I'm not sure what you mean by daily versions but for amd64/x86_64, there is a package path for current packages" This can be set in pkgin's configuration.
Code:
-rw-r--r-- 1 ftpmaint wheel 12688 Nov 8 16:24 zorro-1.1.8nb1.tgz
-rw-r--r-- 1 ftpmaint wheel 186220 Nov 25 02:34 zphoto-1.2nb43.tgz
-rw-r--r-- 1 ftpmaint wheel 1974804 Oct 18 14:48 zsh-5.2.tgz
-rw-r--r-- 1 ftpmaint wheel 217316 Oct 19 14:04 zstd-1.1.0.tgz
-rw-r--r-- 1 ftpmaint wheel 66180 Oct 19 12:43 zsync-0.6.2.tgz
-rw-r--r-- 1 ftpmaint wheel 9576 Oct 19 13:05 ztrack-1.0nb1.tgz
-rw-r--r-- 1 ftpmaint wheel 63108 Oct 20 09:07 zutils-1.5.tgz
-rw-r--r-- 1 ftpmaint wheel 8068700 Oct 31 14:32 zyGrib-7.0.0nb3.tgz
-rw-r--r-- 1 ftpmaint wheel 69248848 Nov 1 19:35 zyGrib-maps-2.4nb6.tgz
-rw-r--r-- 1 ftpmaint wheel 64596 Oct 18 00:13 zziplib-0.13.59.tgz
-rw-r--r-- 1 ftpmaint wheel 81200 Oct 19 13:39 zzuf-0.13.tgz
226 Transfer complete.
ftp> pwd
257 "/pub/pkgsrc/packages/NetBSD/x86_64/7.0_current/All" is the current direy.
ftp>