What it measures: The percentage of daily sales that occur above the floor price (minimum sale price) for that day.

≥10% Premium: Sales at least 10% above floor - indicates basic demand beyond floor sweeping.

≥25% Premium: Sales at least 25% above floor - suggests collectors paying for specific traits or rarity.

≥50% Premium: Sales at least 50% above floor - indicates strong demand for rare or highly desired pieces.