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Volume Detector

For any bugs, or feature requests, please follow up in this thread.

An advanced volume analysis indicator that identifies and visualizes significant volume events on your chart using dynamic or static thresholds. The indicator processes tick-by-tick data to detect unusual volume activity and displays it as colored circles or ellipses directly on the price chart.

Key Features:

Dual Threshold Modes: Choose between Static (fixed volume threshold) or Dynamic (calculated based on recent volume averages)
Real-time & Historical Analysis: Processes both live tick data and historical data for complete market analysis
Visual Volume Events: Displays volume spikes as colored circles/ellipses with customizable size, opacity, and colors
Buy/Sell Pressure Detection: Differentiates between buying and selling volume with distinct colors
Smart Circle Merging: Automatically merges overlapping volume events to reduce chart clutter
Flexible Shape Options: Choose between perfect circles or elliptical shapes that can stretch horizontally
Advanced Scaling: Dynamic circle sizing based on volume magnitude with configurable scaling factors
Performance Optimized: Configurable historical data processing limits to manage memory usage

Main Settings:

Threshold Method: Static (fixed value) or Dynamic (multiple of average volume)
Volume Multiplier: Sets how many times the average volume triggers an event (Dynamic mode)
Shape Style: Circle (perfect round) or Ellipse (oval with customizable height)
Circle Scaling: Radius, scaling factor, and maximum size limits
Colors: Separate colors for buying vs selling volume events
Historical Processing: Days to process and enable/disable historical analysis

Updates

Version 1.1

Added the option to show imbalances

Version 1.2

Performance optimizations
Fixed buy/sell ratio for merged circles (color split)
Addressed an issue where chart could freeze when zooming out quickly

Version 1.3

Imbalances are now detected right after bar close, they initially were visible only after indicator reload.

Version 1.5

Added possibility to adjust size of per level imbalances.
Added dynamic opacity option (default) - delta around 50, circle is empty, high delta more opacity.
You can filter out small volume orders with size filter, only bigger trades are taken into consideration. You may need to reduce the multiplier in dynamic mode to show more circles.
Added option to display absoprtion - High delta, price doesn'nt follow in timeout (30s), plot letter A for absoprtion.
Bug fixes

Version 1.51

Fixed bug with Absorption timeout, now it plots the A for absorption only after the timeout set in settings is elapsed - works in live mode only.

Version 1.6

Added the option to show 3 configurable order block sizes beside candlesticks, now you can spot big buy or sell orders without the need to check T&S.

Version 1.7 - 27.01.2026

Added the option to show delta map/bars, enabled by default, set threshold in settings.

Version 1.8 - 25.02.2026

Delta lines are mitigated when price closes above negative detla or below positive delta
Orderblocks have now one size filter, with number of orderblock added beside it

Version 1.81 - 14.04.2026

Changed default delta strength threshold in absorption settings to 60%
Added trapped traders section

Version 1.9 - 17.04.2026

Major code and rendering optimizations

Version 2.0 - 09.06.2026

Tick aggregation, dynamic threshold for delta bars, changed trapped traders logic, multiple bug fixes

Version 2.01 - 11.06.2026

Fixed bug causing very long load time mainly with tick aggregation disabled (set to 1), please udate to 2.01 if you have downloaded 2.0.

Category NinjaTrader 8 Indicators and More

Details: Volume Detector
Category: NinjaTrader 8 Indicators and More

October 17th, 2025
Size: 51.67 KB
Downloaded: 691 times

Comments/ratings

Endeavour Trading October 21st, 2025 09:16 AM

Really Nice!! I'm having trouble getting the indicator to show imbalances, but this is what I'm looking for. Any help is appreciated.

milehightrader October 22nd, 2025 06:42 AM

D*mned fine job, mate! Thank you!

toulouse-lautrec November 9th, 2025 02:59 AM

No Comment

l1onel November 12th, 2025 09:09 AM

Amazing, Big Thanks.
A sound alert would be great too

Falco11 December 26th, 2025 08:28 AM

No Comment

Robinhood January 3rd, 2026 01:01 AM

Good Stuff Thanks

asherrizwan January 26th, 2026 09:22 PM

Thanks

ballhaj April 18th, 2026 02:28 PM

Thank you!

TakingStock12 April 26th, 2026 02:20 AM

Awesome indie. Especially like the Trapped Traders piece. Thanks!