I want to create a daily futures watchlist, which is ranked by relative volume. For example, if the volume in the premarket session was higher than usual for some furture, the watchlist would rank it accordingly during premarket.

Does ToS/any other broker have this feature? If not, how can I workaround with the built-in features?

For more information, I want to emulate the usage of RVOL as seen on this page:
Google "SMB Training Blog Relative Volume Defined and Used"

Thats likely a custom indicator that compares volume to either that time period or an average What platform are you on?

I use ThinkOrSwim, but I'm open to looking at other platforms if they have this or a similar feature?

Bump.

Has anyone used ToS's Relative Volume? How does it compare?

Did you find a solution to this?

I'm looking for the same RVOL indicator.

Sierra Charts has a Relative Volume study. You can customize how many days back it references for the comparison. Not sure what kind of lookback period SMB uses.