| Metric | What it measures | Endpoint |
|---|---|---|
| Listing count | Active seller listings right now | count on /v1/prices/latest |
| Completed sales | Trades that actually happened | /v1/market-sales/search |
| Bulk sales export | Last 24h sales dump | /v1/market-sales/export |
A skin can show count: 500 listings and zero sales today — still liquid-looking but stale. Conversely, sales can spike while listings drop (inventory absorbed).