refers to the rate at which two currencies are exchanged one-for-another.

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1answer
39 views

If price increases over a time period, what is the best explanation(s) if hash rate goes down?

The price of bitcoin is up ~30% over the last three months, but the network hash rate is only up ~5%. How can this be explained? I assume that new, highly efficient mining chips have been produced ...
0
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0answers
6 views

How do I configure Multibit HD for simultaneous quotes on Multiple Exchanges? as used to be a screen on Multibit 5.18?

I just upgraded from Multibit 5.18 (after upgrading to Java 8). Multibit 5.18 doesn't function on Java 8. I used to compare bitcoin quote prices between multiple exchanges on Multibit 5.18 - How ...
0
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1answer
36 views

What do the red and green blocks mean in a price chart?

What do the red and green blocks mean in this price chart? Source: Tradingview
0
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1answer
33 views

Transaction for real use / transaction for changin Bitcoin in other currencies?

How can I calculate the ratio between this two type of bitcoin transaction? Is it correct divide the total volume USD of the data at this link: ...
1
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2answers
75 views

Who determines the value of BTC vs USD? [duplicate]

How is the data collected to determine Bitcoin's value? And who determines the exchange value of Bitcoin in USD? This question isn't really answered, no matter how much I research. I want to know the ...
-1
votes
1answer
36 views

How can I take the exchange rate (1-Crypto-to-USD) and convert it to the other direction? (1-USD-to-Crypto)

My Question is below: I get the value of one USD's amount in bitcoin using the last value from btc-e (In case someone finds this useful..) The btc-e api call is ...
3
votes
2answers
120 views

Why is the exchange rate of Bitcoins the same for everyone?

If I open Google and type 1 Bitcoin to Dollar I'm returned with a number (as of writing, "1 Bitcoin equals 246.09 US Dollar"). But where does this number come from? Given the decentralized nature of ...
0
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1answer
29 views

bitcoinaverage.com price precision

i noticed that from the 13th of feb 2015 the bitcoin price becomes a lot more "noisy" on bitcoinaverage.com: does anybody know whether this is actually due to bitcoin price movements becoming more ...
-1
votes
1answer
56 views

How do I calculate a hypothetical trade? [closed]

Say I had 1 Bitcoin at the start of the trade yesterday @ 01-27 14:29 and the price was USD : 263.95872470902 So, I sold the whole Bitcoin at the average price Then @ 01-29 10:57 I ...
0
votes
1answer
27 views

Transaction Duration

Given the volatile bitcoin value, how long is a transaction valid? For example, say a vendor requires X fiat currency via a bitcoin service provider. The service provider link (ie, coinbase.com) ...
0
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0answers
20 views

What is the list of proposed ideas to why Bitcoin in early 2015 dropped to $100-$200 range? [duplicate]

Currently Bitcoin is in the $100-$200 range as of Jan 14, 2015. What is the list of proposed ideas of why the BTC price has plunged this low in early 2015?
7
votes
6answers
2k views

Why did Bitcoin lose value so fast in early January 2015?

What on earth is driving the price of Bitcoin and other alternative currencies down lately? It's one thing for it to go down a bit but losing practically 80% of its value in less than a year? I feel ...
2
votes
1answer
91 views

Creating your own Bitcoin price ticker

Say that you wanted to build your own Bitcoin price ticker from scratch, and not rely on other tickers; how would you go about that? What variables would come in to play? How would you gauge the ...
1
vote
2answers
68 views

How do I make Mulitbit show the exchange rate?

I recently started using Multibit and today when I opened it the app wouldn't load exchange rates on any of my wallets. It shows my balance but not the value in dollars. I have it set to do so but ...
0
votes
2answers
38 views

Question about BTC-E fee's

I'm looking into trading on btc-e but can't find too much info on the trading fees. All I see is a general 2%. Is there a fee for trading btc in or out? What else is there? What's the 2% calculated ...
2
votes
1answer
202 views

Get available exchange rates of Ripple's built-in exchange

I'm not hundred percent sure I got the whole principle of Ripple right. But as far as I could understand it is possible to deposit a currency into my ripple account/wallet via a gateway (e.g. USD via ...
0
votes
1answer
73 views

using coinbase with uc_bitcoin drupal module

I need a simple hack to change the Drupal uc_bitcoin modules code so it gets the exchange rate from Coinbase, it is designed to use MtGox. I want to avoid using the entire coinbase API because I just ...
-1
votes
1answer
115 views

Is bitcoin an effective way to receive international payments?

I live in the UK with a GBP bank account, and recently I need to receive an amount of $115.92 from a contact in the US. We looked at a few options: International bank wire: instant no go as his US ...
0
votes
2answers
82 views

Who give initial value to Bitcoin? [closed]

I know how the process of changing BTC price ​​occur, but I curious as to what gave the initial value to BTC and whether the price of another cryptocurrency refers to the BTC? How would I replicate ...
0
votes
2answers
35 views

Where does one obtain the most widely accepted Bitcoin/Euro exchange rate?

I want use Bitcoin to make a purchase from a private seller in another country. The good which I want to purchase is priced in Euros, so I need a Bitcoin/Euro conversion rate which both of us must ...
1
vote
1answer
96 views

what would it take for the Bitcoin price to drop less than a dollar?

I don't understand why the prices have actually dropped these days so much. Some forums say that people are selling, so what? People are selling, and people are buying, the bitcoins don't disappear ...
5
votes
1answer
289 views

What are some of the proposed ideas to why the Bitcoin dropped to sub $400 in the end of summer 2014?

Having seen that BTC was around $600 early summer of 2014 (May-July). It is currently almost 50% of that value. I read many varying reports of the cause of such a big drop. Can someone give a list of ...
1
vote
0answers
40 views

How does one calculate the profitability for a coin?

Given, a coin has difficulty 'd', an exchange rate 'x'/BTC or 'X'/USD, and given that my hardware can do 'y' MH/s (scrypt), how would I determine the best coin that I could mine? Do I need to consider ...
0
votes
1answer
37 views

Bitcoin packages

Are there any bitcoin package/librairies in popular langage that would make the recuperation of prices easy ? I have the exemple of the Quantmod package for R that allows you to get market data from ...
0
votes
0answers
35 views

Quantitative Finance and Bitcoin

I am looking for some reference on the Bitcoin market from the perspective of quantitative finance. How does the market in general compare to other financial markets? Is it a foreign exchange or ...
1
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1answer
74 views

What are some possible causes of the BTC-e 'flash' crash?

What circumstances made this possible? What entities or major factors could be the cause?
0
votes
2answers
159 views

What is the current actual cost of mining 1BTC? [closed]

Bitcoin is going down right now. It's about 500USD/BTC. I wonder what is mental support price for miners under which they would prefer to buy btc instead of mining it? That would be more or less ...
3
votes
1answer
67 views

Sell order in Bter is incorrect

In Bter I created a sell offer with DOGE/BTC, it seems the calculation is wrong. They have not deducted the transaction fee. I have included 2 screen shots and anybody know the same or experience the ...
1
vote
1answer
40 views

Are there any instruments that I can use to trade bitcoin volatility?

In the stock market, there are several financial products that allow an individual investor to trade/hedge daily volatility? As an example, there is the VIIX. Are there any such financial products ...
3
votes
2answers
80 views

$10 worth of DRK

With https://blockchain.info/tobtc?currency=USD&value=10 I find that $10 = 0.01724138 BTC And with https://data.bter.com/api/1/ticker/drk_btc I find that 1 DRK = 0.017669 BTC How can I get ...
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votes
1answer
45 views

With MtGox gone, how can I know the current price of a bitcoin? [closed]

Firstly, I acknowledge that there is no official bitcoin price and it is market determined, but I have seen various websites quote the current price of bitcoin and so on. In the past my bitcoin ...
2
votes
1answer
66 views

Cryptographic “Central Bank” [duplicate]

Is it possible to create a bitcoin-like system that has a central authority? I know that the reason that many people like bitcoin is that it is completely unregulated, but I was thinking that a ...
2
votes
1answer
61 views

How do goods & services sellers manage price instability?

How do retail outlets manage the massive price instability? Are they really repricing every second with 25-50% spikes and drops over 24 hours? How much does it cost to maintain accurate prices? ...
1
vote
2answers
234 views

How does cryptsy.com allocate trades for many orders with same price

How does cryptsy.com allocate trades for many orders with same price ? Orders can come from one or many accounts, my question applies to both situations, but it's obviously more interesting how they ...
0
votes
2answers
171 views

What could be causing hourly bitcoin price spikes?

The price spikes every hour, on the 26 minute mark: https://bitcoinaverage.com/charts.htm#USD-averages-1d (Although it seems like spikes do not show up for some people/browswers. Her is what I see: ...
1
vote
3answers
173 views

Do payment processors who convert bitcoin to dollars (like Coinbase and Bitpay) devalue bitcoin?

My understanding is that Coinbase and Bitpay process payments made in BTC. They receive BTC from a buyer (for example someone buying patio furniture) and send USD to merchants who don't want to keep ...
3
votes
2answers
128 views

Getting historic exchange data through an API

I'm trying my hands on a trading bot, but I need a website to pull trade data for min. the last 3 days. This can be from any major exchange. Eg. the exact same as this: ...
1
vote
0answers
30 views

Prices and numbers of transactions

At https://coinbase.com/charts we see that $/BTC ratio has been pretty steady for the past week, while the number of transactions per day has plummeted from more than 120,000 to fewer than 27,000. ...
3
votes
3answers
747 views

How can Auroracoin be the 4th crypto-coin by market cap if it's unreleased yet?

Auroracoin has become the 4th biggest crypto-currency measured in market capitalization. How can an as-yet unreleased coin have market value if it's not available for exchange (either for fiat or for ...
2
votes
4answers
165 views

Why are there different prices for bitcoins between exchanges? [duplicate]

Ive been looking around at the prices for bitcoins at various different exchanges and they all seem to have slightly (or wildly) different prices, why? Thanks.
2
votes
1answer
640 views

Where can I get tick by tick historical BTC price data?

Where can I get tick by tick historical price data for BTC? (There are some similar questions, but I am looking for high-resolution data, while the previous questions asked for lower resolution data, ...
0
votes
1answer
167 views

What is anonymous and safe api to get bitcoin Exchange Rates? [duplicate]

What is anonymous and safe api to get bitcoin Exchange Rates like BTC/USD and BTC/EUR without trace my ip ? i used tor service, i search and found blockchain api contain Exchange Rates Feed ...
3
votes
2answers
613 views

Huge price difference between mtgox and others - why?

I know mtgox is imposing halts of withdrawals at the moment but i just cant understand this chart (see bellow - taken on 21.2.14 21:37 GMT), surely if i can buy btc on mtgox and A) Then spend them ...
1
vote
2answers
160 views

why does Indian Bitcoin exchanges offer huge spreads( Bid and Ask)?

Why does Indian bitcoin exchnages are offering huge spread and why not international exchanges(ex:bitstamp,btc-e)
4
votes
2answers
127 views

Is price volatility necessarily a bad thing?

Discussions of BitCoin as the potential basis for a future global monetary system often point to the currency's price volatility as a shortcoming. Fiat currencies, by comparison, are (mostly) a lot ...
0
votes
2answers
280 views

How the BTC-e could dive to 102 points (from 700) and the recover back to 700

At around 10.00AM of 10th Feb, BTC-e had hit the low level of 102 USD/BTC from 700 USD half hour before. How is it possible at all? And even after such a big dip, how did the market recover and ...
-1
votes
1answer
120 views

how to determine bitcoin price [duplicate]

I want to know how the price is determined daily for bitcoins. I know that exchanges determine it based on the exchanges that happens in their bitcoin-exchange site. But lets take there is a new ...
2
votes
3answers
2k views

Where do these coins gain their value?

I have been mining coins for a long time (started with BTC/LTC years ago, moved to altcoins recently) and have realized I am not clear on the actual source of the value. Do the exchanges deem the ...
1
vote
3answers
225 views

How do bitcoin exchanges set prices?

What do exchanges base their Bitcoin and alt currency prices on? What makes them say that they will sell bitcoins for certain amount? Do they increase and decrease their price based on what other ...
0
votes
1answer
258 views

How mtgox and bitstamp calculate the bitcoin price?

Trading platforms like mtgox and bitstamp display the current bitcoin price on the top. How they calculate that and what effect it has when trading? What labels Last|High|Low and Vol actually mean?