Research Article

A Combined Prediction Model for Hog Futures Prices Based on WOA-LightGBM-CEEMDAN

Table 1

Primary indicator system for hog futures prices.

CategoryIndicators

SupplyPiglet price
Sow price
Corn price
Soybean meal price

DemandLamb price
Beef price

Futures marketOpen interest
Volume
Basis
Spot price
Previous closing price