Bitcoin price forecast

Rplot02Recently bitcoins have become more popular due to a huge price spike(and vice versa). Since they’re all the rage right now, I thought it would be a neat idea to do a brief time-series forecast of the Bitcoin’s price here on my site. For now, I will just leave this simple version, but later I may revisit this post and add more time-series content to it.

Let’s start with the autocorrelation function plot of the price series. This is analyzed to determine the properties of the process. If too many lags are correlated, the model may not be stationary(a mean-reverting process whose underlying statistical properties do not change). In this case, the model is not stationary, like many financial time series.

In the event of non-stationarity, the model must be differenced(xt-xt-1). This is the acf of the first difference of the series. Notice the statistically significant autocorrelations at lags 1 and 2.Rplot02 0) model will be fit.

This is a plot of the price with the forecasted prices and +- 2 standard error bands.

This is the actual vector of forecasted prices – 8 days ahead
[1] 356.9018 200.2613 277.0625 460.0757 578.4875 560.9901 460.8999 378.8422

Here is the ACF plot of the residuals. The lack of autocorrelation is an indicator that the model is explaining the process to its full potential and is a good fit.

Lastly, here is the code that produced the model.

Price

Bitcoin Dreams Endure to Savers Crushed by CPI:

2013-04-17 12:02:11 by Athenna

Argentina Credit
Banned from buying dollars and confronted by the fastest inflation in the Western Hemisphere, some Argentine savers are seeking refuge in bitcoin as a store of value even after the virtual currency’s collapse.
Argentines are trying to preserve their savings in everything from bitcoins to cars to skirt President Cristina Fernandez de Kirchner’s restrictions on buying dollars, with the peso forecast to weaken the most of any currency in the world this year and local-currency bonds suffering the worst returns in Latin America. While the price of bitcoins plunged to $79 from a high of $234 in the past week and caused Mt

The rest of it...

2014-03-18 06:18:07 by Im_Drunk

Goldman Sachs admits that the main obstacle in the development of bitcoin in the real economy is its price volatility, which right now is 20 times higher that that of the dollar of the euro. While the technically and financially trained participants of that system benefit from that as they can make real money by speculative trading of the virtual currency, the ordinary users do not benefit from that. It is much harder to forecast one's future revenues and expenses in such a situation.
But today the main drawback of the bitcoin is the uncertainty of its future, notes Vladimir Ulyanov, the head of the analytical center of the Zecurion Company

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