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PHP exchange rate library

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PHP exchange rate library

"Exchange rate" is abbreviated as ExRate, also known as "foreign exchange rate", "foreign exchange market" or "exchange rate", etc. EXRATE is the abbreviation of "Exchange Rate" in English. It is the ratio of one currency to another currency, and it is the price of one currency expressed in another currency. Since the currencies of various countries (regions) in the world have different names and currency values, one currency must set an exchange rate for the currencies of other countries (or regions), that is, the exchange rate.

In the short term, the exchange rate of a country (or region) is determined by the demand and supply of the country's (or region's) currency in exchange for foreign currency. Foreigners buying domestic goods, investing in the country, and investing in the domestic currency affect the demand for the domestic currency. Domestic residents want to buy foreign products, invest in foreign countries, and foreign exchange speculation affect the country's money supply.

In the long run, the main factors that affect the exchange rate are: relative price levels, tariffs and quotas, preference for domestic goods relative to foreign goods, and productivity.

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Top 10 recommended currency exchange rate ranking (2025 currency exchange rate ranking from low to high)

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This article ranks the contract fees of exchanges such as Binance, OKX, Bybit, Gate.io, KuCoin, Phemex, Huobi, BitMEX, MEXC and Kraken according to the comprehensive fee rate. Binance ranks among the top with a perpetual contract rate of up to 0.02%, while OKX's perpetual contract rate is 0.05%. Perpetual and quarterly contract rates on other exchanges float between 0.025% and 0.1%. Choosing a suitable exchange requires comprehensive consideration of rates and other factors. This article aims to provide users with reference information on contract transaction rates.

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Detailed explanation of Bybit's fund rate: Arbitrage strategy and risk warning This article will explore in-depth the fund rate mechanism of Bybit's perpetual contract, including its calculation method, influencing factors, and how to use the fund rate for arbitrage. What is the capital rate? The funding rate of Bybit perpetual contract is a mechanism used to balance the difference between contract prices and spot prices. When the positions of long and short parties are seriously unbalanced, the party with a larger position needs to pay the capital rate to the other party. Simply put: positive capital rate: If the long party holds too much, the short party needs to pay the fee. Negative capital rate: The short seller has too many positions and needs to pay the long seller. This is like a kind of "interest", guiding the market to restore balance. Fund rate settlement frequency: Bybit Fund rate pass