$USO
stock+ Make pickLast price
$158.17
Today
▲ 0.83%
Open
$157.45
Day range
$156.51 – $158.51
Volume
4.5M
52-wk range
$65.99 – $171.82
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