Antonios Kokkalis
Antonios Kokkalis
  • MQL5 and NinjaScript Systems Developer à ArgosWatch
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MQL5 and NinjaScript Systems Developer à ArgosWatch
Trader and systems developer. 12 years on MT4, MT5, and NinjaTrader 8.

PUBLISHED WORK

MQL5 Market — ArgosWatch Institutional Prop Suite:
- Prop Challenge Guardian MT5-Daily and maximum drawdown barrier with on-chart SOS danger line and instant lot matrix
- ArgosWatch Prop Consistency Guard MT5-Profit consistency rule tracking (Best Day / Best Trade % cap) and net currency exposure
- ArgosWatch Prop News & Volatility Guard MT5-Macro calendar countdown, restricted no-trade window alerts, and live spread widening detection
- ArgosWatch Drawdown Meter MT5 (Free)-Live daily loss & maximum drawdown HUD with multi-day history strip
- Smart Session Breakout MT5 (Free)-Precision range accumulation box with ATR body filter and non-repainting breakout signals

CodeBase-Free & Open Source:
- Smart S/R Zones MT4-Swing-pivot support and resistance clustered by touch-count ranking with higher-timeframe context

WHAT I TRADE
Index and energy futures (ES, NQ, CL), FX majors and crosses, equities, and commodities. I actively trade proprietary-firm evaluation accounts under strict daily-loss and maximum-drawdown rules, working under live market risk conditions rather than theoretical models. Every tool above exists because I needed it myself.

WHAT I BUILD
- Expert Advisors (EAs) from written trading specifications
- Custom indicators-Price action, market structure, multi-timeframe analysis, and session-based logic
- Seamless MT4 to MT5 conversions
- Strategy backtesting, multi-parameter optimization, and robustness validation
- NinjaScript indicators and automated strategies for NinjaTrader 8
- Native ONNX Machine Learning model integration in MQL5

WHY WORK WITH ME
I am a trader first. I understand the underlying market logic of a strategy before writing a single line of code — asking the right architectural questions instead of delivering code that fails in live execution. If there is a structural or logical flaw in your concept, I will tell you upfront before you spend your budget.

Operating across both MetaTrader and NinjaTrader ecosystems gives me a rare dual perspective, making cross-platform ports and institutional-grade tools my specialty.

BACKGROUND
B.Sc. in Computer Programming and Systems Analysis. Professional background in COBOL, Pascal, and C++ on IBM AS/400 systems before transitioning into quantitative trading development.

HOW I WORK
- Clear, unambiguous scope before coding begins
- Realistic, dependable delivery milestones
- Clean, thoroughly commented English source code
- Full source code provided alongside compiled binaries
- Dedicated post-delivery support and consultation

ABOUT THE NAME: ARGOSWATCH
In ancient Greek mythology, Argos Panoptes ("the all-seeing") was a legendary guardian endowed with one hundred eyes, renowned for never sleeping because only a fraction of his eyes rested while the rest remained vigilantly awake.

ArgosWatch embodies this timeless principle for modern quantitative finance: an unblinking, multi-layered surveillance system engineered to guard your equity, audit prop firm compliance, and monitor market volatility around the clock-ensuring you never trade in the dark.


Languages: Greek (Native), English (Professional). Based in the European Union (Sweden).
Antonios Kokkalis Produits publiés

──────────────────────────────────────────────────────────────── Compression Scanner MT5 — watches up to 24 symbols for session-range compression and the expansion that follows, and ranks them by how close each one is to moving. Every state it reports has an arithmetic definition, printed below. None of them is a forecast. WHAT IT DOES One panel, one chart, up to 24 symbols. For each one it measures the range of the session window you set, compares that range against what the symbol normally

Antonios Kokkalis Produits publiés

Smart Session Breakout MT4 — Precision Range Accumulation & Volatility Expansion Signals Markets spend part of the day building a range and part of the day leaving it. This indicator draws the range of a session you choose, keeps its high and low on the chart as levels, and marks the bars that close outside it. That is the whole scope. It is a way of seeing session structure, not a trading system, and it does not tell you when to buy or sell. What it does: - Draws the high and low of your

Antonios Kokkalis Produits publiés

Smart Session Breakout MT5 — Precision Range Accumulation & Volatility Expansion Signals Markets spend part of the trading day accumulating volume inside a tight range, and part of the day breaking out with explosive momentum. Smart Session Breakout draws the exact accumulation range of any session you choose (Asian, London, New York), carries its high and low levels forward as dynamic support/resistance, and marks genuine breakout candles. Key Features: - Session Accumulation Box: Draws

Antonios Kokkalis Produits publiés

ArgosWatch Drawdown Meter MT5 — Daily Loss & Maximum Drawdown Live Monitor Most trading accounts and prop challenge attempts are not lost to a bad strategy. They are lost to arithmetic performed under pressure: trying to calculate mid-trade how much of today's loss allowance is already gone and whether the next position still fits inside it. ArgosWatch Drawdown Meter answers that question continuously in real time, and adds something a simple readout cannot give you: an on-chart daily

Antonios Kokkalis Produits publiés

ArgosWatch Prop News and Volatility Guard MT5 — Institutional News and Spread Restriction Monitor Many prop trading firms enforce a High-Impact News Trading Restriction: no opening or closing trades within a set window (commonly 2 minutes) before or after red-folder news events (NFP, CPI, FOMC, Rate Decisions). The exact rule and window length vary by firm — always verify against your firm's rulebook and configure the inputs accordingly. ArgosWatch Prop News & Volatility Guard is engineered

Antonios Kokkalis
Code publié Smart S/R Zones MT4 Swing-Pivot Support and Resistance
Swing-pivot support and resistance zones clustered by touch count with adaptive zone thickness and higher-timeframe context.
Antonios Kokkalis Produits publiés

──────────────────────────────────────────────────────────────── Consistency Guard MT5 — your best trading day, and your best single trade, as a share of total profit, against the cap you set. Drawdown is visible: equity moves and the platform shows it moving. Consistency is a property of the distribution of results across a whole evaluation, and MetaTrader computes nothing of the kind. THE ARITHMETIC     best day    = largest single trading day's net realised result  

Antonios Kokkalis
Code publié Smart Session Breakout MT4 Asian Range with ATR Body-Quality Filter Dashboard and Non-Repainting Alerts
Asian session range breakout indicator for MetaTrader 4. Signals are confirmed on bar close and never repaint. Unlike simple session breakout tools, it also measures the strength of the breakout candle: the candle body must reach a configurable multiple of ATR, so marginal breaks are filtered out. Includes range size filters, an on-chart dashboard with session phase, spread, ATR in pips and a bar close countdown, plus pop-up, sound, email and push alerts.
Antonios Kokkalis
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