Called a "broken wing butterfly," it uses puts in this case because the short strike will be below the stock price. This also ...

In a first, physicists have directly seen Hofstadter’s butterfly—a long-sought-after fractal in the quantum realm ...

A vapour sensor based on an exact replica of the butterfly-scale design will most probably be unable to selectively quantify more than ten individual vapours from their mixture. A man-made ...