MarketMaulers Opening Range Levels
MarketMaulers Opening Range Levels draws the first fifteen minutes of the session as a map for the rest of it: the high, the low, the midpoint, and the range height projected above and below as 1× and 2× extensions. Then it stays with those levels through the part that matters, and records the three things that can happen at each one.
● taken · ○ retested · ✕ break failed
THE HEIGHT IS THE PRODUCT
The opening range high and low are on every chart in the world. Drawing them is not an edge. What gets marked far less often is the HEIGHT of the range used as a ruler. Project it from the side that breaks and 1× and 2× are the measured-move levels. This tool puts that ruler on the chart before the move, not after it.
FROM ZERO: WHAT AN OPENING RANGE IS
When a session opens, the first few minutes are the market agreeing on a price after hours of being closed or thin. The highest and lowest prices traded in that window are the opening range. Everything after it is the market deciding whether that first agreement holds. A break of one side is the day's first decision. Whether the break holds is the second.
WHAT IT DRAWS
• The range box, over the opening window itself.
• OR High, OR Low and the midpoint, carried across the session.
• Extensions at 1× and 2× the range height beyond each side. Up to 4×, with an optional 0.5×.
• The current session shows its full ladder. Past sessions keep their box and three levels, so a zoomed-out chart stays readable. One switch brings the old ladders back.
The default window is 09:30 to 09:45 New York. The start time is yours to set, and the length can be 5, 15, 30 or 60 minutes. The clock is New York time with daylight saving handled, so 09:30 stays 09:30 all year.
THE THREE MARKS
A break is the start of the story. Two things can follow, and they mean opposite things.
• TAKEN, a filled dot. The first bar to close beyond a side. Once per side per session.
• RETEST, a hollow dot. After a break, price has to trade fully clear of the level. The first bar that comes back and touches it gets the mark. The "fully clear first" rule is what stops the bar right after the break from being called a retest.
• BREAK FAILED, a cross. The first close back through the midpoint after a break. A setting moves the test to a close back inside the range edge, which is earlier and noisier.
A first break can turn out to be the day's move or the day's trap. The marks do not predict which. They record which one it was, so you can see how each plays out on your own instrument.
THE BAR GETS THE GLYPH, THE TAG GETS THE STORY
Each mark on the chart is a single character, so candles do not print through it and two events close together do not pile up. The detail goes on the level's own tag, with times. A high taken at 09:50 whose break failed at 10:00 reads on the OR HIGH tag as the price, then the dot with 09:50, then the cross with 10:00. Read left to right, that is the level's whole day. Hover any mark for what it is and when. If you prefer the words printed beside each mark, that is one switch.
THE WIDTH READ
A fifteen-minute range at half its usual size and one at double are two different days wearing the same lines. The panel compares today's width to the median of the sessions before it, up to the last 20, and calls it wide, normal or tight.
• Median, not average. One news morning drags an average up for a month. The median ignores it.
• It will not give a verdict until it has 10 sessions. A ratio built on three days is a coincidence.
• Today is never part of its own benchmark. The median is taken before today's range joins the pool.
• The wide and tight cut-offs, 1.25× and 0.80×, are ours. They are not a published threshold.
• The row names how many sessions the median stands on. Different chart timeframes load different amounts of history, so the figure can differ slightly between them.
THE PANEL
Window · width in points and ticks · width against the median · high and low · when each side was first taken, retested and failed · how many extensions have been reached. Every row has a hover note.
ALERTS
First break of the range · Retest of a broken level · Break failed · Extension level reached
One alert covers all four. Each message carries the live price and the level, and a JSON format is available for webhooks. Extension alerts stop when the levels expire, so nothing fires overnight against a finished range.
WHY IT DOES NOT REPAINT
There is no higher-timeframe request anywhere in the script. The range is built from chart bars and commits once, when the window closes. Its levels are never moved afterwards. Every mark is judged on a closed bar, so nothing appears and then vanishes.
WHAT TO KNOW BEFORE YOU USE IT
• Intraday charts only, at or below the range length. A 15-minute range needs a chart of 15 minutes or less.
• The default break test is a bar CLOSE beyond the level, so the break time depends on your chart timeframe. A 1-minute chart can show a break a 5-minute chart does not.
• Level tags sit at the end of their lines. After the levels expire, later candles can print over a tag when price rests on that level.
• On a fast open a retest can print two or three bars after the break. It met the rule, and it carries less information than a retest that took an hour.
MADE TO FIT YOUR CHART
Separate colours for the high and the low, line style and width for every level, box fill and border, extension colours per side, mark colours and size, tag size and position, eight panel positions, every panel colour, and a toggle for each element and each panel section.
HOW TRADERS ACTUALLY USE IT
Let the range finish. Inside it, the market is still deciding. Read the width first, because a tight range and a wide range are different days and the same levels sit at very different distances. Treat 1× as the first place to think. After a break, watch the midpoint. A close back through it is the break failing, and the cross marks it for you.
Works on any market with intraday data.
Display only. This draws levels and records what happened at them, it does not fire buy/sell signals. The width read is a record of recent sessions, not a forecast. Educational tool, not financial advice.
Published open-source. The clock-based window engine, the commit-once range model, the break, retest and failed-break state tracking, the median width benchmark with its sample floor, and the alert transport are all readable in the source. Everything above explains what it draws and how it decides what to mark; the code is there so you can check that the description is accurate rather than take it on faith. Read it, fork it, argue with the constants.
● taken · ○ retested · ✕ break failed
THE HEIGHT IS THE PRODUCT
The opening range high and low are on every chart in the world. Drawing them is not an edge. What gets marked far less often is the HEIGHT of the range used as a ruler. Project it from the side that breaks and 1× and 2× are the measured-move levels. This tool puts that ruler on the chart before the move, not after it.
FROM ZERO: WHAT AN OPENING RANGE IS
When a session opens, the first few minutes are the market agreeing on a price after hours of being closed or thin. The highest and lowest prices traded in that window are the opening range. Everything after it is the market deciding whether that first agreement holds. A break of one side is the day's first decision. Whether the break holds is the second.
WHAT IT DRAWS
• The range box, over the opening window itself.
• OR High, OR Low and the midpoint, carried across the session.
• Extensions at 1× and 2× the range height beyond each side. Up to 4×, with an optional 0.5×.
• The current session shows its full ladder. Past sessions keep their box and three levels, so a zoomed-out chart stays readable. One switch brings the old ladders back.
The default window is 09:30 to 09:45 New York. The start time is yours to set, and the length can be 5, 15, 30 or 60 minutes. The clock is New York time with daylight saving handled, so 09:30 stays 09:30 all year.
THE THREE MARKS
A break is the start of the story. Two things can follow, and they mean opposite things.
• TAKEN, a filled dot. The first bar to close beyond a side. Once per side per session.
• RETEST, a hollow dot. After a break, price has to trade fully clear of the level. The first bar that comes back and touches it gets the mark. The "fully clear first" rule is what stops the bar right after the break from being called a retest.
• BREAK FAILED, a cross. The first close back through the midpoint after a break. A setting moves the test to a close back inside the range edge, which is earlier and noisier.
A first break can turn out to be the day's move or the day's trap. The marks do not predict which. They record which one it was, so you can see how each plays out on your own instrument.
THE BAR GETS THE GLYPH, THE TAG GETS THE STORY
Each mark on the chart is a single character, so candles do not print through it and two events close together do not pile up. The detail goes on the level's own tag, with times. A high taken at 09:50 whose break failed at 10:00 reads on the OR HIGH tag as the price, then the dot with 09:50, then the cross with 10:00. Read left to right, that is the level's whole day. Hover any mark for what it is and when. If you prefer the words printed beside each mark, that is one switch.
THE WIDTH READ
A fifteen-minute range at half its usual size and one at double are two different days wearing the same lines. The panel compares today's width to the median of the sessions before it, up to the last 20, and calls it wide, normal or tight.
• Median, not average. One news morning drags an average up for a month. The median ignores it.
• It will not give a verdict until it has 10 sessions. A ratio built on three days is a coincidence.
• Today is never part of its own benchmark. The median is taken before today's range joins the pool.
• The wide and tight cut-offs, 1.25× and 0.80×, are ours. They are not a published threshold.
• The row names how many sessions the median stands on. Different chart timeframes load different amounts of history, so the figure can differ slightly between them.
THE PANEL
Window · width in points and ticks · width against the median · high and low · when each side was first taken, retested and failed · how many extensions have been reached. Every row has a hover note.
ALERTS
First break of the range · Retest of a broken level · Break failed · Extension level reached
One alert covers all four. Each message carries the live price and the level, and a JSON format is available for webhooks. Extension alerts stop when the levels expire, so nothing fires overnight against a finished range.
WHY IT DOES NOT REPAINT
There is no higher-timeframe request anywhere in the script. The range is built from chart bars and commits once, when the window closes. Its levels are never moved afterwards. Every mark is judged on a closed bar, so nothing appears and then vanishes.
WHAT TO KNOW BEFORE YOU USE IT
• Intraday charts only, at or below the range length. A 15-minute range needs a chart of 15 minutes or less.
• The default break test is a bar CLOSE beyond the level, so the break time depends on your chart timeframe. A 1-minute chart can show a break a 5-minute chart does not.
• Level tags sit at the end of their lines. After the levels expire, later candles can print over a tag when price rests on that level.
• On a fast open a retest can print two or three bars after the break. It met the rule, and it carries less information than a retest that took an hour.
MADE TO FIT YOUR CHART
Separate colours for the high and the low, line style and width for every level, box fill and border, extension colours per side, mark colours and size, tag size and position, eight panel positions, every panel colour, and a toggle for each element and each panel section.
HOW TRADERS ACTUALLY USE IT
Let the range finish. Inside it, the market is still deciding. Read the width first, because a tight range and a wide range are different days and the same levels sit at very different distances. Treat 1× as the first place to think. After a break, watch the midpoint. A close back through it is the break failing, and the cross marks it for you.
Works on any market with intraday data.
Display only. This draws levels and records what happened at them, it does not fire buy/sell signals. The width read is a record of recent sessions, not a forecast. Educational tool, not financial advice.
Published open-source. The clock-based window engine, the commit-once range model, the break, retest and failed-break state tracking, the median width benchmark with its sample floor, and the alert transport are all readable in the source. Everything above explains what it draws and how it decides what to mark; the code is there so you can check that the description is accurate rather than take it on faith. Read it, fork it, argue with the constants.
Pernyataan Penyangkalan
Informasi dan publikasi ini tidak dimaksudkan, dan bukan merupakan, saran atau rekomendasi keuangan, investasi, trading, atau jenis lainnya yang diberikan atau didukung oleh TradingView. Baca selengkapnya di Ketentuan Penggunaan.
Pernyataan Penyangkalan
Informasi dan publikasi ini tidak dimaksudkan, dan bukan merupakan, saran atau rekomendasi keuangan, investasi, trading, atau jenis lainnya yang diberikan atau didukung oleh TradingView. Baca selengkapnya di Ketentuan Penggunaan.