Skip to main content
OverflowAI is here! AI power for your Stack Overflow for Teams knowledge community. Learn more
57 votes

What happens if I buy Bitcoins and the price goes down?

If you bought a bar of gold at $1200 / ounce, then the price of the gold drops to $600 / ounce, you wouldn't actually lose any money at all unless you decided to sell your gold at that time. However, ...
Hannah Vernon's user avatar
  • 1,562
27 votes

What happens if I buy Bitcoins and the price goes down?

If you bought one bitcoin and the price goes down, you still have one bitcoin. If the price goes up...still one bitcoin. This is just like everything else, including groceries, gasoline, gold, stock ...
Jestin's user avatar
  • 8,812
17 votes

Anyone know of an API I can get historical price time series for multiple coins

I am developing the ccxt cryptocurrency trading library, check it out on GitHub: https://github.com/kroitor/ccxt It is a library for cryptocurrency trading and e-commerce with support for many ...
Igor Kroitor's user avatar
13 votes

What happens if I buy Bitcoins and the price goes down?

tl;dr- This is called a capital loss. You're said to realize the capital loss if you sell the Bitcoins at the lower price, such that you lost money due to having bought/sold them. However, note ...
Nat's user avatar
  • 251
11 votes

What happens if I buy Bitcoins and the price goes down?

The answer is not unique to bitcoin. It would be the same if you're dealing with (non-crypto) foreign currency, stock, a stock derivative or commodity or commodity futures. When you buy something ...
Deepak's user avatar
  • 211
9 votes

What happens if I buy Bitcoins and the price goes down?

Yes, you lose a quantity of your money, at the time you gave it away in exchange for the bitcoin you received. Subsequent changes in the exchange rate only vary the hypothetical value of what you ...
Vadim Ponomarenko's user avatar
9 votes
Accepted

How to tell if a cryptocurrency exchange or trading platform is trustworthy?

Here's a few checks I'd advise anyone to do. Does it promise to earn you more than 10% profit in less than a month? If so it is a fraud. Does it make implausibly impressive claims like "SEC ...
RedGrittyBrick's user avatar
8 votes

Anyone know of an API for RSI and other indicators?

I had the same problem, couldn’t seem to find a good API that supported most of the popular indicators, and at the same time covered all the exchanges. So I decided to start up a project for this. So ...
Emaix's user avatar
  • 91
7 votes
Accepted

Anyone know of an API I can get historical price time series for multiple coins

Found the data on crypto compare const endpoint = 'https://min-api.cryptocompare.com/data/histoday?aggregate=1&e=CCCAGG&extraParams=CryptoCompare&fsym='+ ticker.toUpperCase() +'&limit=...
Vinnie James's user avatar
6 votes
Accepted

How to read an exchange order book?

Irrespective of bullish or bearish outlook, there are two attitudes a trader can have in the market: active or passive. Limit orders and stop orders are "passive" trades because they don't move ...
venzen's user avatar
  • 609
5 votes

Algorithmic trading python library?

Check out my ccxt library on GitHub: https://github.com/kroitor/ccxt With it you can access market data and trade bitcoin, ether and altcoins with many crypto currency exchanges. It is used to ...
Igor Kroitor's user avatar
5 votes

Bitcoin market hours (open/close prices)

For the Gemini exchange the closing price is at the time of their daily auction at 4pm ET. You can read more about the auction here: https://gemini.com/marketplace/ And why it is considered their "...
SatoshiReport's user avatar
5 votes

Anyone know of an API I can get historical price time series for multiple coins

http://www.cryptocoincharts.info Advance API to more than 100 exchanges: cryptocurrency pricing, OHLC and volume data from multiple exchanges. BTC38, BTCC, BTER, Bit2C, Bitfinex, Bitstamp, Bittrex, ...
Gilgi's user avatar
  • 59
5 votes

Why is the USD spread of the order book on GDAX kept very low most of the time?

GDAX offers 0% fee to maker (traders who's trades are being matched by a seller or buyer). That incentives traders to try to match bid and ask as close as possible thus reducing spreads.
alcio's user avatar
  • 1,274
5 votes

Trading Bitcoins through binary miner

Their homepage advertises them as: WORLD'S BEST RISK FREE FOREX, BINARY AND BITCOIN INVESTMENT Any entity that advertises any form of trading as risk free is a scam. Essentially all binary options,...
Raghav Sood's user avatar
  • 17.1k
5 votes

Do I have to pay taxes on a Bitcoin investment when I'm withdrawing it to my US bank account before I actually received the money?

You are definitely being scammed - you should write off the $500 as an expensive lesson and never deal with these people again. No legitimate company operates in such a way. $200 on a $18500 profit is ...
Raghav Sood's user avatar
  • 17.1k
4 votes
Accepted

What is the purpose of XBTEUR.d tradable pair?

The difference between XBTEUR and XBTEUR.d is that the former is on the "regular" kraken exchange whereas the latter is on a dark pool. In substance, dark pool orders are only visible to the exchange ...
assylias's user avatar
  • 156
4 votes

Anyone know of an API for RSI and other indicators?

You can calculate it yourself. Use an API to get the gains and losses over an period of 14 points and put it into the formula described here: http://stockcharts.com/school/doku.php?id=chart_school:...
futchas's user avatar
  • 141
3 votes
Accepted

Are price movements of Bitcoin and altcoins inversely coupled?

The idea that bitcoin rising leads to altcoins falling is an unproven hypothesis, it is something that traders have noticed, but due to the various flaws in human observation, we cannot say for ...
brandondoge's user avatar
3 votes

How to access market price from Python?

Perhaps you can use the Python library CCXT: https://github.com/kroitor/ccxt It offers an homogeneous interface for accessing market data at different exchanges like Kraken, Coinbase, Bitstamp, etc.....
lackadaisical's user avatar
3 votes

Why is the USD spread of the order book on GDAX kept very low most of the time?

That's how market making works. GDAX has 0% for them, so is very attractive for liquidity providers. I'm trying to be one of them, and I don't really care where the market is, as long as I can get rid ...
Ariel Silahian's user avatar
3 votes

Whom am I buying bitcoin futures from?

Chak is not entirely correct. The exchange is the matching engine, but there will be someone else on the other side of the trade. The exchange does not have its own position in futures. That said, ...
Phil Whittington's user avatar
3 votes

BTC/USD price changes approximately the same way over many exchanges at the same time, how?

To be more specific about the "arbitrage strategies" in Tanmay's answer: Suppose there were a difference in price between two exchanges: at A the price is $10,000 and at B it is $10,100. Then, in ...
Nate Eldredge's user avatar
3 votes
Accepted

Why are there no very low bids/very high asks on GDAX?

It appears that the GDAX main page only shows orders that are fairly close to the market price, probably to keep the user interface manageable. You can see a wider range by increasing the aggregation....
Nate Eldredge's user avatar
3 votes

Account system is deprecated. Now, how can we set a "from account" when using the "sendmany" function?

The problem is, for instance, when I call sendmany method to send BTC 1 out of my service node, the asset distributed in the user addresses of my service would be randomly reducedand the total ...
Ava Chow's user avatar
  • 70.7k
3 votes

Trading Bitcoins through binary miner

I dont really understand how binary options work My principle is don't invest money in things you don't understand thoroughly. From all I have read, binary options are always either a scam or ...
RedGrittyBrick's user avatar
2 votes

Where to find cryptocoins current price

CoinGecko has a free and public cryptocurrency API to obtain crypto prices from exchanges. It currently covers over 7000+ coins from 400+ exchanges. You can fetch individual ticker data for an ...
TML's user avatar
  • 21
2 votes

Why do most trading platforms require ID Verification?

https://www.irs.gov/businesses/international-businesses/list-of-approved-kyc-rules These are the KYC rules for each country. Do not let places take advantage of you. I had one trader ask for a phone ...
Siren's user avatar
  • 21
2 votes

Library for trading on major exchanges

You may also want to take a look at my ccxt library on GitHub: https://github.com/kroitor/ccxt It is a JavaScript / Python / PHP library for cryptocurrency trading and e-commerce with support for ...
Igor Kroitor's user avatar
2 votes

Ways to monitoring BTC trading profit and loss?

No need for fancy scripts and databases: [what you put in] - [what you got out] = [your profit] All you need to know: the price of BTC at the beginning of the period the price of BTC at the end of ...
Jasper Citi's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible