Yes – CryptoCompare has an ongoing, running total the preceding 24 hours.
Currently, it is $2,192,700,884.
If you go to this link, and scroll down that page, you will see a section for “Bitcoin (BTC) Volume By Currency”.
USD/BTC is currently on the 2nd line, below JPY/BTC (Japanese Yen toBitcoin) – where you can see the ongoing total volume for the preceding 24 hours being updated in real time (i.e. it changes a couple of times per second, or so).