How Marios Stamatoudis Achieved a 291% Return With Tight Risk & Smart Setups

Marios Stamatoudis
Marios Stamatoudis

Marios Stamatoudis is a swing trader and top performer in the 2023 US Investing Championship, with a 291% return. He focuses on momentum and high-growth opportunities.

April 22, 2025
8 min read
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From Blowups to Breakthroughs: How Marios Stamatoudis Became a Top Trader

Marios Stamatoudis didn’t find trading success overnight – He started with blown accounts, poor risk management, and a naive understanding of the markets. But over time, through deep study and a relentless drive to reverse-engineer what made top traders tick, he made a massive transformation.

In 2023, that work paid off in a big way: Marios posted a 291% return in the U.S. Investing Championship.

Marios Stamatoudis is not just known for his performance but for his ability to adapt, build proven strategies, and teach others how to succeed. Let’s dive into his journey, trading philosophy, and key lessons.

The Early Struggles That Sparked His Obsession

Marios’ trading journey began with a simple Google search: “How to make money online.” Like many new traders, he jumped into the markets without understanding risk, position sizing, or even basic chart reading. He unknowingly used leverage and blew up his first account in just three days.

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Instead of giving up, the loss bruised his ego and lit a fire. That pain became his motivation.

“I didn’t want to accept it—I wanted to beat it.”

Marios Stamatoudis

How Marios Stamatoudis Reverse-Engineered His Way to a System

Rather than relying on paid courses, Marios took a unique route. He joined Facebook groups, downloaded traders’ past watchlists, and reverse-engineered their trades for over a year.

Each trade became a clue – He would wake up, study, trade with small risk, and repeat. He identified recurring setups and started building a system focused on:

  • Historical backtesting
  • Study of volume footprints
  • Patterns around catalyst-driven moves

The Mindset Shift That Changed Everything

In 2020, Marios Stamatoudis began to burn out. Despite good performance, Marios felt trapped by the daily grind of day trading – chained to his desk, seeing chart patterns in everything, even the mountains outside.

Realizing something had to change, he took a break – and picked up How to Make Money in Stocks by William O’Neil.

He shifted from:

  • Day trading to swing trading
  • Reacting to random price action to planning trade executions
  • Scattered alerts to structured setups

This mental reset gave Marios clarity and control.

The Core Setups Behind Marios Stamatoudis’ 291% Returns

Marios Stamatoudis’ strategy is built around three high-probability swing setups, each rooted in volume analysis, chart structure, and a strong catalyst. These setups are simple, repeatable, and backed by years of study and real-world execution.

Breakouts With Tight Consolidation

After a strong move up, these classic tight consolidation ranges often signal a bigger move is coming.

Marios looks for:

  • Volume dry-up – After a big move, volume fades signaling supply is shrinking and sellers are exhausted.
  • Clean base formations – The stock forms a tight range or a flat base, usually over multiple days or weeks.
  • Moving average support – The 10, 20, and 50-day moving averages should be stacked below the price and pointing up confirming strength and trend alignment.

Marios enters as the stock pushes above resistance with fresh volume. These breakouts often lead to fast, multi-day runs.

Episodic Pivots (Catalyst Gappers)

Episodic Pivots occur after a major catalyst triggers a high-volume price gap, usually during earnings season or after unexpected news.

He seeks:

  • A major catalyst – This could be a surprise earnings beat, FDA approval, merger news, or any event that causes institutions to take notice.
  • Gaps above key resistance – The stock must gap over a clear level on unusual volume, showing real buying interest.
  • Quick follow-through – Marios wants the stock to move quickly after the open.

Once the move starts, Marios enters on strength and often adds to the position as the trend confirms. He uses daily levels for triggers and intraday action for execution.

Parabolic Shorts

When stocks go vertical, spiking 100% to 200% in a matter of days, Marios shifts gears and looks to fade the euphoria by shorting exhaustion moves.

Here’s how he approaches it:

  • Signs of blow-off tops – He watches for massive volume spikes, long upper wicks, or failed breakout attempts after a vertical run.
  • Tight risk control – Shorting parabolics is risky, so Marios keeps stops tight and size small.
  • Quick entries and exits – Marios aims to capture the quick snap-back down after peak momentum fades.

Trade Examples From Marios Stamatoudis’ Top-Performing Year

Marios constantly watches the market – even unexpected moves can be big winners.

His process blends daily and intraday charts:

  • Primary trigger comes from daily chart alerts.
  • Intraday charts are used for precise entries and stop placement.

Symbol: LUNR
Company:
Intuitive Machines
Date: February 2023

image 2

LUNR wasn’t a planned trade – a surprise entry that didn’t come from long-term watchlists or deep research. Instead, this trade came from a simple but effective momentum screener and resulted in a 20%+ gain on his account in a single day.

Symbol: DUOL
Company:
Duolingo, Inc.
Date: March 2023

marios stamatoudis

An episodic pivot trade where Matrios entered through a range breakout and added on follow-through strength. To secure profits he scaled out into strength and eventually closed the position as it dropped below the 20-day moving average.

Symbol: MARA
Company:
MARA Holdings
Date: June 2023

marios stamatoudis

He caught the crypto rebound linked to Bitcoin halving news. His takeaway? Every year has a theme. In 2023, it was AI and crypto. You just need to be ready when it shows up.

How Marios Stamatoudis Sizes Positions and Uses Margin

When markets get volatile, many traders try to force big wins. Marios does the opposite. He doesn’t chase returns – he earns the right to scale up.

His growth is measured, calculated, and grounded in discipline.

Small Risk, Asymmetric Reward

Marios’ real edge isn’t just about nailing entries – it’s about how little he risks on each trade.

  • Average risk per trade: just 0.25% – 0.4% of his total account
  • Win rate: Roughly 33%
  • R-multiples: Most winning trades return 5 – 10R, sometimes 20 – 30R

This lets him handle drawdowns without emotional damage. He sizes positions so tightly that even after 10 consecutive losses, he’s down just a few percent.

Marios’ Typical Positioning Size

Marios doesn’t swing blindly. His position sizes are tailored to his edge and market conditions:

  • Average size: 13 -16% per trade
  • Max simultaneous positions: Usually 7 – 10 trades at once but never more than 15
  • Portfolio approach: Keeps it lean so he can think clearly and avoid overreacting

This structure gives him flexibility and emotional control. If things go south, he can pivot quickly without being trapped in too many trades.

Using Margin Responsibly

Marios is conservative with leverage. He avoids overnight exposure and only taps into margin intraday, and even then, only when conditions are ideal.

In strong markets, he’ll stretch his total exposure to 110–120%, but only if:

  • His current positions are already working
  • Stops have been moved to breakeven
  • He has enough open profit to rotate into new trades with little added risk

Marios doesn’t use margin to increase risk – he uses it to rotate capital efficiently during high-opportunity trading windows.

The Power of Daily & Weekly Routine

Success in trading isn’t about luck – it’s about showing up with a plan, every single day. Marios Stamatoudis treats his routine like an athlete preparing for game day.

Daily Routine: Every morning, Marios starts by preparing – not predicting.

  • Screens hundreds of charts before the open.
  • Focuses on 1-month, 3-month, and 6-month gainers.
  • Builds an intraday focus list of breakout-ready names.
  • Looks for volume spikes, tight flags, and news catalysts.

Marios follows this process whether the market is hot or slow. That way, when real opportunity shows up, he’s already in rhythm.

Weekly Routine: Each weekend is about reflection, improvement, and sharpening the playbook.

  • Deep-dive review of every trade including entries, exits, and risk management.
  • Tracks setups that triggered, failed, or never moved.
  • Builds a study list of high-probability trades.

Most traders react. Marios prepares.

Marios Stamatoudis’ daily and weekly routines are built to remove emotion, increase clarity, and make sure he’s always trading from a position of strength.

Lessons from a 291% Year

Marios Stamatoudis doesn’t rely on luck. His results came from system, sizing, and mindset.

  • Study past patterns to stay ready for what’s next
  • Be patient – size up only when conditions justify it
  • Let the setup earn your capital
  • Don’t let ego or leaderboard pressure drive decisions

Frequently asked questions

Marios focuses on three proven swing trading setups:

  • Breakouts with tight consolidation
  • Episodic pivots after catalysts like earnings
  • Parabolic shorts targeting overextended stocks

Each strategy relies on volume analysis, chart structure, and a clear catalyst. He combines daily chart triggers with intraday execution for precise entries and exits.

Marios risks just 0.25% to 0.4% of his account per trade. Even after 10 losses in a row, he’s down only a few percent. He sizes most trades between 13%–16% of his account and keeps a lean portfolio of 7–10 positions max. His win rate is about 33%, but strong R-multiples (5–30R) make his edge powerful.

He uses margin only when conditions are ideal and his trades are already working. Marios might stretch exposure to 110–120%, but only intraday. He avoids overnight margin risk and uses leverage to rotate into new setups with open profits—not to chase returns.

Marios follows a strict prep routine. Every morning, he scans hundreds of charts, builds a breakout-ready watchlist, and looks for volume and catalysts. Weekly, he reviews trades, tracks failed or successful setups, and studies patterns to sharpen his edge. His consistency keeps him prepared for any market condition.

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