The Gann theory is based on ancient mathematics, astrology, and natural geometry principles. You can use the strategies based on this theory to predict market movements that are up to 90% accurate.
Of course when you talk about astrology the questions rise about logic. But ancient mathematical patterns that form following basic principles its worth noting.
Also I copied the current trend pattern onto the last cycles (Nothing is changed)
Yet in the priors we see a blue loading phase, purple adjustment phase, red last accumulation phase, Parabolic run.