Indicatore POIV di Larry Williams

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This topic contains 4 replies, has 2 voices, and was last updated by avatar opus79 4 months ago.

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  • #40702

    Buongiorno, chiedo gentilmente una codifica di un indicatore di Larry Williams col nome POIV(Price;Open Interest; Volume).

    E’ un indicatore di divergenze rialziste/ribassiste molto bello creato dal grande Williams, un indicatore che mette tutto insieme: Prezzo; Open Interest e Volume.

    La formula è questa:

    We can take this solution a step further with the following formula, which incorporates price, open interest and volume:

    CumulativeSum (Open Interest * (Close – Close.1) / (True High – True Low)) + OBV

    Let’s break this down into units. The first measure is perhaps the most important, CumulativeSum. It means we will add or subtract a value each day to an ongoing line or indicator. This is not an oscillator. This is a continual flowing line of accumulation and distribution within the market.

    The formula is calculating the cumulative sum of open interest times the net change in price, divided by the true range. We then add the OBV value to this cumulative sum.

    So we first take the net change in price (today’s close minus yesterday’s close) to get a percentage of where within the range the close was. Not all of the activity will be buying or selling; the market “tells” us what percentage of open interest goes to the buy or sell side.

    Not only that, it also means we are incorporating price and trend change into the formula.

    What we have accomplished with the formula is to continue to use trend, the direction of the close-to-close change from yesterday. However, we are still unwilling to use all of the open interest on that day. Instead we arrived at a percentage of the range, which is then our multiplier for open interest. In the old OBV technique, both days would have assigned the total volume for the day.

    The next step in the formula is to then add this value, a combination of price change and open interest into the original OBV formula. This final step combines price, open interest and volume all into one accumulation/distribution line, giving the indicator the full name of Williams POIV AD.

    While POIV presents a very different view of accumulation and distribution it is used in the same fashion. In basic terms, look for divergences (“POIV times two,” above) shows two examples of this new tool, borne from the stock market, but applied to commodities. In the futures markets, volume is not what it once was. These examples indicate that open interest is indeed a better overall measure, at least for commodities.

    This has become even truer with the advent of electronic markets. Traders really have a problem these days. There are two sessions of volume: pit and the electronic session. These can be two different things entirely. The constants are price change, close within the daily range and total open interest. What the Williams POIV AD does is combine all of these into one measure of accumulation and distribution so that we can more clearly see the inflows of money into the marketplace. That understanding also suggests that it’s better to use total volume and total open interest, not just the figures for an individual contract.

    In “Stocks on the run” (above), you can see how the divergence between this index and price in the S&P 500 has frequently been a harbinger of market rallies. The lesson here is that the indicator works on not only natural resource commodities, but also the financials.

    Preso da un sito internet, allego anche un PDF con degli esempi su grafici del POIV.

    Grazie di tutto.

    Attachments:
    1. xpoiv.pdf
    #40732

    Opus,

    da che so io non puoi utilizzare in PRT i dati relativi agli open interest.

    #40788

    Era quello che temevo Gabri, purtroppo PRT non ha i dati di Open Interest, che credo che siano dati non difficili da reperire e metterli sulla piattaforma. Il POIV di Williams è incredibile, credimi, sono abbonato al suo sito è su ogni grafico che tratta non manca mai il suo POIV, non sbaglia un colpo….ma non si possono aggiungere i dati Open Interest su PRT?….Cmq grazie di tutto x la disponibilità Gabri….chiedo aiuto anche al buon Nicolas.

    #40890

    Puoi magari fare una domanda ufficiale al centro servizi. Non ho mai letto nulla circa il poiv…conosco la rocambolesca vita di Williams e ho letto alcuni suoi lavori ma mai sentito il poiv. Mi informero!!

    #40900

    Grazie per la risposta Gabri…..ho mandato mail chiedendo di inserire i dati Open Interese sulla piattaforma PRT……ormai quasi tutte le piattaforme hanno questi valori. E’ un indicatore di divergenze…..mai visto un indicatore così micidiale sulle divergenze.

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