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A comment on The Crash of ’87, from the Wall Street Players Who Lived It. Parent comment

Re:The Crash of ’87, from the Wall Street Players Who Lived It by Retric on Tuesday October 17, 2017 @07:47AM (#15490166)
In theory that's a big deal. In practice most people are looking at days to weeks to liquidate stock and that's not a big deal. As your holdings go up, into the billions, it can take months to years to unwind major investments without tanking the price. Further, having ~six months of living expenses outside of the market is considered prudent anyway.

However, the reality is if the market disappeared today informal markets would quickly take it's place consider what happens to pre IPO stock.

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Re:The Crash of ’87, from the Wall Street Players Who Lived It by auxym on Tuesday October 17, 2017 @08:09AM (#15490245)
Months to years to liquidate stock? For most people?

I can't imagine selling a position would have any influence on price until it's a significant percentage of the market cap. The median cap of the Russell 2000 (an american small cap index) is 809 M [0].

Do most people really have multi-million positions in a single small cap company?

https://en.wikipedia.org/wiki/Russell_2000_Index

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Re:The Crash of ’87, from the Wall Street Players Who Lived It by Retric on Tuesday October 17, 2017 @08:18AM (#15490293)
No not most people. But, if you own 60% of a company it can take a long time to unwind without impacting the price. Further the transion is smooth as selling 1 million in most stocks in a second would change the price.

Anyway, my point is simply that trades are the mechanism that changes price. So, you can't expect to sell arbitrary amounts of stock at the current clearing price.

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Re:The Crash of ’87, from the Wall Street Players Who Lived It by dagw on Tuesday October 17, 2017 @08:24AM (#15490330)
How many people own 60% of a publicly traded company?
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Re:The Crash of ’87, from the Wall Street Players Who Lived It by Retric on Tuesday October 17, 2017 @09:17AM (#15490625)
Worldwide probability less than 20. But again that's just the extreme that demonstrates what's gong on. If you ever watch a stock ticker and calculate the volume of sales needed to change the price it's less than most people assume.

+/- a few cents might not seem like much but drops can spiral with relatively small initial sales.

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Re:The Crash of ’87, from the Wall Street Players Who Lived It by Retric on Tuesday October 17, 2017 @12:02PM (#15492044)
PS: While this topic seems to annoy people I suggest you look up 'off-board' trading before dismissing the idea. EX: https://www.wsj.com/articles/SB860538568435594500

The reality is the current ticker price is only meaningful up to mid sized transactions.

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Re:The Crash of ’87, from the Wall Street Players Who Lived It by dagw on Tuesday October 17, 2017 @08:24AM (#15490326)
Even if liquidity in the stock market doesn't matter to you personally, it also allows for others build new 'products' on top of it that you might benefit from. ETFs and Index funds, for example, provide far more benefits to the average investor than access to a liquid stock market. However they wouldn't really exists in their current form (or at the very least be a lot more expensive) without a liquid marked underneath them.
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Re:The Crash of ’87, from the Wall Street Players Who Lived It by matwood on Tuesday October 17, 2017 @08:06AM (#15490233)
I hope one to one day have enough wealth that it takes months to liquidate my stocks. The number that can’t be liquidated almost instantly is very large.

Additionally, IPOs are almost priced incorrrectly, and show the problems with the informal market.

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Re:The Crash of ’87, from the Wall Street Players Who Lived It by Retric on Tuesday October 17, 2017 @08:22AM (#15490309)
I would not nessisarily say they are priced incorrectly, there is a liquidity premium. Also, post IPO there is often a tiny slice of the company on the market combined with a lot of speculation.
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Re:The Crash of ’87, from the Wall Street Players Who Lived It by wbl on Tuesday October 17, 2017 @11:02AM (#15491491)
IPO pricing is deliberate on the part of investment banks to reward some customers.
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Re:The Crash of ’87, from the Wall Street Players Who Lived It by cm2187 on Tuesday October 17, 2017 @11:43AM (#15491876)
Actually probably more to ensure that the IPO doesn't fail, i.e. that there is sufficient demand.
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