Statistical arbitrage faces different regulatory situations in different countries or markets. In many countries where the trading security or derivatives are not fully developed, investors find it infeasible or unprofitable to implement statistical arbitrage in local markets.
It has also been argued that the events during August 2007 were linked to reduction of liquidity, possibly due to risk reduction by high-frequency market makers during that time. 10
Statistical arbitrage is also subject to model weakness as well as stock- or security-specific risk. The statistical relationship on which the model is based may be spurious, or may break down due to changes in the distribution of returns on the underlying assets. Factors, which the model may not be aware of having exposure to, could become the significant drivers of price action in the markets, and the inverse applies also. The existence of the investment based upon model itself may change the underlying relationship, particularly if enough entrants invest with similar principles. The exploitation of arbitrage opportunities themselves increases the efficiency of the market, thereby reducing the scope for arbitrage, so continual updating of models is necessary.
Adding binary numbers in C++
In certain analog logic, the state of the circuit is often expressed ternary. This is most commonly seen in Transistor–transistor logic using 7406 open collector logic. The output is said to either be low (grounded), high, or open (high-Z). In this configuration the output of the circuit is actually not connected to any voltage reference at all. Where the signal is usually grounded to a certain reference, or at a certain voltage level, the state is said to be high impedance because it is open and serves its own reference. Thus, the actual voltage level is sometimes unpredictable.
A rare "ternary point" is used to denote fractional parts of an inning in baseball. Since each inning consists of three outs, each out is considered one third of an inning and is denoted as .1. For example, if a player pitched all of the 4th, 5th and 6th innings, plus 2 outs of the 7th inning, his Innings pitched column for that game would be listed as 3.2, meaning 3⅔. In this usage, only the fractional part of the number is written in ternary form.
Simulation of ternary computers using binary computers, or interfacing between ternary and binary computers, can involve use of binary-coded ternary (BCT) numbers, with two bits used to encode each trit. 4 5 BCT encoding is analogous to binary-coded decimal encoding. If the trit values 0, 1 and 2 are encoded 00, 01 and 10, conversion in either direction between binary-coded ternary and binary can be done in logarithmic time. 6 A library of C code supporting BCT arithmetic is available. 7
The value of a binary number with n bits that are all 1 is 2n − 1.
Nonary (base-9, each digit is two ternary digits) or septemvigesimal (base-27, each digit is three ternary digits) can be used for compact representation of ternary, similar to how octal and hexadecimal systems are used in place of binary.
Ternary is the integer base with the lowest radix economy, followed closely by binary and quaternary. It has been used for some computing systems because of this efficiency. It is also used to represent three-option trees, such as phone menu systems, which allow a simple path to any branch.
Some ternary computers such as the Setun defined a tryte to be six trits 8 or approximately 9.5 bit (holding more information than the de facto binary byte). 9
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Use a Consistent Style When using bullet points, make sure that they have a consistent style. This means that:
Know When NOT to use Bullet Points Increasingly, audiences are turned off by slides that contain nothing but a list of bullet points slide after slide. They are asking "What is relevant here for me to know in order to make a decision in my business?" Make sure you are also using visuals to convey the key points of your message. Visuals can be graphs, diagrams, pictures, videos or combinations of the above. If you want to know how to create persuasive PowerPoint visuals, check out my books Present It So They Get It and Select Effective Visuals.
A Bullet Point is Not a Sentence Too many times a presenter puts an entire sentence as a bullet point. This defeats the entire purpose of the bullet point, which is to convey the key point only. It also tends to lead to the presenter reading each bullet point. If you plan to just read each bullet point, save the audience the time by just e-mailing them your slides and they can read the points on their own.
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The topic that my electronic finger pointed to online when I opened the online Basic Tutorial was Lesson 6.2: Channeling Technique. These four graphs and the accompanying explanation give a tantalizing taste of what you can learn when you take The EWI Basic Tutorial.
That's exactly how I chose this excerpt from EWI's Basic Tutorial to show how clear the writing and illustrations are. The one best place to start learning about wave analysis is this online tutorial, which is available to all Club EWI members -- a membership that is free and that brings you many resources about the kind of technical analysis and forecasting that we do here at Elliott Wave International.
Excerpted from The EWI Basic Tutorial
Susan C. Walker writes for Elliott Wave International, a market forecasting and technical analysis company.
The initial channeling technique for an impulse requires at least three reference points. When wave three ends, connect the points labeled "1" and "3," then draw a parallel line touching the point labeled "2," as shown in Figure 2-8. This construction provides an estimated boundary for wave four. (In most cases, third waves travel far enough that the starting point is excluded from the final channel's touch points.)
Throw-overs are occasionally telegraphed by a preceding "throw-under," either by wave 4 or by wave two of 5, as suggested by the drawing shown as Figure 2-10, from Elliott's book, The Wave Principle. They are confirmed by an immediate reversal back below the line. Throw-overs also occur, with the same characteristics, in declining markets. Elliott correctly warned that throw-overs at large degrees cause difficulty in identifying the waves of smaller degree during the throw-over, as smaller degree channels are sometimes penetrated on the upside by the final fifth wave. Examples of throw-overs shown earlier in this course can be found in Figures 1-17 and 1-19.
If the fourth wave ends at a point not touching the parallel, you must reconstruct the channel in order to estimate the boundary for wave five. First connect the ends of waves two and four. If waves one and three are normal, the upper parallel most accurately forecasts the end of wave five when drawn touching the peak of wave three, as in Figure 2-9. If wave three is abnormally strong, almost vertical, then a parallel drawn from its top may be too high. Experience has shown that a parallel to the baseline that touches the top of wave one is then more useful, as in the illustration of the rise in the price of gold bullion from August 1976 to March 1977 (see Figure 6-12). In some cases, it may be useful to draw both potential upper boundary lines to alert you to be especially attentive to the wave count and volume characteristics at those levels and then take appropriate action as the wave count warrants.
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Call and put options are quoted in a table called a chain sheet. The chain sheet shows the price, volume and open interest for each option strike price and expiration month.
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See also: Options Chain data entry page.
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