vitohuang
1. Buy-side - ETF for companies leading in clean water or purification, or the second level that companies provide components for those companies in the first group.
2. Sell-side - bet on the companies will do badly in the situation e.g big polluters.
But the hard thing is timing, you can sit there for decades for the outcome and so many factors can affect your bet between now and then.
I never touch naked options, From what you described
1. You get paid the price/premium for selling options (call/put).
2. Selling naked put
3. Selling naked call
Is that right?
I was thinking about debit/credit spreads options, so broker won't lock up $156.41 * 100 * X amount for the options period (e.g $15641 in your previous comment)
Looking at the AAPL options on yahoo finance, I can't find any puts that cost $156.41, even those in the money 2020 options.
How did you get selling a put cost same as the underlying share price?
I thought one of point of options pricing is you don't need to put up the same amount as owing the shares.
To make the experience even better, try replace ssh with Mosh
Its perfect for mobile or desktop.
Also changing from bash to fish will make it even better.
https://www.amazon.co.uk/Mathemagics-Genius-without-Really-T...
This is awesome book, it teach you all sort of tricks from 3 digits addition to 3 digits multiplication.
I know its written for school teens, but still pretty helpful life skills.
Better approach will be combine d3 with reactive js like React/Vuejs for dynamic data
This is a globe https://bl.ocks.org/mbostock/ba63c55dd2dbc3ab0127
then just provide/change the data
https://github.com/CamDavidsonPilon/Probabilistic-Programmin...