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I will write your pine script strategy or convert it to python
taotao yu
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About this gig
Have a strategy in TradingView Pine Script - or just rules in plain words - and want a version you can trust and rerun? I do both directions.
Option A: I write your Pine Script indicator or strategy from your written rules, that runs in TradingView as specified. Option B: I translate your Pine Script into a runnable Python backtest - same rules, verified trade by trade - with the full trade list, metrics, and an out-of-sample check.
Every delivery: code, full trade list (CSV), one-page metrics summary. Costs use pessimistic defaults (0.05% fee/side + 0.05% slippage) unless you specify your own. Nothing is tuned until it "looks profitable."
Basic: one Pine indicator or strategy (up to 3 conditions), or translation of a simple Pine strategy. Standard: Pine strategy with entry, exit and stop, or translation with data preparation and an out-of-sample split. Premium: complex strategy or translation, plus a written review of where it is fragile.
No return promises, no "tune it until it makes money," no live trading, signals, or account management. I will never ask for your exchange password or API keys.
Backtests do not guarantee future results; this is not financial advice.
Get to know taotao yu
taotao yu
Python Backtesting Specialist, Trading Strategy Validation and Data Analysis
- FromChina
- Member sinceNov 2026
Languages
Chinese, English
I turn written trading rules into auditable Python backtests.
Every delivery includes runnable code, the full trade-by-trade list, and all cost assumptions — nothing hidden. I test strategies exactly as written, with pessimistic fees and slippage, and report the weak points alongside the results.
Background: market-structure systematic trading, price action only, no indicators. Crypto, forex, stocks, futures, daily to 1H.
What I will never do: promise returns, ask for your password, or optimize your rules until the curve looks good. You get a clean test and an honest verdict.
FAQ
What do you need from me to start?
Your Pine Script file, or your rules in plain writing (entry, exit, stop). Plus market, timeframe, and cost assumptions if you have them - otherwise I use pessimistic defaults.
Will the Python backtest match my Pine Script results exactly?
It matches the rules exactly, trade by trade - I verify the trade list against Pine's. Small differences can come from Pine's bar-close execution vs Python's; I document any such difference in the report instead of hiding it.
Can you make my strategy profitable?
No. I implement and test your rules honestly. If you want the rules tuned until they look profitable, I am not the right seller - that is curve-fitting, and it loses real money.
