👉 In mathematical finance, an "upcurve" is a type of financial market structure that resembles the shape of a parabolic arch. This arch-like curve is often used to model the price behavior of securities in a market, where the price of a security increases with time and then decreases again. An upcurve can be defined as a path or series of prices that follows a specific trend over time. The trend can be upward or downward, but it must follow a certain pattern: if the price rises