基于 SOC 职业分类
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Use when evaluating, sniping, or selling a 1/1 card. 1/1s have unique pricing dynamics — no comp data, auction discovery only.
Use when needing comprehensive comp data beyond eBay. 130point aggregates eBay + Goldin + PWCC; Card Ladder runs analytics.
Use when evaluating 1933 Goudey cards. Pre-war flagship; Lajoie #106 famous variation.
| name | group-break-economics |
| description | Use when joining or running a group card break. Per-slot pricing, fairness, and ROI dynamics. |
Group breaks split box cost across multiple buyers. ROI depends on box composition and individual luck. Most breaks favor the operator's margin over participant.
Example: Topps Series 1 Hobby Box ($150 retail)
Empirical data from 2023-2025:
Group breaks are entertainment + lottery. Treat as such, not investment.
Higher-EV breaks:
Customer-facing guidance for breakers.