$ cat cards/leo-stigard-update-71/faq/trading-faq-54.md
How does the swap matcher find matches for the Leo Østigård card?
card: Leo Østigård Update-71 · category: trading
[Concise Summary]
The swap matcher compares your trading partner's duplicates against your missing list. If a match contains Update-71, the tool highlights it in the trades ledger.
[Structured Data Grid]
| Match Method | Intersectional Matrix |
| Match Indicator | Green Highlight for Update-71 |
| 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 Update-71, 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 | Update-71 |
| Official Name | Leo Østigård Update-71 |
| Estimated Value | $3.22 USD |
| Album Section | Update Edition |
| Completion Mode | Optional Special Insert |