Daily magnitude of Betelgeuse
The American Association of Variable Star Observers tracks observations of a number of variable stars, including Betelgeuse. There are typically many such observations each day, primarily at visible wavelengths. It's quite easy to generate a light curve in the band(s) and date range of your choice.

I'm also aware of a Twitter bot that tweets light curves from AAVSO data several times a day, including long-term projections, but I assume you'd be more interested in looking at the individual measurements yourself.