The customs price averages all product forms and origins entering the US market. The UB NL 5-8 oz price tracks the specific product grade most relevant to retail and foodservice buyers. The two series diverge significantly in volatile markets: in PY2021 the UB reference ($14.69) ran nearly double the customs average ($7.58) as product-specific premiums spiked. For PY2025, the UB buyer reference is $8.35, roughly $1.24 above the customs reference of $7.12.