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The best algorithmic developers aren't just programmers - they're traders who code.
I develop and code custom trading strategies, automation tools and custom software across multiple platforms and languages, including TradingView (Pine Script), MetaTrader 5 (MQL5), Python and other modern development frameworks.
Looking for a quantitative developer role.
I can turn trading strategies into fully functional systems.
Extensive experience with Linux (Gentoo, Debian) and Unix systems (FreeBSD, OpenBSD)
I’m available for projects.You can ask for me directly on Freelancer
How Observation Changes Outcomes :
In quantum mechanics, when light (or electrons) passes through two slits, it creates an interference pattern on the screen behind them.
Each particle seems to go through both slits at once, existing in a superposition of all possible paths and the resulting pattern reflects the probabilities of where the particle could land.
If you try to measure which slit the particle goes through, the interference pattern disappears.
Observing the particle forces it into a definite state - it goes through one slit or the other.
The act of measurement collapses the wave function and fundamentally changes the outcome.
Before you check a trade, it’s in superposition.
From a statistical perspective, your trade has a probability of winning or losing based on your system but you don’t yet know the outcome.
The trade is evolving naturally, just like a quantum system.
The moment you look at it, your observation collapses the “trade wave function” into a definite state - good or bad, winning or losing.
That observation triggers an emotional reaction — stress, fear, or overconfidence—which can cause you to break your plan, over-leverage, or revenge trade.
Just like in quantum mechanics, the act of measurement affects the system.
If you hadn’t looked, the system would have continued evolving naturally and you would have followed your plan without emotional interference.
This analogy mirrors the quantum concept perfectly - observation changes the outcome, not because the market changed, but because your interaction with it changed your behavior.
In other words, checking too often destroys the natural probabilistic outcome of your system, just like measuring the slit destroys the interference pattern.
The trade itself hasn’t changed; your observation changed how you interact with it, which changes the outcome.
Final Thoughts:
Traders, you know what I’m talking about — in a demo, you can leave your strategy untouched for days, weeks, even months.
The moment it goes live, you start checking too often, micromanaging your trades, and suddenly your observation is affecting the outcome.
I develop and code custom trading strategies, automation tools and custom software across multiple platforms and languages, including TradingView (Pine Script), MetaTrader 5 (MQL5), Python and other modern development frameworks.
Looking for a quantitative developer role.
I can turn trading strategies into fully functional systems.
Extensive experience with Linux (Gentoo, Debian) and Unix systems (FreeBSD, OpenBSD)
I’m available for projects.You can ask for me directly on Freelancer
How Observation Changes Outcomes :
In quantum mechanics, when light (or electrons) passes through two slits, it creates an interference pattern on the screen behind them.
Each particle seems to go through both slits at once, existing in a superposition of all possible paths and the resulting pattern reflects the probabilities of where the particle could land.
If you try to measure which slit the particle goes through, the interference pattern disappears.
Observing the particle forces it into a definite state - it goes through one slit or the other.
The act of measurement collapses the wave function and fundamentally changes the outcome.
Before you check a trade, it’s in superposition.
From a statistical perspective, your trade has a probability of winning or losing based on your system but you don’t yet know the outcome.
The trade is evolving naturally, just like a quantum system.
The moment you look at it, your observation collapses the “trade wave function” into a definite state - good or bad, winning or losing.
That observation triggers an emotional reaction — stress, fear, or overconfidence—which can cause you to break your plan, over-leverage, or revenge trade.
Just like in quantum mechanics, the act of measurement affects the system.
If you hadn’t looked, the system would have continued evolving naturally and you would have followed your plan without emotional interference.
This analogy mirrors the quantum concept perfectly - observation changes the outcome, not because the market changed, but because your interaction with it changed your behavior.
In other words, checking too often destroys the natural probabilistic outcome of your system, just like measuring the slit destroys the interference pattern.
The trade itself hasn’t changed; your observation changed how you interact with it, which changes the outcome.
Final Thoughts:
Traders, you know what I’m talking about — in a demo, you can leave your strategy untouched for days, weeks, even months.
The moment it goes live, you start checking too often, micromanaging your trades, and suddenly your observation is affecting the outcome.
Jason Smith
Pro15 Youtube video. Running in Trend mode. lot size trading
https://www.youtube.com/watch?v=rlcxIMBSwLg
https://www.youtube.com/watch?v=rlcxIMBSwLg
· 1
Jason Smith
2026.02.20
I don’t pay too much attention to tester results, but I know a lot of you do. This bot traded all last year, and at 1 lot it’s over 1 million up. Nevertheless, it’s still good to see it performing like this.
Jason Smith
2026.02.20
My apologies — I thought I had it set for the whole of last year, but that was only the last 6–7 weeks.
Jason Smith
Call of duty 6. Prestige Master / rank 169
Jason Smith
2026.02.16
Thought of the day:
Little chickens scared of the rare apples falling from the sky
Little chickens scared of the rare apples falling from the sky
Jason Smith
Pro15 running almost non stop for 90 days.
1 micro per trade.
Max open positions at any time = 8
1 micro per trade.
Max open positions at any time = 8
Jason Smith
Traders, due to ongoing unexpected behavior by MQL5, I’ve decided to delete my profile.
While it means walking away from a year of work, I’m ready to move on and leave MQL behind.
I have requested account deletion.
While it means walking away from a year of work, I’m ready to move on and leave MQL behind.
I have requested account deletion.
Jason Smith
I just bought one of these.
Tip for you:
Create your 24-word passphrase and store a small amount of crypto in the ledger.
Then, create another wallet using the same 24 words in recovery mode, but this time, add a "salt" (an extra word or phrase).
This essentially creates a "dummy wallet" that holds only a small amount.
If someone ever finds your phrase or tries to force you to reveal it, they'll only get access to the dummy wallet, not the real one.
You can't change the 24-word passphrase itself, but you can add a salt to create an extra layer of security.
Tip for you:
Create your 24-word passphrase and store a small amount of crypto in the ledger.
Then, create another wallet using the same 24 words in recovery mode, but this time, add a "salt" (an extra word or phrase).
This essentially creates a "dummy wallet" that holds only a small amount.
If someone ever finds your phrase or tries to force you to reveal it, they'll only get access to the dummy wallet, not the real one.
You can't change the 24-word passphrase itself, but you can add a salt to create an extra layer of security.
Jason Smith
My R6 with a full titanium Akrapovic exhaust, titanium headers, and Power Commander V.
cat removed
cat removed
· 2
Jason Smith
Thought of the day:
You cannot step into the same river twice, neither the river nor you will be the same. Nature is in a constant state of flux.
You cannot step into the same river twice, neither the river nor you will be the same. Nature is in a constant state of flux.
Jason Smith
2026.02.06
Just like the river flows and transforms, so do we. Each moment brings a fresh chance to renew ourselves, learn, and grow.
Jason Smith
Pro15 after the latest upgrade
Jason Smith
2026.01.24
Traders i can code all your strategies for you. There is nothing i cant develop, as long as i understand the logic of your strategy.
You can ask for me directly on Freelancer.
You can ask for me directly on Freelancer.
Jason Smith
Most EAs use mechanical trailing stops. Pro15 uses mathematical market structure for exits.
This is the kind of sophistication you see in institutional algorithms, not retail EAs.
This is the kind of sophistication you see in institutional algorithms, not retail EAs.
Show all comments (4)
Jason Smith
2026.01.24
The reason it took so long is that I knew the logic I wanted, but not the features. There wasn’t even a proper name at the start—it was simply called PRO during development. Over the course of a year, it went through 15 iterations and updates as the feature set gradually took shape. Hence the name Pro15
Jason Smith
This is an early-stage EA. While it needs more development, it is showing signs of profitability.
Jason Smith
2026.01.24
Pullbacks aren’t about guessing tops and bottoms. They’re a structured, repeatable method for joining strong trends after controlled corrections—whether in ascending, descending channels, impulse waves, or any clean trending environment.
Jason Smith
I have another exclusive bot unseen.
This will also be up for sale soon. look out for it.
Anchor Bot Thresholds With Inverse Magic
The EA is a fully automated trading system based on threshold logic.
It begins by recording an initial price called the anchor price, which serves as the reference point for all trading decisions.
From this anchor, the system calculates the percentage change of the market price, updating in real-time with each tick.
This will also be up for sale soon. look out for it.
Anchor Bot Thresholds With Inverse Magic
The EA is a fully automated trading system based on threshold logic.
It begins by recording an initial price called the anchor price, which serves as the reference point for all trading decisions.
From this anchor, the system calculates the percentage change of the market price, updating in real-time with each tick.