$ cat cards/son-heungmin-508-2018/faq/trading-faq-54.md

How does the swap matcher find matches for the Son Heungmin card?

card: Son Heungmin 508 (2018) · category: trading

[Concise Summary]

The swap matcher compares your trading partner's duplicates against your missing list. If a match contains 508, the tool highlights it in the trades ledger.

[Structured Data Grid]

Match Method	Intersectional Matrix
Match Indicator	Green Highlight for 508
Algorithm Accuracy	100% deterministic
Complexity Class	O(N) search lookup

Detailed Investigation & Analysis

The matching logic runs checklist matrix intersections. It reads partner duplicate strings and filters for codes present in your missing list. If a match matches 508, the swap is highlighted.

Additional notes for collectors: Ensure checklist entries are verified before confirming trades. Standard trade ratios are calculated relative to card popularity.

[Album Context Specs]

Card Code	508
Official Name	Son Heungmin 508 (2018)
Estimated Value	$1.35 USD
Album Section	Korea Republic (2018)
Completion Mode	Required Checklist Item