The following files are the python codes of my bachelor's thesis. "Preprocessing" file contains preprocessing and adding technical indicators and candlestick patterns to the price dataset obtained from yahoo finance. Some correlation analyses and visualizations also can be found in this file. "Signal development" file contains remaining steps of preprocessing and feature engineering and developing proposed trading signal. "Predictive model and trading algorithm" file contains predictive model which predicts signal of next trade day's signal given a sequence of previous days data and portfolio management algorithm which takes into account model's prediction and create a portfolio of selected stocks.