\begin{table}[htbp] \centering\scriptsize \caption{Task C — probability of an index decline over the horizon: Brier score and Brier skill score relative to the climatological frequency of declines}\label{tab:decline_b} \resizebox{\textwidth}{!}{% \begin{tabular}{lrrrrrrrr} \toprule Model & h=1: Brier & h=1: skill & h=3: Brier & h=3: skill & h=6: Brier & h=6: skill & h=12: Brier & h=12: skill \\ \midrule No change & 0.244 & -0.01 & 0.217 & -0.02 & 0.179 & -0.01 & 0.090 & -0.01 \\ Mean growth & 0.249 & -0.04 & 0.226 & -0.06 & 0.187 & -0.06 & 0.099 & -0.12 \\ Momentum & 0.240 & +0.00 & 0.205 & +0.03 & 0.171 & +0.03 & 0.089 & -0.01 \\ AR(2), cell & 0.244 & -0.01 & 0.208 & +0.02 & 0.176 & +0.00 & 0.089 & -0.01 \\ Ridge (panel) & 0.231 & +0.04 & 0.188 & +0.11 & 0.186 & -0.05 & 0.095 & -0.07 \\ LightGBM (panel) & 0.219 & +0.09 & 0.181 & +0.15 & 0.174 & +0.02 & 0.090 & -0.02 \\ TFT-lite & 0.275 & -0.14 & 0.223 & -0.05 & 0.186 & -0.05 & 0.095 & -0.07 \\ BHPF & 0.226 & +0.06 & 0.184 & +0.13 & 0.179 & -0.01 & 0.097 & -0.10 \\ RAREF & 0.226 & +0.06 & 0.194 & +0.09 & 0.185 & -0.05 & 0.094 & -0.07 \\ QANSS & 0.226 & +0.06 & 0.197 & +0.07 & 0.181 & -0.03 & 0.180 & -1.04 \\ DSGFN & 0.252 & -0.05 & 0.182 & +0.14 & 0.170 & +0.04 & 0.096 & -0.08 \\ QREFA & 0.234 & +0.03 & 0.176 & +0.17 & 0.166 & +0.06 & 0.097 & -0.09 \\ \bottomrule \end{tabular}} \par\vspace{3pt}\parbox{\textwidth}{\footnotesize Probabilities are read off the five-quantile forecasts by linear interpolation of the quantile function. Skill = $1 - $ Brier / Brier of the constant climatological probability.} \end{table}