![Martina](https://img.btcc.com/btcc/qa/Martina.png)
Are exchange rates published on a daily basis?
I am wondering if exchange rates are updated and published every day. I need to know this because I am frequently dealing with foreign currencies and it's important for me to have access to the latest rates.
![Are exchange rates published on a daily basis?](https://img.btcc.com/btcc/qa/qaimg1570.png)
![BlockchainBrawler](https://img.btcc.com/btcc/qa/BlockchainBrawler.png)
Why did exchange rates fluctuate in the 1990s?
In the 1990s, I noticed significant fluctuations in exchange rates. I'm curious to understand the reasons behind these changes as they seemed to vary considerably during that decade.
![Why did exchange rates fluctuate in the 1990s?](https://img.btcc.com/btcc/qa/qaimg605.png)
![CryptoElite](https://img.btcc.com/btcc/qa/CryptoElite.png)
What is the difference between MasterCard and visa exchange rates?
I'm curious to know the distinction in exchange rates offered by MasterCard and Visa. I want to understand how these two major credit card companies differ when it comes to converting currencies while making international transactions.
![What is the difference between MasterCard and visa exchange rates?](https://img.btcc.com/btcc/qa/qaimg463.png)
![lucas_lewis_inventor](https://img.btcc.com/btcc/qa/lucas_lewis_inventor.png)
How do exchange rates affect trade volumes?
I want to understand how fluctuations in currency exchange rates can impact the volume of international trade. Specifically, how do stronger or weaker exchange rates influence the amount of goods and services traded between countries?
![How do exchange rates affect trade volumes?](https://img.btcc.com/btcc/qa/qaimg538.png)
![SumoStrength](https://img.btcc.com/btcc/qa/SumoStrength.png)
How does FXC intelligence calculate exchange rates?
I want to understand how FXC intelligence calculates exchange rates. What factors does it consider? How accurate are its predictions? And how does it use data to arrive at the exchange rates?
![How does FXC intelligence calculate exchange rates?](https://img.btcc.com/btcc/qa/qaimg236.png)