$MUU
stock+ Make pickLast price
$33.72
Today
▲ 7.80%
Open
$31.71
Day range
$31.33 – $33.75
Volume
20.3M
52-wk range
$1.78 – $62.64
Fails-to-deliver = shares that weren't delivered to settle a trade by the due date. Persistent spikes are a classic short-squeeze / illiquidity tell the degen crowd watches.
source: SEC fails-to-deliver data · free · updated twice monthly (~3–4 wk lag)
source: FINRA OTC Transparency (ATS + non-ATS) · free · weekly, ~2–4 wk lag