Finance — dx/dt = z + (y − a)·x, dy/dt = 1 − b·y − x², dz/dt = −x − c·z. Classic chaotic a=0.001 b=0.2 c=1.1. RK4, not Bouali (x·(4−y)+α·z), not Genesio–Tesi (y,z,−cx−by−az+x²), not Arnéodo–Coullet–Tresser, not Sprott–Linz A, not sprott.html, not Newton–Leipnik, not Rabinovich–Fabrikant, not Nosé–Hoover, not Rucklidge, not Wang–Sun, not Lü, not Chen, not four-wing Qi, not Dadras, not Halvorsen, not Chua, not Aizawa, not Thomas, not Rössler, not Lorenz butterfly, not Newton basins. Gold low-alpha trail, cap 650. RM = settled silhouette, no animate-on.