Several trajectories for BTCUSD are presented to reach the next full cycle top. Some criteria for prediction: + BTC peaked at 18 months after BTC halving; + Pumping coefficients according to the golden ratio; + Functions are considered in their most basic form y = y0 + a*x^n.
Some comments: + The faster BTC is pumped, the lower the peak of BTC will be; + The graph can be just the average of the price line; + The graph of the quadratic function is considered the most feasible.