Markets open · Sentinel scanning

Decision-support technology for self-directed equity traders.

An AI-powered research platform with elite human oversight. Sentinel surfaces equity setups across the U.S. large-cap market — and a quantitative desk reviews every one before it reaches your dashboard.

100K+
Data points / sec
F100
U.S. equity focus
4.9★
Trustpilot
6yr
Of development
Sentinel Engine
U.S. Large-Cap · Today
Live scan
Scanned
2,847
↑ past 1s
Reviewed
31
by desk
Surfaced
7
approved
Setup conviction · 12h + trending
NVDA Volume surge · 3 confirming indicators Approved
AAPL Support test · sector rotation Reviewing
AI
Engine layer

100K+ signals / second

QD
Quant desk

Human approval required

4.9 · 48 verified Trustpilot reviews
St. Petersburg, FL · United States
Founder-led · Ex-trading-desk team
Software with human oversight
The landscape today

Self-directed traders are competing in a game they were never given the tools for.

Seventy-three percent of U.S. equity trades are now executed by algorithms running inside the world's largest institutional firms. Meanwhile, the everyday self-directed trader is still scanning charts by hand, reading the same news everyone else reads, reacting to setups long after the institutions have already moved.

02 / Speed

By the time the average trader sees a setup, the price has already moved.

Advantage doesn't go to the smartest analyst. It goes to the system that sees it first.

03 / Access

Institutional decision-support tools have always been locked behind eight-figure minimums.

Until now, there was no equivalent built for everyone else.

04 / The shift

The market has changed faster than the tools available to retail traders.

Markets that used to reward careful, manual analysis now reward systems. Sentinel was built to close that gap — bringing the kind of research engine that institutions rely on to the self-directed trader, with human oversight on top.

For fifty years, the tools that make institutional traders successful were locked behind eight-figure minimums. We unlocked them.
— The Sentinel mission
How Sentinel works

Three layers. One purpose: better setups, surfaced faster.

The engine surfaces. The desk reviews. You decide. Speed without judgment is reckless. Judgment without speed is too late. Sentinel pairs both.

Layer 01 · Engine

The AI engine scans.

Continuously evaluates over one hundred thousand data points per second across the U.S. large-cap universe — price action, volume, sector behaviour, macro indicators, and pattern recognition the human eye can't track in real time.

Layer 02 · Desk

The quant desk reviews.

A team of specialists with decades of combined hedge-fund experience reviews every setup the engine surfaces. Nothing reaches your dashboard until a person has signed off — context, news, risk all weighed.

Layer 03 · You

You make the call.

Every approved setup lands on your dashboard with full context — what the engine saw, why the desk approved it, the levels that matter. Your account, your name, your decision. Sentinel never holds client funds.

Asher Walk, founder of Sentinel Capital
Founder & CEO
Asher Walk
U.S. Navy · Ex-lead algo strategist
The story behind Sentinel

Built by someone who spent his career building tools like this for institutions.

Asher Walk is a U.S. Navy veteran who spent his career on the quantitative side of Wall Street. As a lead algorithmic strategist at one of the world's top quantitative trading firms — eight-figure client minimums, years-long waiting list — he built the decision-support systems institutional traders rely on every day.

Six years ago he set out to bring that same technology to the self-directed trader. Sentinel is the result.

U.S. Navy veteran · Three years of active service
Former lead algorithmic strategist at a top-tier quantitative firm
Quant desk drawn from Hong Kong hedge funds — $150M+ combined experience
Six years of development built specifically for self-directed traders
What our community says

4.9 stars. Reviewed by people who did their homework first.

Sentinel's clients are careful, deliberate people. Many spend weeks researching the company before they join. These are their words, exactly as published on Trustpilot.

Checked the company registration. Checked the platform regulation. Read every review. Spoke to the team. Everything checked out. Five months later I can confirm it's all legitimate.

MouradApr 2026

Spent three weeks digging into Sentinel before I put a dollar in. I've held money at three of the biggest wealth management firms in the country. The risk management is institutional quality.

Meshach HenriquesApr 2026

Plenty of AI trading tools out there. The difference here is professional humans watching everything on top of the algorithm. That matters.

Mr Brian HansellApr 2026

Full transparency. Every position the AI takes is visible on my dashboard in real time. No hidden fees, no mystery trades.

Mark FoxtonApr 2026

The sales process was refreshingly low pressure. Nobody pushed me. They explained how it works, answered my questions, and let me decide on my own timeline.

Mr SiddleApr 2026

Emailed support five or six times. Every single time, a proper reply within hours. Not a template — an actual helpful answer. You can tell real people work there.

Juan José MaciasApr 2026

Checked the company registration. Checked the platform regulation. Read every review. Spoke to the team. Everything checked out. Five months later I can confirm it's all legitimate.

MouradApr 2026

Spent three weeks digging into Sentinel before I put a dollar in. I've held money at three of the biggest wealth management firms in the country. The risk management is institutional quality.

Meshach HenriquesApr 2026

Plenty of AI trading tools out there. The difference here is professional humans watching everything on top of the algorithm. That matters.

Mr Brian HansellApr 2026

Full transparency. Every position the AI takes is visible on my dashboard in real time. No hidden fees, no mystery trades.

Mark FoxtonApr 2026

The sales process was refreshingly low pressure. Nobody pushed me. They explained how it works, answered my questions, and let me decide on my own timeline.

Mr SiddleApr 2026

Emailed support five or six times. Every single time, a proper reply within hours. Not a template — an actual helpful answer. You can tell real people work there.

Juan José MaciasApr 2026
From the research desk

The thinking behind the platform.

A working library of essays on how modern markets actually work — written for self-directed traders who want to understand what's happening underneath the surface.

Begin the process

Sentinel works with a limited number of self-directed traders at any one time.

A short written application is the first step. We review every submission personally and follow up within two business days.

Headquarters
5340 Central Avenue
Saint Petersburg, FL 33707
United States

Submit your application

A short written application is the first step. Every submission is read by a member of our team within two business days.