The Average True Range (ATR) indicator is a widely used technical analysis tool in cryptocurrency trading. It measures market volatility and helps traders make informed decisions about their trades. Here are the key ways the ATR is used in crypto trading:

1. Measuring Volatility: The ATR calculates the average range of price movements over a specified period, providing insights into market volatility. Higher ATR values indicate higher volatility, while lower values suggest lower volatility.

2. Stop Loss and Take Profit Placement: Traders use the ATR to set stop loss and take profit levels. By setting stops at a multiple of the ATR, traders can avoid market noise and protect their capital. Similarly, take profit levels can be set based on the ATR to maximize profits.

3. Exit Strategies: The ATR is often used in exit strategies such as the "chandelier exit," which sets a trailing stop under the highest high since entering the trade. This helps traders lock in profits and limit losses.

4. Position Sizing: The ATR can be used to determine the size of a trade based on the trader's risk tolerance and market volatility. This ensures that traders are not overexposed to market fluctuations.

5. Combining with Other Indicators: The ATR is often used in conjunction with other technical indicators such as Moving Averages, Bollinger Bands, and Parabolic SAR to confirm trading signals and improve trading decisions.

6. Breakout Detection: The ATR can be used to identify significant breakout points by adding the ATR to the closing price. When the next day's price trades above this value, it indicates a change in volatility and a potential trading opportunity.

Overall, the ATR is a versatile tool that helps traders navigate the volatile cryptocurrency markets by providing insights into market movements and enabling more informed trading decisions.

To store Ather (ATR) tokens, you can follow these steps:

1. Use a Ledger Device: Ensure you have the latest version of Ledger Live and the Ethereum app installed on your Ledger device. This will allow you to manage your ATR tokens securely. You can view your tokens by selecting the Ethereum account that holds them and clicking on "Show tokens" under that account.

2. Use MyEtherWallet: You can store ATR tokens on MyEtherWallet by specifying the token contract address. This will enable you to access and manage your tokens along with Ether in the same wallet.

3. Use a Secure Wallet App: Consider using a wallet app like the Arweave app wallet, which provides a secure environment to store and manage your tokens. You can follow step-by-step instructions to set up and use the wallet.

4. Store Tokens Securely: Always ensure that your wallet is up to date and that you have the necessary Ether (ETH) to cover network fees for token transactions. This will help you avoid potential risks and ensure smooth transactions.

To buy Ather (ATR) tokens, you can follow these steps:

1. Check Availability on Exchanges: Currently, Ather coin is not listed on any cryptocurrency exchanges (CEX or DEX). You can monitor the status on platforms like CoinCarp, which will provide real-time prices once it is listed.

2. Private Sales and ICO: Ather has had private sales and an ICO in the past. Round 2 of the token sale offered a discounted price with a bonus. Keep an eye on their official channels for any future sales or listings.

3. Over-the-Counter (OTC) Trading: While not recommended due to associated risks, you might be able to purchase Ather coin from other traders through OTC trading.

4. Stay Informed: Follow Ather's official social media channels, such as Twitter, for updates on availability and potential future listings.

Remember to do your own research and understand the risks involved before engaging in any trading activities for Aether coin.