For iPhone. Small caps. Plain numbers.
See the spike.
Know the risk.
When a small stock jumps on huge volume,
Undertow shows what usually happens next.
Live alerts, the record of 22,000 past spikes, SEC filings in plain words, and who holds the company. Facts, never tips.
01 / The record
of 22,399 small-stock spikes since 2014 were lower six weeks later.
About 4 in 10 rose another 20% first. Undertow shows both, on every alert.
02 / What you get
Everything behind the move.
Alerts
Spikes as they happen
Live alerts on today's biggest small-cap moves, each graded against the past spikes most like it.
Edge
The record, in the open
Every alert followed for six weeks. Wins and losses, none hidden.
Filings
SEC filings, explained
The section that matters highlighted, with the numbers and what changed.
People
Who holds the company
Insiders, their stake, their buying and selling, and holders above 5%.
03 / Pricing
Free to look. Pro to be alerted.
Free
Look up any stock, the Edge record, filings, people and comments.
Undertow Pro
Push alerts for the stocks you follow and the day's strongest setups. 7 days free, cancel any time in the app. Plus tax.



