Master Market Gaps With Real-Time Probability For Total Data-Driven Confidence.
$229.00 One-Time
Daily Gap Fill indicator

Master Market Gaps With Real-Time Probability For Total Data-Driven Confidence.

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The Real Problem

Your Bias Isn't Killing Your Trades. Invisible Liquidity Is.

Most traders don't fail because they have a bad setup. They fail because their charting lacks institutional memory.

You load up a chart for today's session, oblivious to the fact that a massive liquidity void—a market gap—was left unfilled three weeks ago. You short the market based on a simple moving average crossover, completely unaware that price is being magnetically drawn up to fill that historical gap.

The Unfilled Gap Indicator is engineered specifically to eliminate this blind spot. It automatically maps and tracks every gap across days, weeks, and months, overlaying hard mathematical probabilities directly on your chart. It doesn’t just show you where the gap is; it calculates the exact percentage chance of it filling today.

No more guessing. No more trading into invisible magnets. You get historical data dictating optimal targets and stop-losses, turning what used to be a messy chart into a verifiable institutional edge.

You're Trading Illusions.
We Map The Mathematical Magnets.

Retail traders forget last week's price action. Institutional algorithms exploit it. Stop ignoring historical gaps.

Blind To The Past

Hand-tracking gaps is virtually impossible. You forget critical levels from weeks ago, leaving you entirely exposed to sudden, violent price action magnetically drawn to old voids.

Squeezed Into Voids

You take a seemingly perfect technical setup, only to get instantly squeezed out because the market was reaching for an unseen 100% gap-fill target you didn't even know existed.

Statistical Certainty

The Unfilled Gap Indicator perpetually tracks these levels, applying years of historical data to tell you the exact probability of a gap filling today, empowering you to trade with mathematical confidence.

Watch Once & NEVER Miss a Gap.

Unfilled Gap Indicator probability and stop loss placement live on chart

Raw Output: Real-Time Fill Probabilities & Optimal Stop-Loss Placement Live.

The Architecture Of The Indicator

Everything you need to automate your gap analysis, packed into one zero-lag C# tool.

Never Miss A Magnet

Automatically track all unfilled gaps across all timeframes from days, weeks, or months ago, so that you never get caught off guard by a sudden price movement toward historical liquidity voids.

Know Your Exact Odds

Access real-time statistical probabilities of a gap filling during the current session, so that you can size your trades confidently based on mathematical certainty rather than blind hope.

Target With Precision

Project exact 25%, 50%, 75%, and 100% gap-fill levels in both points and currency (PnL), so that you know exactly where to take profits before the institutional algorithmic reversal kicks in.

Optimize Risk Placement

Leverage statistical stop-loss placement suggestions based on thousands of previous market gaps, so that you can protect your capital tightly without getting unnecessarily wicked out of the move.

Unfilled Gap Indicator Overview tracking gaps on chart
Automated Visual Tracking

Dictate Market Context.

Stop losing track of critical levels on a messy chart. The software draws clear, undeniable lines for every unfilled gap, keeping them permanently on your radar until the market reaches them, so you can trust your bias is aligned with the true liquidity layout of the market.

  • Instantly identify gaps from days, weeks, or months ago.
  • Toggle filled gaps on/off to study previous market behavior.
  • Never trade blindly into a historical void again.
Live Probability Engine

Trade With Statistical Probabilities.

This is the only indicator that calculates how likely it is for a specific gap to fill during the current session. Get the exact percentage chance displayed live, ensuring you only commit capital to setups that mathematically favor your direction.

  • View the percentage chance of a gap filling today.
  • Identify optimal stop-loss placement instantly.
  • Remove emotion and rely entirely on historical hit rates.
Probability and Stop Loss calculations live on chart

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Gapfill statistics by range dashboard
Advanced Dashboard

Analyze Historical Behavior.

Access a full breakdown of market gap behavior. Filter historical statistics by gap size to know exactly how your instrument behaves, giving you the unbreakable confidence to hold your trades because you know a 10-point gap has a proven 70% chance of filling.

  • View statistics across all historical gap fills.
  • Understand how gap size affects the probability of a fill.
  • Filter out low-probability environments quickly.
Time Of Day Analysis

Time Your Entries.

Don't just know if a gap will fill—know when. The built-in "Time of Day" chart shows exactly when most fills historically occur for your asset, giving you the edge to step aside during chop and strike aggressively during proven high-probability windows.

  • Predict the most likely time of day for a gap fill.
  • Avoid entering trades too early or too late.
  • Align your strategy with algorithmic time-based execution.
Gapfill statistics by time of day dashboard

Trade With Confidence: Free Exchange Within 7 Days.

Gapfill targets calculated on chart
Automated Targeting

Target Incremental Profit Zones.

Stop guessing where to scale out. The indicator automatically calculates 25%, 50%, 75%, and 100% gap-fill targets in both points and currency, so you can execute partial take-profits systematically as price drives deep into the void.

  • See exact target levels drawn dynamically on the chart.
  • Scale out of positions with mathematical precision.
  • Hide or show target labels to keep your charts clean.

The Nerd Vault


Historical & Live Tracking

Displays both filled and unfilled gaps automatically across days, weeks, and months.

Statistical Dashboard

Advanced UI panel for deep historical gap analysis, including size and time-of-day breakdowns.

Live Probability Engine

Calculates the real-time probability percentage for a gap to fill during the current session.

Granular Targets

Calculates and renders exact 25%, 50%, 75%, and 100% gap-fill targets in points and currency.

Risk Management Algorithms

Outputs statistical stop-loss placement suggestions based on historical gap-fill behavior.

Universal Compatibility

Works on any NinjaTrader license level, on all timeframes/bar types, and any instrument (Futures, Stocks, Forex).


For advanced quantitative traders, this indicator calculates core values that can be referenced for systematic risk management and programmatic execution.

  • Gap Value Target: Tracks the exact Y-axis price of the current active unfilled gap target.
  • Fill Probability: Outputs the mathematically derived percentage chance of the gap filling in the current session.
  • Target Levels: Exposes the exact price coordinates for the 25%, 50%, 75%, and 100% fill levels for automated take-profits.
  • Stop-Loss Level: Outputs the recommended statistical stop-loss placement level for programmatic order management.

  • 19-Jun-2022 (v1.0.0.4) - Added option to hide stop-loss, targets, and profitability metrics. Added option to show/hide price labels for cleaner charting.
  • 07-Nov-2021 (v1.0.0.3) - Added statistics for all historical gap fills. Implemented gap-fill targets (25-100%) in points/PnL. Integrated live probability calculation for today's fill and predicted fill time logic.

Frequently Asked Questions

Everything you need to know about licensing, platform architecture, and trials.

General Info & Trials


We specialize in professional-grade indicators for NinjaTrader 8, Quantower, and Sierra Chart. Unlike competitors who use clunky "wrapper" code to port one indicator across 10 different platforms, we build natively in C# and C++ for each specific platform. This ensures maximum stability and zero-lag performance that retail alternatives simply can't offer.

Yes. We offer a highly generous 7-day risk-free trial for our indicator packages, which is practically unheard of in an industry where competitors hide behind "no trial" policies or 24-hour locked demos. If you want to test our tools even further before committing to a lifetime license, many of our products feature a low-cost monthly billing option. Buy a month to see exactly why over 12,500 traders trust us.

Absolutely. Most vendors vanish the second your payment clears. Every TradeDevils purchase or subscription includes access to our dedicated support team via Discord and email, plus ongoing software updates and video guides at no extra cost. We stand by our tech.

Licensing & Billing


Your Contact ID is in the Profile or Account Details section when you log into tradedevils-indicators.com. While competitors make you wait 24-48 hours for manual email keys, our system is entirely automated, getting you onto the live charts instantaneously.

Licenses are tied to one active machine to maintain security. However, unlike competitors who lock you to a single PC or charge you for a second key, we provide a real-time License Manager on our site. You can deactivate your home PC and activate your laptop in seconds, giving you ultimate portability for free.

Our generous 7-day trial clock only starts when you first add the indicator to a chart, not when you sign up. Because this activation-based system is already far more flexible than industry standards, we do not offer extensions. If you need more time to dial in your setup, grab a 1-month subscription.

We offer a 7-day Exchange Guarantee. Most competitors have a strict "no refunds, no exchanges" wall that traps you with software you don't like. We believe in our tools. If an indicator doesn't match your evolving strategy, contact us within 7 days of purchase and we'll swap it out.

Sierra Chart is notoriously complex with unique data handling protocols. While other vendors leave you to figure it out alone (often leading to broken trials), joining our Discord allows an admin to personally verify your setup and hand you the right templates. We guarantee you start on day one with a flawless chart.

Platforms & Technical


Cheap retail indicators look the same everywhere because they use low-resolution, aggregated "minute" data. TradeDevils tools render with 100% accuracy using high-quality tick data. You must ensure you have a professional feed (Rithmic/CQG) and that "Tick Replay" is enabled in NT8. Our indicators reveal hidden market dynamics that lesser tools are blind to.

No. TradingView is great for social charting, but its architecture cannot support the raw, tick-level data processing required for our advanced order flow tools. We refuse to "dumb down" our algorithms to fit into web-based platforms like our competitors do. We build exclusively for professional environments.

Competitor structure tools just use basic zigzag math. While our "Fractal" mode does this beautifully, our proprietary "PriceAction" mode is a volatility-adaptive algorithm based on ATR or ticks. It filters out market noise aggressively, giving scalpers an edge in volatile markets like NQ or Crude Oil that generic tools completely fail at.

Tools & Automation


No. The Footprint Indicator is a visual tool for manual trading. The Auto Orderflow Footprint Trader is a dedicated execution algorithm. Unlike competitors who bundle clunky, basic auto-execution features as an afterthought, our Auto Trader reads imbalances and delta divergences to execute trades faster than humanly possible.

Absolutely. Other "simplified" builders on the market lack algorithmic depth. Algo Studio Pro integrates institutional-grade Genetic Algorithms into a drag-and-drop, no-code interface. You get the immense power of a C# programmer to test and optimize strategies, without writing a single line of code.

Hardware & Specs


Because our tools process millions of raw order flow ticks rather than just drawing generic moving averages, they are computationally intensive. We recommend an Intel i7/i9 or AMD Ryzen 7/9, a minimum of 16GB RAM (32GB for multiple charts), and an NVMe SSD. We deliver pro performance, which requires pro hardware.

This is caused by internet latency. Retail vendors will blame the charting platform, but the truth is your residential internet is too slow. To eliminate this and get volume bubbles instantly, you must use a high-performance VPS located in the same data center as the exchange (e.g., Equinix in Chicago). TradeDevils sets you up to compete with the big players.

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Stop drawing. Start executing.