Roy Tang

Programmer, engineer, scientist, critic, gamer, dreamer, and kid-at-heart.

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2018 August

2018 May

2017 November

2017 May

  • All good answers in other comments, but this is the best so far. Do you have any complicated knowledge regarding: "For any stock, there is a current market value, which is (simplified) the price of the stock for the last transaction it was sold."

    Well TBH, that's pretty much it. The difference is just in semantics. The last price of the stock for any transaction isn't the market value per se. The market value is "what people are willing to pay for the stock". Usually financial analysts will have some general idea of the "expected value" of the stock, based on things like the company's profits, historical performance, how quickly it's growing, market sentiment, recent events, etc. Different analysts will use different formulas so there is no one true expected value, but typically they will fall in a small range. It's part math/economics and part crowd psychology.

    If I were to sell 1 of my stocks (worth $100) for $1 then clearly the market price would not go from 100 to 1. Is there an actual equation? Is the price changed by a certain X factor or weight applied to the number of stocks sold at that price?

    For this example, if other people valued the stock at $100 but you sold at $1, some very lucky person would likely buy your shares at $1 each, then immediately turn around and sell them at a bit less than $100 for a pretty good profit. Stock trades happen quickly, so most people wouldn't even notice (although it would register as the "low" for that stock on that day)

    To give you a better idea, here's a screenshot of the details for a stock from an online broker I use for trading. (I only trade as a side hobby, in small amounts). This is on our local stock exchange (I'm not an American), but most stock exchanges should behave around the same way.

    On the upper right on the screenshot, you can see the value for "Previous", this is how much the stock sold during the most recent transaction. "Last" is how much the stock sold for the tran

2016 March

2014 January

2013 December

  • Us Catholics have a Pope; the protestants don't. I'm not sure if the protestant religions even consider us proper Christians (edit: Of course we all believe in Jesus; what I meant by the last sentence was that I've been to places where if you say "Christian church", it refers to a place of worship that is protestant, but not Catholic).

    Catholics were around first, until the 1500s when some guy named Martin Luther started a movement that created protestantism. The protestant movement started because some people didn't like the way the Catholic Church handled things and I guess they wanted to get more back to basics (that is, focus more on the Bible rather than all the Catholic traditions) - that last part may be my personal opinion.

    The protestants have a common set of 3 fundamental beliefs: that scripture (the Bible) alone is the source of all authority (unlike Catholics that have a Pope and a Church that can decide some stuff), that faith in and of itself is enough for salvation, and the universal priesthood of believers (which means that any Christian can read and interpret and spread the word of God, unlike Catholics which have a dedicated priesthood).

    Among protestants they have different denominations - Baptists, Presbyterians, etc. They all observe the same fundamental beliefs mentioned above, but they vary in their practices and on what stuff they focus on.

2013 September

2013 August

2013 July

2013 June