The British Railway Mania
How a disruptive technology created the biggest speculative bubble in the history of England
/THREAD/
*For more on the South Sea Bubble see below
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https://t.co/ggB2vFv9Ha
Isaac Newton: A brilliant scientist, a terrible investor
— Kostas \U0001f468\u200d\U0001f4bc \U0001f4c8 \U0001f4b8 (@itsKostasWithK) January 10, 2021
How Issac Newton lost $4 million due to the first stock market bubble in history and insider trading
/THREAD/ pic.twitter.com/uCU0zDVyw9
Most notable among them was George Hudson who operated 1/3 of the railway lines.
In 1845, investors started realizing the financial viability of many projects was not guaranteed and the investments were not as lucrative as they had initially thought.
The shares of the railway companies dropped below half of their peak price, with dividend rates slashed to 2%.
Hudson, also a member of the British parliament, had engaged in bribery, embezzlement, and insider trading.
/END/
https://t.co/oBjT1zycin
The British Railway Mania
— Kostas \U0001f468\u200d\U0001f4bc \U0001f4c8 \U0001f4b8 (@itsKostasWithK) January 14, 2021
How a disruptive technology created the biggest speculative bubble in the history of England
/THREAD/ pic.twitter.com/QmdO72gQMy
https://t.co/6o3A2IQCMs
List of Educational Threads on Financial Independence and Investing for Beginners#FinancialIndependence #financialeducation #financialfreedom #investing
— Kostas \U0001f468\u200d\U0001f4bc \U0001f4c8 \U0001f4b8 (@itsKostasWithK) January 3, 2021
1/ Financial Freedomhttps://t.co/8j5KG5ioFK
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The Mother of All Squeezes
How Volkswagen went from being on the brink of bankruptcy to the most valuable company in the world in two days
/THREAD/
1/ At the peak of the 2008 financial crisis, Volkswagen was considered a very likely candidate for bankruptcy.
Heavily indebted and already financially struggling before 2008, with car sales expected to plummet due to the ongoing global crisis.
2/ With GM and Chrysler filing for bankruptcy in 2009, shorting the VW stock would seem a safe bet.
If you are not familiar with stock shorts and short squeezes check my thread
3/ On October 26, 2008, Porsche announced it had increased its stake at VW from 30% to 74%.
This was a surprise to many who were led to believe that Porsche wasn't planning a takeover of VW, based on the company's announcements.
4/ Before the announcement, the short interest was approximately 13% of the outstanding shares, a number considered relatively low.
Porsche had a 30% stake, the Lower Saxony government fund held 20% of the shares, and another 5% was held by index funds.
How Volkswagen went from being on the brink of bankruptcy to the most valuable company in the world in two days
/THREAD/
1/ At the peak of the 2008 financial crisis, Volkswagen was considered a very likely candidate for bankruptcy.
Heavily indebted and already financially struggling before 2008, with car sales expected to plummet due to the ongoing global crisis.
2/ With GM and Chrysler filing for bankruptcy in 2009, shorting the VW stock would seem a safe bet.
If you are not familiar with stock shorts and short squeezes check my thread
Shorts, Squeezes, and Betting Against Stocks
— Kostas on FIRE \U0001f525 (@itsKostasOnFIRE) January 27, 2021
What is short selling, how is it used and why is it risky?
/THREAD/ pic.twitter.com/PyDd208hFe
3/ On October 26, 2008, Porsche announced it had increased its stake at VW from 30% to 74%.
This was a surprise to many who were led to believe that Porsche wasn't planning a takeover of VW, based on the company's announcements.
4/ Before the announcement, the short interest was approximately 13% of the outstanding shares, a number considered relatively low.
Porsche had a 30% stake, the Lower Saxony government fund held 20% of the shares, and another 5% was held by index funds.
More from Finance
Ok here is the explanation. Grab a cup of coffee and read on. If you have not read/noticed this, you will see intraday options movement in a new light.
Say we have two options, one 50 delta ATM options and another 30 delta OTM option. Normally for a 100 point move, the ATM option will move 50 points and the OTM option will move 30 points. But in a high volatile environment, the OTM option will also move nearly 50 points
To understand why this happens, first understand why an ATM option is 50 delta. An ATM option has the probability of 50% of expiring as ITM. The price just has to close a rupee above the strike for the CE to be ITM and vice versa for PEs
Now think of a highly volatile day like today. If someone is asked where the BNF will close for the day or expiry, no one can answer. BNF can close freakin anywhere, That makes every option of an equal probability of being ITM. So all options have a 50% probability of being ITM
Hence, when a huge volatile move starts, all OTM options behave like ATM options. This phenomenon was first observed in the Black Monday crash of 1987 at Wall Street, which also gave rise to the volatility skew/smirk
In a high IV environment or when the market is very volatile
— Subhadip Nandy (@SubhadipNandy16) January 21, 2022
" OTM options will behave like ATM options", one will get almost the same delta movement
Say we have two options, one 50 delta ATM options and another 30 delta OTM option. Normally for a 100 point move, the ATM option will move 50 points and the OTM option will move 30 points. But in a high volatile environment, the OTM option will also move nearly 50 points
To understand why this happens, first understand why an ATM option is 50 delta. An ATM option has the probability of 50% of expiring as ITM. The price just has to close a rupee above the strike for the CE to be ITM and vice versa for PEs
Now think of a highly volatile day like today. If someone is asked where the BNF will close for the day or expiry, no one can answer. BNF can close freakin anywhere, That makes every option of an equal probability of being ITM. So all options have a 50% probability of being ITM
Hence, when a huge volatile move starts, all OTM options behave like ATM options. This phenomenon was first observed in the Black Monday crash of 1987 at Wall Street, which also gave rise to the volatility skew/smirk
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THREAD: 12 Things Everyone Should Know About IQ
1. IQ is one of the most heritable psychological traits – that is, individual differences in IQ are strongly associated with individual differences in genes (at least in fairly typical modern environments). https://t.co/3XxzW9bxLE
2. The heritability of IQ *increases* from childhood to adulthood. Meanwhile, the effect of the shared environment largely fades away. In other words, when it comes to IQ, nature becomes more important as we get older, nurture less. https://t.co/UqtS1lpw3n
3. IQ scores have been increasing for the last century or so, a phenomenon known as the Flynn effect. https://t.co/sCZvCst3hw (N ≈ 4 million)
(Note that the Flynn effect shows that IQ isn't 100% genetic; it doesn't show that it's 100% environmental.)
4. IQ predicts many important real world outcomes.
For example, though far from perfect, IQ is the single-best predictor of job performance we have – much better than Emotional Intelligence, the Big Five, Grit, etc. https://t.co/rKUgKDAAVx https://t.co/DWbVI8QSU3
5. Higher IQ is associated with a lower risk of death from most causes, including cardiovascular disease, respiratory disease, most forms of cancer, homicide, suicide, and accident. https://t.co/PJjGNyeQRA (N = 728,160)
1. IQ is one of the most heritable psychological traits – that is, individual differences in IQ are strongly associated with individual differences in genes (at least in fairly typical modern environments). https://t.co/3XxzW9bxLE
2. The heritability of IQ *increases* from childhood to adulthood. Meanwhile, the effect of the shared environment largely fades away. In other words, when it comes to IQ, nature becomes more important as we get older, nurture less. https://t.co/UqtS1lpw3n
3. IQ scores have been increasing for the last century or so, a phenomenon known as the Flynn effect. https://t.co/sCZvCst3hw (N ≈ 4 million)
(Note that the Flynn effect shows that IQ isn't 100% genetic; it doesn't show that it's 100% environmental.)
4. IQ predicts many important real world outcomes.
For example, though far from perfect, IQ is the single-best predictor of job performance we have – much better than Emotional Intelligence, the Big Five, Grit, etc. https://t.co/rKUgKDAAVx https://t.co/DWbVI8QSU3
5. Higher IQ is associated with a lower risk of death from most causes, including cardiovascular disease, respiratory disease, most forms of cancer, homicide, suicide, and accident. https://t.co/PJjGNyeQRA (N = 728,160)
