As a former Path of Exile (PoE) novice, I've used advanced trading mechanics in Path of Exile 2 (PoE2) to amass over 2,000 Divines in my first month. This guide delves into the intricacies of using weighted sum filters for trading, a method that allowed me to identify and capitalise on valuable trading opportunities that others might miss.
Basic trade filter mechanics
Item Category: Narrow your search to specific types, such as bows or wands, to find exactly what you need for your build or to flip.
Item Rarity: While often left blank, setting rarity can help with crafting scenarios, especially for magical items that are the basis for potential upgrades.
Item Level: Critical to ensuring items can roll the affixes you're looking for. For example, a level 81 wand is required for the highest spell level bonuses, such as +4 or +5 to lightning skills.
Item quality: Quality doesn't affect filtering, as the site displays stats at maximum quality, but it's good for identifying items for quality upgrades.
Equipment Filter: Set minimum or maximum stat thresholds, such as DPS for weapons or Energy Shield for armour, to find items that meet your needs without sifting through irrelevant gear.
Empty Rune Sockets: Although less practical due to space limitations, useful for those interested in rune-flipping for profit.
Level and Attribute Filters: Ensures you only see gear that your current character level or attributes can equip, saving time on inventory management.
Waystone Filters: Target specific levels or values of waystones for map improvement or trade.
Corruption Status: Preferring uncorrupted items keeps your options open for further crafting or corruption benefits.
Weighted Sum Mechanics
Basic concept: Weighted Sum allows for more flexible searches by assigning importance to different stats. Instead of requiring exact combinations of stats, you can find items where the combination of stats is valuable, even if not all of the desired stats are present.
Example with belts:
Health and Resistance: Set a baseline for health, then use a weighted sum for resistances, where you can weight each resistance type equally. This approach will catch belts with high total resistances, even if they don't have all types.
Complex example using staves:
Multiple attachments: When searching for wands, you can weight stats such as spell damage, casting speed and level of lightning skills. This method recognises the value of items with different combinations of these stats, not just those with all of them.
Double-weighted sum for magic items:
Magic Bows: Because magic items have limited affixes, you can create two separate weighted sums - one for prefixes and one for suffixes. This strategy maximises the efficiency of finding the best possible rolls for magic items without exhaustive searches.
Determine weights
Initial Assumptions: Start with an estimate based on the maximum potential of each stat. For example, flat physical damage might be considered 3.6 times more valuable than increased physical damage due to its effect at maximum values.
Adjustment: Adjust these weights through active trading and market observation. If your research doesn't yield profitable results, adjust the weights to better reflect current market demands or your strategic needs.
Active trading
Normal vs. active trading: Standard Trading looks at historical data, while Active Trading alerts you to new quotes. This instant notification system can allow you to buy undervalued stocks before the market corrects their price.
Practical use: Set alerts for equipment with specific stat combinations below a maximum price, allowing you to purchase items before they're recognised by the wider trading community.
Thank you for reading
The use of weighted sum in PoE2's trade page is revolutionary for those looking to optimise their trading strategy. It offers a nuanced approach to finding value in less obvious places that requires some experimentation to perfect, but yields significant returns. Combined with active trading, this method can significantly accelerate your currency accumulation.
If you've benefited from this advanced trading guide, please engage with the content by liking, commenting, for more in-depth analysis on trading and crafting strategies in Path of Exile 2.
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