The power of applied mathematics: Daring to be different - Reboarding the northbound train when slowing down in the curve

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The power of applied mathematics lies in its simplicity, focusing on the essence and key points of things.

The beauty of applied mathematics lies in its lack of any unnecessary language.

Differential quantitative model analysis of the profit chip ratio function curve is a sharp tool for arbitrage trading, the death saw of short selling. Elias=Jerome does not have the habit of put short selling. Only buying low and selling high, with a planned and systematic approach, in gradients and batches, discrete random variables, habitual in opening positions and layout.

Elias=Jerome's investment symbol always has an upward primary trend and long-term trend, even in a fallen stage, rescue must still be implemented, provide timely help, bottom-shovel investment trades will continue until the stock price rises.

When using the Baum-Welch algorithm model and Hidden Markov model, as well as the profit chip proportion function curve trajectory equation, a critical point is to identify the main settlement area of high-probability events, and then deploy the main capital firepower in that area; the non-main settlement areas of high-probability events can be ignored to a certain extent, thereby greatly improving the effectiveness and efficiency of capital firepower usage.

This is also the main reason why James Harris Simons, a world-class great mathematician, investor with a net worth exceeding $24 billion, philanthropist, led the establishment of Renaissance Technologies LLC in 1988, which created the most profitable investment portfolio for the company, the 'Medallion Fund', dominating Wall Street in the financial market, strategically outperforming, and consistently surpassing the stock god Warren Edward Buffett and the financial giant George Soros.

Renaissance Technologies LLC has an average annual fund return rate of over 70%. The quantitative model of the Medallion Fund is based on the improvement and extension of the Baum-Welch algorithm model by Leonard Baum, exploring the relevance of possible profits, a modification completed by the algebraist James Coase. Simons and Coase established a fund based on this, naming it 'Medallion' to commemorate their past mathematical honors.