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Trading Strategy Based on Pivot Points Analysis [ ru ]IntroductionPivot Points (PP) analysis is one of the simplest and most effective strategies for high intraday volatility markets. It was used as early as in the precomputer times, when traders working at stocks could not use any ADP equipment, except for counting frames and arithmometers. Analysis of this kind can often be found in a number of articles on technical analysis in the sections devoted to excursions into history. The main advantage of this technique is its computational efficiency that allows traders to make calculations mentally or on a sheet of paper. Since four arithmetic operations are used in calculations, every trader using this technique always wanted either outrun the competitors or, at least, "outcalculate" them. Correspondingly, there are many formulas to calculate pivot points and support/resistance levels (see examples in the table below).
Problems and DisappointmentsIn the world of probability Forex also relates to, finding of a Pivot Point with unique computing result is something like an oasis in a desert. This unambiguity and simplicity of arithmetics attract novice traders. However, this notorious unambiguity is the result of arithmetic operations and has no relation to Forex. The duality of this situation irritates, in case the results of calculations performed by traders using data from different DataCenters are different. The differences between the results and the forecasts of analyst Rudolph Axel, the acknowledged leader in Pivot techniques application, are even more irritating. Let us try to separate the husk from the grain. Not All RosesTo generate a pivot point and support/resistance levels for a future period of time, Pivot Points Analysis uses the minimal amount of inputs: High, Low and Close of the preceding tick period. Initially, such period was a trading session. Far back in the past, when the main rules of Pivot and support/resistance levels were developed, a "trading session" and a "trading day" were perhaps the same. At present, the trading day time in forex consists of three main trading sessions, so attempts to use the rules of the Pivot Points Analysis without taking these change into consideration are not quite correct. Time is the parameter that is present in trading, but not shown in calculating formulas. In our topic under consideration, it determines High, Low and Close of the period used in calculations. This is the first "thorn" in the idea. Another "Thorn"It's the terminal's internal time. Instead of being the same (GMT) in all the terminal, it is different in different Data Centers. This results in an interesting effect: the time within which a candlestick is formed is the same for only timeframes smaller than H1, then there are divergences observed. So the analysis, or its reliability and unambiguity on charts of different Data Centers, is open to question. To exclude the situation when the internal terminal time influences calculations,
it is necessary to use onehour candlesticks corrected for the difference between
the terminal time and GMT. The Third "Thorn"We want to use onehour candlesticks, but we can only get them in the manual mode,
separately for each currency pair. The author does not mean an advanced programmer,
but, for example, a physician or an economist. On Computational AccuracyThe table below gives absolute values of Pivot levels at different values of Close, and the absolute value of deviations in points.
Deviation of the period close price (or the summarized deviation of H+L+C) by 30
points results in the error of 10 points. Quick CalculationThe classical formula is as follows: PP = (HIGH + LOW + CLOSE) / 3 A variation looks like this: PP = (H + L) / 2 Suppose H = 1.9100, L = 1.9000, Range = 100. Then, by definition, "Close" must be within the range of 1.9000 – 1.9100.
We can see that the deviation of the close price from (H+L)/2 up to 30 points results in an error within 10 points. It means that if the movement has not started and the price does not break High and Low levels, stays somewhere in the middle of the range, we get a PP using Andrews' Pitchfork directly in the chart, whereas deviations are within 10 points from Axel's data. Moreover, I didn't do it myself due to absence Axel's archives. Something may be done through searching in Axel's Forecast and (H+L+C)/3, (H+L)/2 (on the preceding session). Support/Resistance LevelsThe formulas are given above. It is necessary to avoid the erroneous assumption about comprehension unambiguity of calculation results, such as R3 = 1. 9356, nothing more or less than that, and accept the following calculation order. The support/resistance level calculation result is accurate up to the nearest support/resistance level of the real history in the chart. This is what Rudolph Axel demonstrates us, actually. Example: "The intraday EURJPY: The pair is traded near the minor resistance of 158. 38 (maximum of the 9th of February). If this level is broken through, the pair will aim at 158.76 (maximum of the 14th of February). The minor support is located near 157.78 (minimum of Wednesday) and at 157.28." ConclusionI haven't found any theory that would prove or disprove the Pivot Point or Support/Resistant Levels calculation results. We will use the generalized, accepted by practically all scientists rules: "Practice is the sole criterion of truth". Experienced traders in all around the world consider these reference values to be rather close to the truth with rather high statistical advantage over coin tossing. One may dispute the usability, correctness and accuracy of these calculations as long and wellreasoned as one like. However, simple formulas and monotonicity of their usage allow a trader of any level to gain experiences and find legs. "Begin at the beginning." P.S. The article was prepared by Moderator of forum www.forum.profiforex.ru, Vladimir aka dedd. Translated from Russian by MetaQuotes Software Corp.
Original article: http://articles.mql4.com/ru/332
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