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Ethereum: CCXT Binance Fetchhlcv does not return the last data

As an enthusiastic cryptocurrency fan and for sale, you are probably not strangers to decentralized exchanges (Dex) like Binance. From the point of view of tracking and analyzing cryptocurrencies such as Ethereum, access to high -quality historical data, access to high -quality investment decisions.

In this article, we are immersed in a common question that many users meet when using the CCXT directory on Binance: Download Ohlcv (open, high, low, closure) data through Fetchhlcv does not return the last historical data.

problem

When you use “Fetchhlcv” to download the historical data of the Ethereum main bridge, you usually get a lock speed from price movements at a certain moment. However, Binance is known to update the OhlCV channels regularly to remain accurate and up -to -date.

Unfortunately, it seems that the CCXT directory does not receive these updates, which means that it returns outdated data. This can lead to inaccurate forecasts on future price movements or improperly identifying the trend.

Solution

You have more options to solve the problem:

1.

Make sure the API Binance key is correctly set in CCXT. You can do this with the following steps:

• Sign in to your Binance account and move on to Settings>api.

• Make sure the API key is turned on to CCXT.

• Check the “time limit” setting and check that it is not too low as this can cause a CCXT deadline when the data is downloaded.

2.
Use another fetchhlcv endpoint

Instead of using the default endpoint “fetchhlcv”, try to use an alternative endpoint provided by Binance: https: // api.binance.com/API/V3/Ohlcv.

To do this, you can change the CCXT configuration, for example:

`Javascript

Const ccxt = needed ("ccxt");

Const Binance = New CCXT.BINANCE ({{{{{{

// The key is API and the secret

});

binance.fetchyhlcv ({symbol: 'eth'}, (error, result) => {{{

if (error) {

Console.Error (error);

} otherwise {

Constdata = result .last;

// process the data if necessary ...

}

});

3.
Use another version of CCXT

Make sure you use the recently released version of the CCXT library, as it is possible that you have made an error or repair to solve the problem.

To check the updates, visit the [CCXT website] ( and select the latest version. Then compare your current version to the currently used.

Application

In summary: Download OHLCV data via “fetchhlcv” can sometimes give back obsolete or incorrect historical data in the CCXT Binance direct To use the endpoint.

Thank you for reading it!

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