$RGNX
stock+ Make pickLast price
$10.03
Today
▲ 0.70%
Open
$10.20
Day range
$10.03 – $10.25
Volume
55.8K
52-wk range
$5.46 – $16.19
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