No, 'Billions' is mostly a creation of the writers' imagination. It weaves a compelling narrative but doesn't draw from a single real-life account. However, it might incorporate common themes and scenarios found in the business world.
No, in the game's lore, there's no indication that Undertale has the ability to watch fanfiction. The game world is focused on its own story and mechanics, and fanfiction exists outside of that official world.
The Black Monday event was a financial nightmare. In terms of the true story for a Showtime related thing, it starts with the economic climate of the mid - 1980s. There was a boom in the stock market, and investors were very bullish. However, things started to turn sour. There were concerns about the U.S. trade deficit, and computer - based trading models that were new at the time exacerbated the selling. As stocks started to fall, it triggered a cascade of sell - offs. This led to the biggest single - day percentage drop in the history of the Dow Jones Industrial Average, and that's the real - life drama that a Showtime story could be centered around.
I'm not entirely sure specifically what 'Showtime 1996 Bedtime Stories' is about. It could be a collection of bedtime stories presented in 1996 on Showtime. Maybe it features various fictional tales for kids to listen to before going to sleep.