionless, nothing worth acting on.
Replaying history means stepping through real past candles — real Binance, OKX or Bybit data — one bar at a time, at your own pace. You still do not see future candles before you decide; the chart only reveals the next bar once you have already placed, held or skipped a trade. What replay buys you is density: instead of waiting for a trending market, a squeeze, a sharp reversal or a slow chop to show up on its own schedule, you go find one in the history and step through it tonight. (On the free plan the depth depends on the timeframe: the whole history back to January 2020 on 3-day, weekly and monthly charts, about a year on daily, and roughly the last 17 days on 1-hour and 67 days on 4-hour.) An evening of replay can put you through more distinct market situations — different trends, different volatility, different regimes — than weeks of watching the live feed and hoping something happens.
Neither replaces the other. Live paper trading is closer to the real experience of not knowing; replay is a faster way to rack up reps. Most of the value, especially early on, is in the reps.
03 What to measure
A pile of trades is not useful until it turns into numbers. Track at least these, and look at them after every session rather than only after a big win or a bad loss:
- Win rate — the share of trades that closed positive. On its own it tells you almost nothing; a strategy can win 30% of the time and still be profitable, or win 70% and still lose money.
- Risk:reward ratio — how much you made on winners versus how much you lost on losers, on average. This is what turns a low win rate into a workable plan, or a high win rate into a trap.
- P&L over a run of trades, not one trade at a time. A single trade tells you what happened once. Twenty or fifty trades start to tell you what your approach actually does.
- Where you exited relative to your plan — did the stop-loss or take-profit you set actually get hit, or did you move it mid-trade? Moving a stop after entry is one of the most common habits a journal exposes, because it is invisible without one.
- How the same setup performed across different conditions — trending, ranging, high volatility, low volatility. A method that only works in one regime is not broken, but you need to know which regime you are in before you use it live.
A written journal beats memory for the same reason a paper trade beats a mental one: it cannot quietly rewrite itself in your favour after the fact.
04 Why $10,000, not a fantasy $100K
Plenty of simulators start you with $100,000 or more. It feels generous, and it is also disconnected from what most beginners are actually deciding: how to size a $200 or $2,000 position sensibly, not how to run a hundred-thousand-dollar book. Position sizing and risk management do not scale down in a straight line from a six-figure account to a real one — the psychology of risking 1% of $100,000 is not the psychology of risking 1% of the amount you'd actually put into an exchange account.
A $10,000 starting balance sits closer to a realistic account size for someone learning. It is large enough to size positions sensibly across dozens of trades, and small enough that the percentages you practice with — 1% risk, 2% risk, a 3:1 target — map onto numbers you would recognise if you were doing this with real money. The goal of paper trading is not to see a big number get bigger. It's to find out whether your process holds up over many trades, at a scale you can actually picture yourself using.
05 The limits — read this part too
Paper trading, live or replayed, is not the same as trading. Two gaps matter most:
- No real emotion. A simulated loss stings less than a real one, and a simulated win feels less urgent to protect. The fear, greed and hesitation that make real trading hard to execute well simply are not fully present when nothing is actually at stake. Paper trading builds the mechanical habit — where to enter, where to place a stop, when to take profit — but it cannot fully train the emotional discipline to follow that habit when real money is on the line.
- No real slippage, fees or liquidity. A simulation fills your order at a clean price with nothing in the way. A real market can move against you between clicking and filling, charges a fee on every trade, and can be thin exactly when you most want to get out. Real trading has costs a simulation leaves out, and a strategy that looks profitable on paper needs room for those costs before it is tested with real money.
Treat paper trading as what it is: a way to build and check a process before risking anything, not a guarantee that the process will survive contact with a live market. Past results, real or simulated, do not predict future results — that holds for every session you run.
06 Related reading
FreeBacktest is an educational tool. Nothing here is investment advice. Past results — real or simulated — do not predict future results.