DEV Community

王伟 profile picture

王伟

I build Python tools that turn messy data into decisions — and I test them before I hand them over.

Joined Joined on 
I Costed Futures Like Crypto, and Half the Loss Was Made Up
wei-backtest profile

I Costed Futures Like Crypto, and Half the Loss Was Made Up

#trading #backtesting #futures #python
1
Comments
3 min read

Want to connect with 王伟?

Create an account to connect with 王伟. You can also sign in below to proceed if you already have an account.

Create Account
Already have an account? Sign in
One Missing Call Site Turned -5.7% Into +17.9%
wei-backtest profile

One Missing Call Site Turned -5.7% Into +17.9%

#trading #backtesting #python #debugging
Comments
4 min read
"Enough Trades" Is Not a Number, It Is a Ratio
wei-backtest profile

"Enough Trades" Is Not a Number, It Is a Ratio

#statistics #trading #backtesting #python
Comments 1
4 min read
After 455 Parameter Sets, a t-Stat of 2.18 Means Nothing
wei-backtest profile

After 455 Parameter Sets, a t-Stat of 2.18 Means Nothing

#statistics #trading #backtesting #python
1
Comments 4
4 min read
My Walk-Forward Said +29.2 Per Trade. Honest Out-of-Sample Said -4.6.
wei-backtest profile

My Walk-Forward Said +29.2 Per Trade. Honest Out-of-Sample Said -4.6.

#trading #backtesting #statistics #python
Comments
4 min read
The One-Line Fix That Took My t-Stat From 6.22 to 1.04
wei-backtest profile

The One-Line Fix That Took My t-Stat From 6.22 to 1.04

#trading #backtesting #python #quant
Comments
7 min read
loading...