$MPC
stock+ Make pickLast price
$307.03
Today
▼ 2.98%
Open
$311.12
Day range
$305.86 – $317.72
Volume
2.1M
52-wk range
$158.00 – $326.92
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