Gatecrasher, the previous day high low MT4 indicator with a stop you can almost touch
Every trading day starts with two prices already written on the chart: the high and the low of the day before. Big money watches them, stops pile up behind them, and when one finally breaks, the move that follows is often long and fast. Gatecrasher is a previous day high low MT4 indicator that draws those two gates for you and fires one arrow the moment a candle closes through one of them.
The signal does not repaint, does not move and does not disappear. It prints on a closed candle and stays exactly where it printed, so the chart you study tomorrow is the chart you would have traded today.
Click the image to enlarge
Real chart, GBPUSD on H4. The dashed lines are yesterday’s high and low. Then the pound sells off, one H4 candle closes below yesterday’s low and the arrow prints at 1.34575. The stop sits just above the broken line at 1.34675, only 10 pips away. From there the pair fell to 1.33356, a move of 121 pips, twelve times the risk. Every price in this example comes from the exact candle history, not from a guess on the scale.
Why yesterday’s high and low matter so much
The previous day range is the most watched pair of prices in trading. Day traders fade it, swing traders use it as a map, and most of them leave their stops right behind it. As a result, a clean breakout through one of these lines often triggers those stops and turns into a one way move.
However, price pokes through these lines all the time with a wick and comes straight back. That is why Gatecrasher ignores wicks completely. It waits for a full candle to close on the other side, because a close is a decision and a wick is only a flinch.
How the gates work
- The gates. At the start of each day the indicator takes the finished high and low of the day before and draws them across the new day.
- The crash. The first candle that closes above the high gives a buy arrow. The first one that closes below the low gives a sell arrow.
- Once per side. By default each gate fires only once per day, so a choppy session around the line does not flood your chart.
Because the gates come from a day that already ended and the arrow needs a closed candle, nothing on the chart changes afterwards. The previous day high low MT4 levels stay fixed all day.
How to trade the previous day high low MT4 signals
- Enter on the close of the arrow candle. The break already happened and the market confirmed it.
- Put the stop just on the other side of the gate. If price climbs back above the broken low, the break failed. That is why the stop can be so small.
- Let it run. A real break of the daily range often travels a full day’s range or more. A small stop and a long ride is the whole idea.
- Move the stop to breakeven once price has travelled as far as your risk, therefore a failed follow through costs you nothing.
Also, use the opposite gate as a map. When the low breaks, yesterday’s high becomes the line the sellers must never see again.
Markets and timeframes
| All forex pairs | H1 or H4 only, the breaks are cleaner and the stops stay tight |
| Gold | H1 or H4, the same rules |
| Lower timeframes | not recommended, small candles cross the line without real intent |
H1 and H4 are where this previous day high low MT4 tool shines. A single candle on those charts needs real money behind it to close through a daily gate, and that is the kind of break worth following.
What is inside
- Yesterday’s high and low drawn for the last few days, labelled on the chart.
- Break arrows on closed candles only. They do not repaint, move or disappear.
- One signal per side each day, switchable.
- Optional cushion in points, if you want the close to clear the gate by a margin.
- Popup, sound, push and email alerts, each one switchable.
- Premium dark chart theme, applied on attach and restored on remove.
It reads price only, so it works with any broker and any account type. If you prefer robots that take the trades for you, have a look at our automated robots. The rest of the manual set lives in our chart tools for traders.
Questions about this previous day high low MT4 indicator
Does it repaint? No. The gates come from a finished day and the arrow needs a closed candle. Once it prints, it does not move and it does not disappear.
Why do my lines differ from another platform? Because brokers start the day at different hours. The rule is the same, but the day is not.
Can I use it on M5? You can, but we do not recommend it. On small timeframes price crosses the gate too easily, so the signal loses its edge.
Do you have the other version? Yes. This is the MetaTrader 4 build, and Gatecrasher for MT5 draws the same gates on MetaTrader 4.
Trading involves risk. Signals are information, not advice, so try any new tool on a demo account first and only trade money you can afford to lose.
