Complexity researchers who study the behavior of stock markets may have identified a signal that precedes crashes.
They say the telltale sign is a measure of co-movement, or the likelihood of stocks to move in the same direction. When a market is healthy, co-movement is low. But in the months and years before a crash, co-movement seems to grow.
Regardless of whether stock prices go up or down or stay the same, they do so in tandem. People are copying each other, and a small nudge can send everyone in the same direction. The system appears primed for collapse.
“One of the most important things happening now is that economists are trying to understand, what is systemic risk? When is the entire system vulnerable to disaster? Our results show that we have a direct, unambiguous measure of that vulnerability,” said Yaneer Bar-Yam, president of the New England Complex Systems Institute.
Seen through an econophysicist’s eyes, a stock market panic is an avalanche.
Bar-Yam’s findings, released Feb. 13 on arXiv, are part of an emerging research field known as econophysics. It applies to economics insights from the physical world, especially from systems in which networks of interacting units produce radical collective behaviors.
Heated water turning to gas is one such behavior, known technically as a phase transition. Another is snow gathering into an avalanche. Seen through an econophysicist’s eyes, a stock market panic is an avalanche, too.
Many improbable occurrences conspired to create Earth’s human-friendly design, and they would indeed be puzzling if ours were the only solar system in the universe. But today we know of hundreds of other solar systems, and few doubt that there exist countless more among the billions of stars in our galaxy. Planets of all sorts exist, and obviously, when the beings on a planet that supports life examine the world around them, they are bound to find that their environment satisfies the conditions they require to exist.
Many people would like us to use these coincidences as evidence of the work of God. The idea that the universe was designed to accommodate mankind appears in theologies and mythologies dating from thousands of years ago. In Western culture the Old Testament contains the idea of providential design, but the traditional Christian viewpoint was also greatly influenced by Aristotle, who believed "in an intelligent natural world that functions according to some deliberate design."
That is not the answer of modern science. As recent advances in cosmology suggest, the laws of gravity and quantum theory allow universes to appear spontaneously from nothing. Spontaneous creation is the reason there is something rather than nothing, why the universe exists, why we exist. It is not necessary to invoke God to light the blue touch paper and set the universe going.
Our universe seems to be one of many, each with different laws. That multiverse idea is not a notion invented to account for the miracle of fine tuning. It is a consequence predicted by many theories in modern cosmology. If it is true it reduces the strong anthropic principle to the weak one, putting the fine tunings of physical law on the same footing as the environmental factors, for it means that our cosmic habitat—now the entire observable universe—is just one of many.
Simon-Pierre Laplace was a Very Clever Man who did many Very Clever Things. Unfortunately, like many clever men, having got hold of a Brilliant Idea he was rather inclined to go off and use it on everything in sight, which led to a number of Very Odd Conclusions. In fact as far as science goes, he may well have been the original man with a hammer; taking aim at every problem as though it was a nail.
As is the way of these things economists got hold of Laplace’s ideas, converted them to their own and started developing delicate and intricate webs of theories and practices. Unfortunately, over the succeeding three hundred years they’ve failed to keep up with advances in physics and biology, rather leaving economists as the only believers in an approach that suggests we have no free will, a position from which they’re having to be dug out and defused, one unexploded theorist at a time.
When Isaac Newton published his theory of gravity he knew it contained a serious flaw; his equations didn’t exactly match what was observed. He reckoned, correctly, that the differences between his theory and the observations were down to the gravitational effect on the planets of other planets – so called perturbations, which he didn’t know how to mathematically model. He said:
“But to consider simultaneously all these causes of motion and to define these motions by exact laws admitting of easy calculation exceeds, if I am not mistaken, the force of any human mind.”
And, of course, he was mistaken. The force of Laplace’s mind successfully solved the problem. Having achieved this, though, Laplace went a stage further. Because he could exactly calculate the position of any planet he could compare this with the results of observations from astronomers. What he discovered changed human history.
It turned out that observers made errors, but they made them in a particular way – their observations fell about the actual position of the planet in a very distinctive pattern. This pattern, of course, was the ultra-familiar Bell curve or normal distribution. Laplace realised that human error was statistically quantifiable and, therefore, could be effectively eliminated from the data. This…
Six of the eight indexes in my international focus group posted losses over the past week, and for the three European indexes and the Japan's Nikkei, the declines were relatively step. The two winners were India's SENSEX, topping our list for the second week after four weeks at the bottom of the heap, and China's Shanghai Composite. The S&P 500 logged a fractional loss, ending an eight-week streak of gains. France's CAC 40 fared the worst with its 3.86% selloff.
The 2.31% loss for the Nikkei somewhat masks the fact that the index is down 4.33% from its interim high set on Tuesday.
The Shanghai Composite remains the only index on the watch list in bear territory -- the traditional designation for a 20% decline from an interim high. See the table inset (lower right) in the ...
“We need some recognition that we’re doing a service to the community. But we can’t do it for free. And we can’t do it at a loss. No other business would do that,” exclaims the president of the California Medical Association, as The Washington Examiner reports, independent insurance brokers estimate 70% of California's 104,000 licensed doctors are boycotting the exchange. “The Covered California board says we have plenty of doctors, and they allege they have 85 percent of doctors participating, but they’ve shown no numbers," and if a large number of doctors either balk at participating in the excha...
ZIOPHARM Oncology (Nasdaq: ZIOP) today announced positive interim results from its ongoing Phase 1/2 study of Ad-RTS-IL-12, a novel DNA-based therapeutic candidate that is being evaluated with the oral activator, veledimex, in patients with advanced melanoma. The results from this multicenter study were presented at Melanoma Bridge 2013 Conference at the session "Best Abstracts on News in Immunotherapy", an international conference co-sponsored by Istituto Nazionale Tumori Fondazione, Sidra Medical and Research Center, and the Society for ImmunoTherapy of Cancer that is being held in Naples, Italy.
BIG – Big Lots, Inc. – Shares in the largest U.S. broadline closeout retailer are down big today, with the stock dropping nearly 14% to $32.00, the lowest level since August 23rd., after Big Lots posted a wider than expected third-quarter loss of $0.18 a share on revenue that came in below the average analyst estimate for the metric.
December expiry options changing hands on Big Lots in the early going today indicate some traders are positioning for the price of the underlying to sell down further during the next couple of weeks. Traders appear to have purc...
As the charts last week indicated might happen, the S&P 500 has fallen four straight days and failed to hold its breakout above 1800 while the Dow Jones Industrials lost 16,000. Only the NASDAQ is still holding on to its breakout above 4000. Although the Basic Materials sector was the leader on Wednesday, the Technology sector was strong, as well, and in fact Tech stocks have been the strongest over the past week and the past month.
As markets finally show a willingness to pullback somewhat from their torrid pace, the bears are trotting out every naysayer they can lay their hands on to scare investors away, including smart folks like Carl Icahn, who is “very cautious,” and Nobel Prize winner Robert Shiller and his stock market “bubble” assertions. Sure, valuations are high on a historic...
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This post is for all our live virtual trade ideas and daily comments. Please click on "comments" below to follow our live discussion. All of our current trades are listed in the spreadsheet below, with entry price (1/2 in and All in), and exit prices (1/3 out, 2/3 out, and All out).
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These rallies are becoming familiar. In early July we saw a streak of 12 of 13 sessions in a row up, early September 11 of 12, and mid October 11 of 13 (current streak). It is a bit uncanny the similarities and how the escalator goes straight up in vertical ascent as we see indexes come out of mini corrections during QE. So we are about at the same stage where the last two began to tire, so it will be interesting if this is similar or if the current consensus of the market that there is nothing to worry about until next year as the Fed and D.C. are both off the table and this 3% annual growth rate in earnings we are now seeing in the S...
Welcome to the fouth update of the IRA Virtual Portfolio. First I am going to summarize the current state of the Portfolio then I will get into all the activity we had during September expiration.
Profit and Loss – Net of closed positions the portfolio is up a total of $769
Market Commentary – Last expiration I said, "I would like to put a total of $20,000 to work by the end of SEP expiration. If the VIX pops up to around 20 I plan to put about $50,000 total to work." The market didn't quite reach the goal but I did manage to deploy $15,000 of buying power. I still feel the market is too high and expect a correction during October. If the vix pops up to around 20 I still plan to put about $50,000 to work. If a correction doesn't happen I still plan to have a total of $25,000 in buying power put to work by October expiration. Now on to the act...
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Come and get it! Read all about it! Biotechs, biotechs and more biotechs to buy buy buy for your portfolio! To date, almost 30 biotech companies have hit the market. Most of the time, there are fewer than 10-12!
For the last five years, biotechs have had issues obtaining offer prices above expectations. In 2013, that trend looks to be broken. According to BiotechNow, the offer prices are 4% above expectations! In addition, biotechs are going public with little more than a wing and a prayer (pre-clinical or Phase 1 data only). Really? What this means is that the drug or technology looks good in mice, rats, or dogs, etc, but there is no smidgen of evidence that it will work in humans. That's what is called an appitite for RISK!
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