Module fetcher 

Constants

TF_WEIGHTS

TIMEFRAMES

Functions

fetch_current_price

Fetch the most recent closing price (last valid close in a 5-day 1d window)

fetch_ohlcv

load_ohlcv_csv

Read OHLCV from a local CSV. Required columns are open, high, low, close, and volume; names are matched case-insensitively and extra columns are ignored.