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Lot Size

Lot Size in Bell OrderFlow Pro refers to the standardized quantity of contracts or units used to analyze and display order flow and volume data for a particular instrument (like NIFTY_I).
Brick Size(Ticks)

OrderFlow chart is composed of boxes stacked on top of each other, alongside the entire candle length, with numbers in it, representing the trading activity happening within the price range of that box. Now, how much the price has to move for a new box to be formed, to show that movement and the activity within that price range is defined by the Brick size.
If current price level of your instrument is ₹25414, check which range it fits in the Brick size table, and use the matching Brick Size (Ticks) from that row to get clean and effective cluster/volume visualization.
Data Calculation Type
Currently, most Indian data vendors provide data in the 'UpDownTick' format. So, even if you select the 'BidAsk' option, the system will automatically switch to 'UpDownTick’.
Filter Data by Trade Size

Filter Data by Trade Size is a setting that allows you to display only those trades on the chart that meet or exceed a specific trade size (volume).
This helps traders focus on significant market activity by filtering out smaller, less relevant trades. If the trade size filter is set to ≥ 500, only trades with 500 or more will be shown in the bid/ask volume. Otherwise “0” would be printed.
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