OPEN-SOURCE SCRIPT
Auto Trendlines [AFD]

Traders!

If this draws fewer lines than the last auto-trendline script you tried, that is not a bug.
Almost every free entrant in this category will connect any two points and call the result a trendline, including points price has already traded straight through. This one will not draw that line at all.
WHAT IT DOES
Two confirmed same-side pivots define a diagonal line - two swing highs for a descending line, two swing lows for an ascending one. Before it is drawn, the pair has to pass four checks, all required:
*Same side. Never one high paired with one low.
*Progressive. The second pivot has to be lower than the first on a descending line, higher on an ascending one.
*No pierce. No bar between the two anchors may have traded through the line.
*Still intact now. No bar since the second anchor may have violated it either.
The third check is the one almost everyone in this category skips, and the fourth closes the gap right behind it - a pivot needs time to confirm, so without the fourth check a line could pass the first three and still be dead on arrival, already traded through in the bars since its own anchor. Of every pair that clears all four, the one nearest current price is the one drawn.
It keeps three lines per side by default - one at your Swing Strength setting, and two more at longer multiples of it - so a short, a medium and a long trendline can all be live on the same side at once, each resting on a different swing rather than three readings of the same one.
HOW A LINE LIVES AND DIES
A live line is maintained, not redrawn - its right edge follows price, and its label counts how many bars have touched it within your tolerance. It is retired, dimmed and kept on the chart, never silently deleted, for exactly one of two reasons: price violated it, or its anchor aged past your Bars to Apply setting. A retired line's colour, width and style are yours to set - the defaults reproduce a plain grey dotted line, but a violated line and an aged-out line both use the same styling, because both are "no longer live" and neither claims anything about what happens next.
When a side has nothing to show, an optional note names the refusal directly instead of leaving a blank chart that reads as broken - something like "No valid ascending line - recent pivot pairs failed the validity rule." It disappears the moment a line forms on that side.
THE TWO ALERTS
One alert per side, on one event: a line was violated and retired, on the bar that just closed. That is the whole alert surface.
*It does not fire on a developing bar - only once a bar closes.
*It does not fire when a line is retired for age. An aged line was not violated, and an alert saying it was would be a false statement about your chart.
*It does not tell you what to do next. It names the event and points at the settings that produced it.
*There is no alert for a line forming, for a touch, or for price approaching a line.
SETTINGS WORTH KNOWING FIRST

Swing Strength sets how many bars either side of a pivot must confirm it - higher means steadier, later pivots; lower means more of them, sooner and noisier. Pivots Searched sets how many recent pivots each length keeps in its pool to test pairs from. Pierce Tolerance and Touch Tolerance are both a multiple of ATR: Pierce is how far price may travel through a line before it counts as pierced or violated, and Touch is the separate band used only for counting touches. Bars to Apply bounds how old a line's anchor may get before it ages out - 0 means no limit.

Minimum Touches is worth reading twice, because it does not do what it sounds like. Requiring touches before a line can be drawn does not find a better line - it defers the same line's appearance into a later, shorter-lived part of its own life, since touches accrue before the line is drawn, not after. What it actually buys is recency: the lines that survive it are the ones price is currently working on.
Label position offers "Right of line" (default, floats along the line's own slope) or "Below, centered" (sits directly under the line's tip). Either way the label is a plain box with no pointer.
WHAT IT WILL NOT DO
It is not a signal tool. It does not grade a line's strength, does not rank one line against another, and does not name a target, a breakout, or a bounce - each of those is a claim about the bar after the one that just closed, and this script has no view on that. A touch count is a count of what already happened, shown with the tolerance that produced it, nothing more.
WHAT IS DISCLOSED RATHER THAN HIDDEN
A line appears late by design - its anchors are confirmed pivots, so a line shows up Swing Strength bars after the bar that anchors it. That lag is the price of not drawing lines that vanish a bar later.
Whether this script repaints has not been observed on a replay and is not claimed here either way. Its behaviour on a logarithmic price scale is likewise unobserved and unclaimed.
Zero request.*() calls of any kind - every calculation reads the chart's own series.
Open source under the Mozilla Public License 2.0.
If this draws fewer lines than the last auto-trendline script you tried, that is not a bug.
Almost every free entrant in this category will connect any two points and call the result a trendline, including points price has already traded straight through. This one will not draw that line at all.
WHAT IT DOES
Two confirmed same-side pivots define a diagonal line - two swing highs for a descending line, two swing lows for an ascending one. Before it is drawn, the pair has to pass four checks, all required:
*Same side. Never one high paired with one low.
*Progressive. The second pivot has to be lower than the first on a descending line, higher on an ascending one.
*No pierce. No bar between the two anchors may have traded through the line.
*Still intact now. No bar since the second anchor may have violated it either.
The third check is the one almost everyone in this category skips, and the fourth closes the gap right behind it - a pivot needs time to confirm, so without the fourth check a line could pass the first three and still be dead on arrival, already traded through in the bars since its own anchor. Of every pair that clears all four, the one nearest current price is the one drawn.
It keeps three lines per side by default - one at your Swing Strength setting, and two more at longer multiples of it - so a short, a medium and a long trendline can all be live on the same side at once, each resting on a different swing rather than three readings of the same one.
HOW A LINE LIVES AND DIES
A live line is maintained, not redrawn - its right edge follows price, and its label counts how many bars have touched it within your tolerance. It is retired, dimmed and kept on the chart, never silently deleted, for exactly one of two reasons: price violated it, or its anchor aged past your Bars to Apply setting. A retired line's colour, width and style are yours to set - the defaults reproduce a plain grey dotted line, but a violated line and an aged-out line both use the same styling, because both are "no longer live" and neither claims anything about what happens next.
When a side has nothing to show, an optional note names the refusal directly instead of leaving a blank chart that reads as broken - something like "No valid ascending line - recent pivot pairs failed the validity rule." It disappears the moment a line forms on that side.
THE TWO ALERTS
One alert per side, on one event: a line was violated and retired, on the bar that just closed. That is the whole alert surface.
*It does not fire on a developing bar - only once a bar closes.
*It does not fire when a line is retired for age. An aged line was not violated, and an alert saying it was would be a false statement about your chart.
*It does not tell you what to do next. It names the event and points at the settings that produced it.
*There is no alert for a line forming, for a touch, or for price approaching a line.
SETTINGS WORTH KNOWING FIRST
Swing Strength sets how many bars either side of a pivot must confirm it - higher means steadier, later pivots; lower means more of them, sooner and noisier. Pivots Searched sets how many recent pivots each length keeps in its pool to test pairs from. Pierce Tolerance and Touch Tolerance are both a multiple of ATR: Pierce is how far price may travel through a line before it counts as pierced or violated, and Touch is the separate band used only for counting touches. Bars to Apply bounds how old a line's anchor may get before it ages out - 0 means no limit.
Minimum Touches is worth reading twice, because it does not do what it sounds like. Requiring touches before a line can be drawn does not find a better line - it defers the same line's appearance into a later, shorter-lived part of its own life, since touches accrue before the line is drawn, not after. What it actually buys is recency: the lines that survive it are the ones price is currently working on.
Label position offers "Right of line" (default, floats along the line's own slope) or "Below, centered" (sits directly under the line's tip). Either way the label is a plain box with no pointer.
WHAT IT WILL NOT DO
It is not a signal tool. It does not grade a line's strength, does not rank one line against another, and does not name a target, a breakout, or a bounce - each of those is a claim about the bar after the one that just closed, and this script has no view on that. A touch count is a count of what already happened, shown with the tolerance that produced it, nothing more.
WHAT IS DISCLOSED RATHER THAN HIDDEN
A line appears late by design - its anchors are confirmed pivots, so a line shows up Swing Strength bars after the bar that anchors it. That lag is the price of not drawing lines that vanish a bar later.
Whether this script repaints has not been observed on a replay and is not claimed here either way. Its behaviour on a logarithmic price scale is likewise unobserved and unclaimed.
Zero request.*() calls of any kind - every calculation reads the chart's own series.
Open source under the Mozilla Public License 2.0.
Open-source Skript
Ganz im Sinne von TradingView hat dieser Autor sein/ihr Script als Open-Source veröffentlicht. Auf diese Weise können nun auch andere Trader das Script rezensieren und die Funktionalität überprüfen. Vielen Dank an den Autor! Sie können das Script kostenlos verwenden, aber eine Wiederveröffentlichung des Codes unterliegt unseren Hausregeln.
Auction Foundry - See the Auction more clearly.
All content provided is for informational & educational purposes only.
Website: auction-foundry.io
Instagram: instagram.com/AuctionFoundry
X:@AuctionFoundry
All content provided is for informational & educational purposes only.
Website: auction-foundry.io
Instagram: instagram.com/AuctionFoundry
X:@AuctionFoundry
Haftungsausschluss
Die Informationen und Veröffentlichungen sind nicht als Finanz-, Anlage-, Handels- oder andere Arten von Ratschlägen oder Empfehlungen gedacht, die von TradingView bereitgestellt oder gebilligt werden, und stellen diese nicht dar. Lesen Sie mehr in den Nutzungsbedingungen.
Open-source Skript
Ganz im Sinne von TradingView hat dieser Autor sein/ihr Script als Open-Source veröffentlicht. Auf diese Weise können nun auch andere Trader das Script rezensieren und die Funktionalität überprüfen. Vielen Dank an den Autor! Sie können das Script kostenlos verwenden, aber eine Wiederveröffentlichung des Codes unterliegt unseren Hausregeln.
Auction Foundry - See the Auction more clearly.
All content provided is for informational & educational purposes only.
Website: auction-foundry.io
Instagram: instagram.com/AuctionFoundry
X:@AuctionFoundry
All content provided is for informational & educational purposes only.
Website: auction-foundry.io
Instagram: instagram.com/AuctionFoundry
X:@AuctionFoundry
Haftungsausschluss
Die Informationen und Veröffentlichungen sind nicht als Finanz-, Anlage-, Handels- oder andere Arten von Ratschlägen oder Empfehlungen gedacht, die von TradingView bereitgestellt oder gebilligt werden, und stellen diese nicht dar. Lesen Sie mehr in den Nutzungsbedingungen.