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

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3
votes
2answers
70 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
votes
1answer
16 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) ...
1
vote
2answers
61 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
26 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
163 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
47 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
86 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
33 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 ...
3
votes
1answer
57 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 ...
3
votes
2answers
108 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: ...
3
votes
3answers
737 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 ...
0
votes
1answer
153 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 ...
1
vote
2answers
157 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)
2
votes
3answers
1k 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 ...
0
votes
3answers
210 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
2answers
179 views

Hourly price notifications on Linux [closed]

I'm running Debian & Ubuntu and I've been using this script running in a terminal for a while but I find I easily get obsessed with the price. Instead I'd rather get, say hourly, desktop ...
0
votes
1answer
45 views

Earliest bitcoin forex & product purchases

How did bitcoin trade for conventional currency in the earliest days? Was there much demand to exchange it for conventional currencies, or were those who sold goods & services content with ...
2
votes
3answers
292 views

Where to get difficulty data for all crypto coins?

I need to get difficulty data and exchange rate for past 10 days for making a graph out of it (i.e., for all coins). Can anyone suggest where can I get it?
1
vote
1answer
27 views

Are Closed Prices just the last trade or are they averaged?

Since these exchanges run 24/7, are the posted close prices (say if the chart shows 1 hour increments like on bitcoinwisdom.com) based on the last trade for that time frame? Or are they averaged over ...
1
vote
1answer
92 views

Which exchange rate should I use for calculating Bitcoin exchange rates?

I'm using the Blockchain exchange rate API to add a Bitcoin exchange rate calculating function to one of my apps. I'm not sure which value I should be using. For each currency type (USD, EUR, etc.) ...
2
votes
1answer
701 views

BTC/USD price on BTC-e

Can you explain me in detail, what affect the price on BTC-e ? I understand the mechanic, like if there is strong demand and limited supply the price goes up. But how does it work on BTC-e? Because to ...
-1
votes
1answer
62 views

Question about Bitcoin rate [closed]

1 or 2 months ago, 1BTC=120-130$. Today, 1BTC= 900$ at Bitstamp rate. Is that means if I bought BTC 2 months ago and I try to sell them today, I earn 780$ per BTC?
1
vote
2answers
196 views

Popularity based mining (variable block reward)

I am thinking of an alternative mining scheme where block reward would grow (or decrease) with popularity of the coin. The rationale behind this idea is to make an exchange rate more stable since ...
1
vote
1answer
172 views

What is the difference between these two “instruments” ICBIT charts

Sorry for the vague question, I will improve it once I get an answer... In the picture bellow I marked two "Instruments" that are being used for trading on ICBIT. I don't understand what the ...
0
votes
1answer
499 views

When adding funds to wallet via snapswap, what exchange rate is in place?

I just added $1500 to my ripple wallet, but its showing up as XRPs in my wallet. Not only that, but the exchange rate is incredibly terrible, for 500 dollars, ripple gave me 500XRPs? How is it that I ...
1
vote
2answers
436 views

Which rate is the best rate to go by for Bitcoin prices

There are so many exchanges and local exchanges out there. If I want to buy a bitcoin, how do you decide which value to go by? Some of these exchanges vary from few dollars to $200 difference. I know ...
-1
votes
2answers
98 views

Would trading with Bitcoin be worth?

I'm new in the world of Bitcoin yet, and my first toght was that I my buy BTCs for dollars and then sell them if the exchange rate is bigger. Would it be worth? Or I shouldn't even give it a try?
0
votes
1answer
226 views

Understanding Bitcoin prices

I followed the prices of Bitcoins during this day, but I am actually very cofused as to why Preev reports it always about $70-$100 less than Bitcoinity. News websites say the price soared to $900 ...
5
votes
3answers
1k views

Does LTC price correlates to BTC price?

I always expected the LTC and BTC exchange rate to show synchronous tops/bottoms, but to my surprise LTC seems to remains stable during BTC crashes (and vice versa). Is this because I'm a novice at ...
-1
votes
1answer
759 views

Buying on one exchange then selling on the other

I'm curious as to what is keeping the majority of the people from buying on one exchange, where the going USD/BTC rare is cheaper, and selling it on another, where the rate can be USD$50 to USD$100 ...
4
votes
4answers
945 views

How to stabilize Bitcoin's exchange rate (reduce volatility)?

Is it possible to stabilize exchange rate(s) of Bitcoin to FIAT currencies (USD, EUR etc.) and make the rates less volatile only by raising the market capitalization (more people buy/invest in Bitcoin ...
2
votes
1answer
296 views

Are coinbase.com purchases effectively bitcoin futures?

I just purchased 0.1 BTC from coinbase with a bank transfer. Coinbase informed me that the transaction would take 4 business days to complete. So I don't have any bitcoins yet, but Coinbase promises ...
0
votes
1answer
760 views

Why are the BTC exchange rates different from website to website [duplicate]

For instance here: http://bitcoinwatch.com/ one exchange lists the BTC-USD rate at 133, while the other one lists at 122.
6
votes
2answers
192 views

Freelancer: billing my customers in bitcoin

I do freelance work and I was considering offering my customers the option of paying me in Bitcoin. Given that bills are usually paid in 2 - 4 weeks after sending them, and the exchange is still quite ...
8
votes
1answer
6k views

Why is MTGOX's Price/Bitcoin higher than most other exchanges?

I've been watching BitCoins for the last few months, and noticed that MTGOX's price per bitcoin is always higher than the price per bitcoin of similar exchanges, (eg cavirtex.com, and bitstamp.com). ...
1
vote
1answer
685 views

How do you find historic VWAP at a given time in a specific exchange?

Suppose I want to find the VWAP of BTC-USD in a specific exchange (e.g. Bitstamp) at a specific point in time (e.g. 1/1/2013 00:00:00). What's an easy way to do this?
5
votes
2answers
101 views

BTCUSD mean value

Recently I've heard of a site which gathers prices from some exchanges, and gives you a mean value. I've tried googling for it and I failed, couldn't find anything related for some reason. Could you ...
1
vote
1answer
73 views

Why does Crypto Street have backwards pairs?

I'm looking at the crypto street home page and the pairs are backwards when compared to other exchanges. It doesn't appear to be a mistake because the prices are inverted compared to other exchanges - ...
4
votes
6answers
4k views

Displaying price in BTC based on USD exchange rate

This is a pretty classic programming question, but I think it is a very common one for the Bitcoin community, and would be helpful to have the code publicly available. My preference is for a php ...
4
votes
4answers
447 views

Is there some website that aggregates all the Bitcoin exchange prices so small businesses can find out the current market rate and react accordingly? [closed]

I have a small business in doing repairs and I'm willing to take bitcoin, but i was wondering if there is a site that aggregates all the bitcoin exchange prices so I can get an idea of what price to ...
3
votes
2answers
102 views

Effect of media coverage on the exchange rate?

When mainstream media or some high-profile blogs etc. report about Bitcoin, does it have a direct effect on the exchange rate? Are there any examples in the past? Let’s say an author is about to ...
7
votes
3answers
842 views

Why does the Bitcoin conversion rate change wildly?

I don't understand why the conversion rate for bitcoin changes wildly. Why does it?
1
vote
1answer
229 views

How do you know how much a product costs in Bitcoins?

When paying with Bitcoins how does that affect the price of the service or item? For example If I buy something that costs 20 CAD using Bitcoins and the exchange rate is 1 CAD = 0.01 BTC does that ...
2
votes
3answers
4k views

Simplest way of obtaining MtGox exchange rate via an API?

I want to do a simple app that refreshes every minute to tell me the current exchange rate by Mtgox but I have a problem interpreting the JSON that some APIs return: Mtgox's fast ticker returns this ...
2
votes
3answers
973 views

When purchasing an item through BitPay, how do their exchange rates compare with the market exchange rates?

BitPay allows merchants to price their products in USD, and receive USD when a customer pays using Bitcoin. The exchange rate used at the time of purchase is calculated somehow by BitPay, but their ...
1
vote
1answer
9k views

Where can I find historical exchange rate data for BTC/USD? [duplicate]

I'm looking for historical exchange rate data for Bitcoins/USD beginning in 2010, but I haven't been successful. This is for academic research. I tried bitchart.org. I don't know how to access the ...
3
votes
1answer
527 views

How does Ripple decide on the exchange rate between different currencies?

When A pays in USD but B receives EUR, how exactly does Ripple decide on the EUR/USD exchange rate?
1
vote
2answers
142 views

How much does an online store that sells in multiple currencies need to know about exchange rates?

Please take the title with a grain of salt. I couldn't make it short and also implying all that I am about to ask here. Consider Yen devaluation. Forex traders constantly buy USD and sell JPY, or ...
19
votes
4answers
10k views

Why do the price of bitcoins vary wildly between exchanges?

▼ mtgoxUSD 95.0000 108.452 -12.404% 2428892 ▼ btc24EUR 67.5047 89.036 -24.183% 348160 ▼ btceUSD 82.9900 106.794 -22.289% 277286 ▼ bitstampUSD 75.9900 109.320 ...
0
votes
2answers
610 views

Calculating the current price of 1 BTC?

I am planning to get into BTC as I have some PC with xfire (7970's) laying around here and I am currently trying to learn more about it; what I would like to first understand is BTC pricing to make ...