Well, if you are talking about the BUZZ/BTC pair, there is indeed no volume right now because no one's willing to buy it even at 1 satoshi price. Also, you must take note that BUZZ is also paired with DOGE now giving it a cheaper value than 1 satoshi. This could be the main reason behind the answer to your question. There's some volume in BUZZ/DOGE meaning people are trading at that pair more often nowadays. You can check it in the link below for your reference.

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https://www.coinexchange.io/market/BUZZ/DOGE