$QQQ
stock+ Make pickLast price
$721.45
Today
▲ 0.63%
Open
$718.83
Day range
$715.08 – $721.73
Volume
47.9M
52-wk range
$555.60 – $748.65
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