what is the best net returning (after expenses) short term t-bills etf

Since January 1, 2025, Cloudflare (NET) has returned 86.7% and AT&T (T) has returned 18.4%.

DATE Cloudflare AT&T
October 10 2025
$213.82
$25.87
October 09 2025
$220.95
$25.82
October 08 2025
$220.00
$25.97
October 07 2025
$217.39
$25.88
October 06 2025
$221.03
$25.59
October 03 2025
$216.67
$26.77
October 02 2025
$224.56
$26.72
October 01 2025
$217.06
$27.26
September 30 2025
$214.59
$27.94
September 29 2025
$218.58
$27.77
September 26 2025
$216.34
$28.01
September 25 2025
$218.20
$28.00
September 24 2025
$217.57
$28.02
September 23 2025
$223.26
$28.48
September 22 2025
$228.28
$28.61
September 19 2025
$225.94
$28.70
September 18 2025
$223.57
$28.89
September 17 2025
$213.88
$29.23
September 16 2025
$219.24
$29.02
September 15 2025
$226.01
$29.31
September 12 2025
$221.32
$29.26
September 11 2025
$224.64
$29.18
September 10 2025
$222.97
$28.89
September 09 2025
$218.56
$29.11
September 08 2025
$217.92
$28.59