refers to the rate at which two currencies are exchanged one-for-another.
Questions tagged [exchange-rate]
269 questions
36
votes
18 answers
I paid in bitcoin, now I'm owed a refund. Can I demand it in bitcoin too?
This is, I suppose, a legal question so I should point out that I'm most interested in US and European law.
I made a payment to a company for a product more than a year ago in bitcoin. The amount that I paid then was equivalent to $75. Now the…
CharlieB
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34
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7 answers
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 -30.489% 249563
▼ mtgoxEUR 74.2244 …
user4951
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24
votes
10 answers
Where can I get historic data series of Bitcoin prices?
Where can I get a time series of (date, bitcoin price in USD)? BitcoinCharts no longer provide historic data, only the last 20,000 samples.
ripper234
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18
votes
4 answers
Anyone know of an API I can get historical price time series for multiple coins
I'd like to build some historical price charts, to use in my cryptocoin portfolio tracking app, using time series data (with HighCharts js).
Anyone know of an API that provides this price data, preferably for multiple coins (btc, ltc, eth, etc)?
Vinnie James
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18
votes
8 answers
How is the exchange rate for Bitcoin established?
I noticed that there are exchange rates for Bitcoin to other given currencies. How are these rates established?
bugfixr
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18
votes
6 answers
Where can I get all historical trades BTC price data?
Where can I get all historical trades BTC price data?
(There are some similar questions, but I am looking for high-resolution data, while the previous questions asked for lower resolution data, such as daily prices.)
jmj
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16
votes
5 answers
Why have prices fallen so drastically around October 2011?
Any idea why bitcoin prices have fallen so in September and October of 2011? It seems like back in August, one bitcoin cost about US$17, whereas in late October, it's just somewhat over US$2.
Michael Hardy
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13
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4 answers
Is there empirical data about a relationship between bitcoin price and difficulty?
There have been claims that Bitcoin price and difficulty correspond. Is there empirical data to support or refute this?
ripper234
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12
votes
4 answers
Need authoritative source for historic Bitcoin conversion prices from all exchanges
What are the authoritative sources for historic Bitcoin prices?
Ideally this will be an API for all major exchanges.
makerofthings7
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12
votes
1 answer
Why do namecoins have any value?
Many Bitcoin mining pools offer merged mining with Namecoin, and there are places where one can buy and sell BTC for NMC and the other way around.
But, why would anyone want to own NMC? As far as I understand, browsing dot-bit domains doesn't…
Martin Josefsson
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11
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3 answers
What is the easiest way to programmatically obtain the current USD-BTC spot price?
E.g., if I wanted to create a cron script that would grab the latest spot price every hour and store it in a local file or database, what would be the place to "scrape" that information from?
(Actually writing the script is not the problem, in my…
Chris W.
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10
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1 answer
Why does blockchain.info say BTC was traded for $35?
According to blockchain.info, BTC reached a peak rate of $35 in June 2011. According to the data available from bitcoincharts.com, the highest price BTC was traded in Mtgox that month (and until recently, the all-time high) is $31.9099.
What is the…
Meni Rosenfeld
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10
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2 answers
Digital currencies pegged to dollar value
Some digital currencies, like NuBits, declare that they peg their value to dollar or other fiat currency.
How does this work?
Under what conditions this can work?
Can this be distributed, or does there have to be trusted parties who are always…
Mikko Ohtamaa
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9
votes
5 answers
Is anyone taking advantage of different prices across exchanges?
Say I have funds on two exchanges. Whenever the price of bitcoin is higher on the first one, I sell on that one and buy on the other one.
Is anyone doing this or has a program that does this? Is it even possible?
lurf jurv
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9
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3 answers
How does bitcoin's price volatility compare to commodities/stocks with comparable market capitalizations?
Bitcoin's long term (after 21 million units have been created) market cap is about $102 million.
Price volatility of individual commodities/stocks is inversely correlated with their market cap, so price volatility is to be expected with bitcoin,…
Amin
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