Blind Drill is an educational trading simulator. It uses virtual money and modeled orders to help you examine decisions on historical stock and crypto days. It is not a broker, does not execute real trades and provides no investment advice, signals, tips, alerts or trade ideas.
Simulated results do not predict live trading results. A positive P&L, a high win rate or a strong discipline grade is a record of one practice exercise under specific assumptions. It is not evidence that you will earn money in a live market.
Real trading can produce real losses
Day trading exposes money to price changes, transaction costs and execution uncertainty. A decision that looks manageable in a replay can become difficult when a real position is losing value. Stocks and crypto can move quickly, and neither familiarity with chart controls nor repeated practice removes that risk.
The trainer's default rules are settings for an exercise. A $25,000 virtual account, 1% per-trade risk or a 3% daily loss limit is not a recommendation for your finances. Choosing those defaults does not establish that live trading is appropriate for you or that a particular loss is affordable.
Before making real investment decisions, consider your circumstances and consult a licensed professional. Blind Drill cannot make that assessment through a scorecard.
Simulated orders are not real execution
No order placed in Blind Drill reaches an exchange or broker. The service calculates fills from historical bars and its fill model. Market orders fill at the next bar's open plus slippage. Limit orders fill at the open when price has already passed the limit, or at the limit when touched. Stop orders trigger when touched, plus slippage.
A real order can encounter conditions that this model does not reproduce. The simulation does not prove that the same quantity could have been traded at the displayed price in live conditions. Treat the fill as the model's output, not a reconstruction of a real transaction you could certainly have made.
Stops and targets are also modeled. Their presence in a practice order does not guarantee a particular live exit price or loss.
One minute leaves out the path inside it
A historical bar gives an open, high, low, close and volume for a minute. It does not reveal every trade or the exact order in which the high and low occurred. Blind Drill offers no tick data or Level 2 order-book information.
When both a stop and a target are touched in the same bar, Blind Drill assumes the stop was hit first. This conservative rule resolves an ambiguity in the available data. It does not establish which price a real market participant would have reached first.
Changing the chart to 2, 5 or 15 minutes does not add missing detail. All those views are built from the same underlying minute bars.
Data sources affect what you see
US stock prices come from actual IEX trades, but the volume counts IEX activity only. It is not consolidated volume across all exchanges. During regular hours, a minute without an IEX trade appears as a flat bar at the last price. Stock coverage runs from 04:00 to 16:00 ET, without after-hours.
Crypto prices come from decentralized exchange trading pools and may differ slightly from centralized exchange prices. Crypto days and VWAP use UTC. These source and timing differences matter when comparing a replay with another chart.
All replay data is at least one trading day old. It is provided for historical practice and should not be treated as live market information.
Costs and emotions are assumptions, not replicas
The simulation applies slippage and commissions. Stock defaults are $0.01 slippage per share and $0.005 commission per share, with a $1 minimum. Crypto defaults are 0.02% slippage and commission of 0.1% of trade value, with a $1 minimum. Real costs and execution can differ from those settings.
Virtual money also changes the experience. Pausing a replay gives you time that a live market does not provide. A simulated loss does not carry the same financial consequences, and knowing that can change how readily you enter, hold, add or exit.
Use practice to inspect those decisions while recognizing what the exercise leaves out.
Read a discipline grade for what it measures
The discipline score records specified rule breaks, including missing stops, excess risk, widened stops, adding to losing positions, chasing, quick re-entry after losses and exceeding trading limits. It measures adherence to those checks during the session.
A score of 100 is not a profitability rating or proof of a sound strategy. You can follow every checked rule and still lose money. You can also break rules and finish a simulated day in profit. Review the process and the result separately, then read how the scorecard works for the exact calculations and penalties.