If you look at your chart, it shows why I selected 1887 as the likely bottom, 5 consecutive days of forming a strong bottom (box bottom) in mid November.... the bottom of the stick on the dragon fly doji in Ocotober 1842, forms the "maginot line" at 1842. Since early in October I got so many arguments why 1842 was completely insignificant, I thought it poetic justice to chose the same level for a maginot line (g).