'Ghost number' 6174: Meet Dattatreya Ramchandra Kaprekar, the Indian schoolteacher who discovered a mysterious 4-digit number that almost always returns to itself

Dattatreya Ramchandra Kaprekar, an Indian schoolteacher, discovered the intriguing number 6174. This constant emerges from a simple four-digit number rearrangement process. Repeatedly applying this ...
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I Fixed the Buying Method and Only Changed the Selling Method — The One That Grew the Most Was the 'Sell the Least' Exit

When talking about strategy, people usually focus on 'when to buy.' Golden crosses, RSI, breakouts — these are all about 'buy signals.' However, 'when to sell' when to sell (the exit) is surprisingly ...