$TENB
stock+ Make pickLast price
$35.43
Today
▼ 1.75%
Open
$36.06
Day range
$34.87 – $36.38
Volume
5.7M
52-wk range
$15.73 – $43.67
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