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avgBuy (Avg Buy Price)
avgSell (Avg Sell Price)
maxBuy (Max Buy Price)
maxSell (Max Sell Price)
minBuy (Min Buy Price)
minSell (Min Sell Price)
SmartAvgBuy (Smart Avg SellBuy Price)

From TSM Accounting, avgBuy and avgSell will return the average price for all purchases and sales for a particular item, respectively. In TSM 4.10, the 'Smart Averages' option has been retired in favour of a new Price Source you can reference separately and independently: SmartAvgBuy - This will return your average purchase price across your last X purchases of the item, where X is the quantity of the item you currently possess. If you do not possess the item then SmartAvgBuy will be invalid.
minBuy and maxBuy are the minimum and maximum price you've purchased an item for in your Accounting data. Conversely, minSell and maxSell are the minimum and maximum price you've sold an item for in your Accounting data.

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