OPEN-SOURCE SCRIPT
Trender [IQ]

IQ Trender - TradingIQ
🔹 OVERVIEW
IQ Trender is a non-repainting trend rail built around one simple visual language:
Most trend tools try to follow every movement in price. In sideways conditions, that can leave you reading a line that bends, twitches, and changes direction inside the same noise you were trying to filter.
IQ Trender is designed to behave differently. While the market remains inside its adaptive hold zone, the rail stays deliberately flat. When the underlying trend evidence becomes strong enough, it commits to a rising or falling leg and moves in one direction until that condition genuinely changes.
The result is a clean distinction between three market states:
Direction is shown by color. Conviction is shown by color intensity and glow. The Trender Radar explains the current state numerically, while the Ghost Forecast extends the rail's present trajectory into a fading uncertainty cone.
This is a trend-reading and visualization tool, not a signal service. It does not issue buy or sell calls, and it makes no claim of profitability or predictive certainty.
🔹 THE ONE-LINE MENTAL MODEL
The fastest way to read IQ Trender is to ignore the mathematics at first and watch the shape of the rail:
This is the same sequence demonstrated in the walkthrough: a directional leg can flatten during a pause, pullback, or consolidation, then recommit if the broader move resumes. The bearish interpretation is the mirror image - falling leg, flat hold, then a renewed falling leg if downside evidence returns.
The flat section is important. It is not a prediction that a breakout is about to happen. It is the indicator saying that current movement has not earned a directional commitment.
🔸 HOW THE ENGINE WORKS
IQ Trender combines three separate jobs: estimating the trend beneath price, deciding whether that trend is statistically meaningful, and drawing a rail that cannot wiggle backward within a committed leg.
🔹 THE ADAPTIVE HOLD BAND
The shaded band is the rail's live range corridor.
While the rail is holding, the band opens around it to show the volatility-adjusted area in which price can move without forcing a directional leg. When the rail commits to a trend, the displayed band eases shut onto the rail because the model has left its holding state. When the rail becomes flat again, the band gradually reopens.
The band should be read as a model tolerance, not as conventional support and resistance. Price moving within it means the model can continue to hold. Movement beyond it contributes evidence for a new leg, but it is not, by itself, a guaranteed breakout or trade entry.
🔸 COLOR, GLOW & CONVICTION
IQ Trender communicates direction and commitment through one coordinated visual system:
Conviction measures how strongly the estimated slope differs from zero relative to the model's uncertainty. It is a statistical strength reading, not the probability that a trade will win.
The palette is generated in the Oklab perceptual color space. Hue, lightness, and vibrancy can be adjusted as a coordinated system, while out-of-gamut colors are compressed toward neutral instead of clipping harshly.
Accessibility controls include deuteranopia, protanopia, and tritanopia modes, plus automatic contrast correction against the chart background. A selectable contrast target helps keep the rail and directional Radar accents legible across light and dark themes.
🔹 TRENDER RADAR
The Trender Radar is the live scorecard in the corner of the chart. It reports:
With Log Geometry enabled, slope is displayed as a percentage per bar and band width is expressed as a percentage of the rail. With linear geometry, both are shown in price units.
The Radar can be moved to any chart corner or disabled entirely.
🔸 GHOST FORECAST
The Ghost Forecast is a translucent forward projection of the rail's current slope.
Its centerline extends the rail's recent trajectory. The surrounding cone widens with distance to communicate increasing uncertainty, then fades away toward the horizon. Two growth modes are available:
The forecast is rebuilt only at the live edge and never painted into historical bars. It can also be displayed while the rail is holding, where its centerline remains flat.
This feature is a trajectory read, not a price target. It answers, Where is the rail currently heading if its present slope persists? It does not answer, Where will price trade?
🔹 FLIP MARKERS & ALERTS
Optional markers identify confirmed changes in rail state:
Markers are created only on confirmed bars. Once printed, they do not move.
Matching alert conditions are included for:
These alerts report state changes in the model. They are not automated trade recommendations and should be interpreted in the context of the symbol, timeframe, market structure, and the user's own risk process.
🔸 SPEED - THE OVERALL TEMPO
Speed changes the rail's pursuit rate and the width of its hold zone together:
Slower settings generally require more displacement and move the rail more gradually. Faster settings use a tighter band and pursue price more aggressively. A faster preset is not automatically better: responsiveness and noise rejection are opposing trade-offs.
🔸 PURSUIT - HOW A COMMITTED LEG MOVES
Pursuit changes the shape of an active leg without changing the underlying trend evidence:
On slower Speed presets, Snap can appear more step-like. Steady produces the cleanest constant ramps, while Eased creates a softer approach.
🔹 HOW TO READ IQ TRENDER
🔸 INPUTS
Behavior
Source & Geometry
Close with Log Geometry enabled is the recommended general-purpose setup for ordinary positive price series. Log mode keeps slope and band behavior proportional across different price levels.
Rail, Band & Glow
Colors
Accessibility
State Readout
Forecast
Markers
🔹 NON-REPAINTING BEHAVIOR
IQ Trender is calculated causally with no future-bar lookahead.
Confirmed historical rail values and confirmed flip markers remain where they were calculated. The current, still-open bar can update as new price arrives, as any live indicator can. The Ghost Forecast is intentionally rebuilt at the live edge because it represents the rail's current slope and uncertainty; it does not rewrite historical bars.
🔸 LIMITATIONS & HONEST NOTES
IQ Trender is built to make one difficult market question easier to see:
One rail. Three states. No hindsight redraws.
🔹 OVERVIEW
IQ Trender is a non-repainting trend rail built around one simple visual language:
Flat = range. Ramp = trend. Brightness = conviction.
Most trend tools try to follow every movement in price. In sideways conditions, that can leave you reading a line that bends, twitches, and changes direction inside the same noise you were trying to filter.
IQ Trender is designed to behave differently. While the market remains inside its adaptive hold zone, the rail stays deliberately flat. When the underlying trend evidence becomes strong enough, it commits to a rising or falling leg and moves in one direction until that condition genuinely changes.
The result is a clean distinction between three market states:
- Holding - the rail is flat and the market is being treated as a range or consolidation.
- Rising - the rail has committed to an upward leg.
- Falling - the rail has committed to a downward leg.
Direction is shown by color. Conviction is shown by color intensity and glow. The Trender Radar explains the current state numerically, while the Ghost Forecast extends the rail's present trajectory into a fading uncertainty cone.
This is a trend-reading and visualization tool, not a signal service. It does not issue buy or sell calls, and it makes no claim of profitability or predictive certainty.
🔹 THE ONE-LINE MENTAL MODEL
The fastest way to read IQ Trender is to ignore the mathematics at first and watch the shape of the rail:
- A flat rail means the model is holding through noise.
- An upward ramp means the model has committed to a rising leg.
- A downward ramp means the model has committed to a falling leg.
- A stronger glow means the estimated trend is showing greater statistical conviction.
This is the same sequence demonstrated in the walkthrough: a directional leg can flatten during a pause, pullback, or consolidation, then recommit if the broader move resumes. The bearish interpretation is the mirror image - falling leg, flat hold, then a renewed falling leg if downside evidence returns.
The flat section is important. It is not a prediction that a breakout is about to happen. It is the indicator saying that current movement has not earned a directional commitment.
🔸 HOW THE ENGINE WORKS
IQ Trender combines three separate jobs: estimating the trend beneath price, deciding whether that trend is statistically meaningful, and drawing a rail that cannot wiggle backward within a committed leg.
- Track the underlying trend
A robust local-linear Kalman filter estimates the level and slope beneath the candles. Unlike a conventional moving average that applies a fixed weighting pattern, this is a state-estimation model: it updates its estimate from the difference between expected and observed price.
Large isolated deviations are reduced with a robust update, so a single wick cannot directly yank the rail to a new location. The model also adapts its measurement-noise estimate as conditions change.
⬞ - Measure the uncertainty
The filter calculates an innovation deviation - a live estimate of how much movement is normal relative to its current model. IQ Trender uses that value to size the hold band.
When conditions are noisy, the tolerance can widen. When conditions are calmer, it can tighten. This lets the same mental model adapt across different symbols, price levels, and timeframes without using one fixed distance everywhere.
⬞ - Test for commitment and change
The estimated slope is compared with its own uncertainty to produce conviction. Hysteresis uses separate thresholds for entering and leaving a committed trend, helping prevent repeated state changes near one boundary.
A two-sided cumulative change test also monitors standardized price surprises. That evidence helps the rail distinguish a genuine opposing change from ordinary counter-movement when a leg is already active.
⬞ - Draw the rail
The visible rail is a separate, slew-limited ratchet guided by the Kalman center. Once an upward leg begins, the rail can only move upward until a valid reversal or hold condition is reached. Once a downward leg begins, it can only move downward.
That monotone-within-leg behavior is what creates IQ Trender's signature geometry: flat holds connected by clean directional ramps instead of a line that bends around every candle.
🔹 THE ADAPTIVE HOLD BAND
The shaded band is the rail's live range corridor.
While the rail is holding, the band opens around it to show the volatility-adjusted area in which price can move without forcing a directional leg. When the rail commits to a trend, the displayed band eases shut onto the rail because the model has left its holding state. When the rail becomes flat again, the band gradually reopens.
The band should be read as a model tolerance, not as conventional support and resistance. Price moving within it means the model can continue to hold. Movement beyond it contributes evidence for a new leg, but it is not, by itself, a guaranteed breakout or trade entry.
🔸 COLOR, GLOW & CONVICTION
IQ Trender communicates direction and commitment through one coordinated visual system:
- Rising color - active upward leg.
- Falling color - active downward leg.
- Holding color - neutral, flat state.
- Glow intensity - visual emphasis derived from the current conviction reading.
Conviction measures how strongly the estimated slope differs from zero relative to the model's uncertainty. It is a statistical strength reading, not the probability that a trade will win.
The palette is generated in the Oklab perceptual color space. Hue, lightness, and vibrancy can be adjusted as a coordinated system, while out-of-gamut colors are compressed toward neutral instead of clipping harshly.
Accessibility controls include deuteranopia, protanopia, and tritanopia modes, plus automatic contrast correction against the chart background. A selectable contrast target helps keep the rail and directional Radar accents legible across light and dark themes.
🔹 TRENDER RADAR
The Trender Radar is the live scorecard in the corner of the chart. It reports:
- State - HOLDING, RISING, or FALLING.
- Conviction - normalized trend commitment from 0-100%.
- Slope - the rail's current rate of change per bar.
- Hold Band - the current full width of the adaptive range corridor.
- Behavior - the active Speed and Pursuit combination.
With Log Geometry enabled, slope is displayed as a percentage per bar and band width is expressed as a percentage of the rail. With linear geometry, both are shown in price units.
The Radar can be moved to any chart corner or disabled entirely.
🔸 GHOST FORECAST
The Ghost Forecast is a translucent forward projection of the rail's current slope.
Its centerline extends the rail's recent trajectory. The surrounding cone widens with distance to communicate increasing uncertainty, then fades away toward the horizon. Two growth modes are available:
- √h - tighter near the live bar, then gradually widening like a random-walk spread.
- Linear - uncertainty expands at a constant rate.
The forecast is rebuilt only at the live edge and never painted into historical bars. It can also be displayed while the rail is holding, where its centerline remains flat.
This feature is a trajectory read, not a price target. It answers, Where is the rail currently heading if its present slope persists? It does not answer, Where will price trade?
🔹 FLIP MARKERS & ALERTS
Optional markers identify confirmed changes in rail state:
- ▲ - committed to a rising leg.
- ▼ - committed to a falling leg.
- ◇ - flattened back into a hold, when hold markers are enabled.
Markers are created only on confirmed bars. Once printed, they do not move.
Matching alert conditions are included for:
- Trender committed to a rising trend.
- Trender committed to a falling trend.
- Trender flattened into a hold.
These alerts report state changes in the model. They are not automated trade recommendations and should be interpreted in the context of the symbol, timeframe, market structure, and the user's own risk process.
🔸 SPEED - THE OVERALL TEMPO
Speed changes the rail's pursuit rate and the width of its hold zone together:
- Glacier - calm, structural behavior for slower or higher-timeframe reading.
- Slow - patient swing behavior with a wider hold zone.
- Balanced - the recommended reference setting, balancing hold and tracking.
- Fast - more reactive behavior for shorter intraday movement.
- Scalp - the tightest and quickest micro follower.
Slower settings generally require more displacement and move the rail more gradually. Faster settings use a tighter band and pursue price more aggressively. A faster preset is not automatically better: responsiveness and noise rejection are opposing trade-offs.
🔸 PURSUIT - HOW A COMMITTED LEG MOVES
Pursuit changes the shape of an active leg without changing the underlying trend evidence:
- Steady - a constant-speed ramp established when the leg begins.
- Eased - pursuit speed scales with conviction and feathers toward the estimated center.
- Snap - the most decisive pursuit, with a higher movement rate and faster conviction scaling.
On slower Speed presets, Snap can appear more step-like. Steady produces the cleanest constant ramps, while Eased creates a softer approach.
🔹 HOW TO READ IQ TRENDER
- Start with state
Flat rail means the model is holding. Rising or falling rail means it has committed directionally. This gives the chart an immediate range-versus-trend read before any number is considered.
⬞ - Weigh the leg
Use conviction, glow, and slope together. A bright rail with firm slope represents stronger model commitment. Fading conviction says the trend estimate is becoming less distinct from noise; it does not guarantee an immediate reversal.
⬞ - Watch the sequence
One useful continuation framework is:- Rising rail.
- Flat hold during consolidation or pullback.
- New rising marker and renewed upward rail.
The bearish sequence is the inverse. This is a way to organize market context, not a complete entry system.
⬞ - Keep the forecast in its proper role
Use the Ghost Forecast to visualize current trajectory and uncertainty. Do not treat the cone edge or centerline as a promised future level.
⬞ - Confirm with your own process
IQ Trender can be combined with price structure, volume, liquidity, momentum, or a trader's existing risk framework. No single state, marker, or Radar value should replace position sizing and independent confirmation.
🔸 INPUTS
Behavior
- Speed
- Pursuit
Source & Geometry
- Price Source
- Use Log Geometry
Close with Log Geometry enabled is the recommended general-purpose setup for ordinary positive price series. Log mode keeps slope and band behavior proportional across different price levels.
Rail, Band & Glow
- Hold Band on/off
- Band transparency
- Rail Glow on/off
- Glow intensity
- Glow spread
- Rail line width
Colors
- Rising, Falling, and Holding anchors
- Global hue rotation
- Lightness adjustment
- Vibrancy adjustment
- Conviction Color response
Accessibility
- Color-Blind Mode
- Auto Contrast
- Contrast Ratio
State Readout
- Show Trender Radar
- Radar location
Forecast
- Ghost Forecast on/off
- Horizon in bars
- √h or Linear cone growth
- Show While Holding
Markers
- Flip Markers on/off
- Optional hold markers
- Marker size
🔹 NON-REPAINTING BEHAVIOR
IQ Trender is calculated causally with no future-bar lookahead.
Confirmed historical rail values and confirmed flip markers remain where they were calculated. The current, still-open bar can update as new price arrives, as any live indicator can. The Ghost Forecast is intentionally rebuilt at the live edge because it represents the rail's current slope and uncertainty; it does not rewrite historical bars.
What was confirmed in history stays confirmed. What is still live remains live.
🔸 LIMITATIONS & HONEST NOTES
- IQ Trender is an indicator, not a validated trading strategy. It makes no performance, win-rate, profit, or edge claim.
- Kalman filtering is still a causal estimation process. It reduces noise but cannot remove lag, uncertainty, or false transitions.
- Faster settings react sooner but can respond to more noise. Slower settings filter more movement but can confirm later.
- A Holding state identifies insufficient directional commitment in this model; it does not guarantee that price will remain inside a range or that a breakout is imminent.
- Conviction measures the strength of the estimated slope relative to uncertainty. It is not a probability of future direction or trade success.
- The Ghost Forecast extrapolates the rail, not price. It is a visual scenario if the current trajectory persists, not a target or prediction.
- Alerts and markers identify model state transitions only. They should not be treated as standalone entries or exits.
- Results depend on symbol behavior, timeframe, data quality, and the selected Speed/Pursuit combination.
IQ Trender is built to make one difficult market question easier to see:
Is the market still ranging, or has a trend actually committed?
One rail. Three states. No hindsight redraws.
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Feragatname
Bilgiler ve yayınlar, TradingView tarafından sağlanan veya onaylanan finansal, yatırım, alım satım veya diğer türden tavsiye veya öneriler anlamına gelmez ve teşkil etmez. Kullanım Koşulları bölümünde daha fazlasını okuyun.
Açık kaynak kodlu komut dosyası
Gerçek TradingView ruhuyla, bu komut dosyasının mimarı, yatırımcıların işlevselliğini inceleyip doğrulayabilmesi için onu açık kaynaklı hale getirdi. Yazarı tebrik ederiz! Ücretsiz olarak kullanabilseniz de, kodu yeniden yayınlamanın Topluluk Kurallarımıza tabi olduğunu unutmayın.
Get Access To Our Tools: tradingiq.io
Subscribe For Daily Content: youtube.com/watch?v=Gx_cW29BUds
Subscribe For Daily Content: youtube.com/watch?v=Gx_cW29BUds
Feragatname
Bilgiler ve yayınlar, TradingView tarafından sağlanan veya onaylanan finansal, yatırım, alım satım veya diğer türden tavsiye veya öneriler anlamına gelmez ve teşkil etmez. Kullanım Koşulları bölümünde daha fazlasını okuyun.