Subject: Re: New High and New Low
barchart has a high-low index: $MADQ.

https://www.barchart.com/stock...
https://www.barchart.com/stock...

$MADQ was close to gtr1 from 20231213 to 20251128:

        $MADQ  gtr1 NH-NL
avg -26 -22
sd 123 103
min -957 -722
median -7 -13
max 335 354