PIT-Symbol (Point-In-Time Symbol) is a
Standard stock tickers are not permanent: they change due to mergers, rebranding, and delistings. Furthermore, a ticker symbol can be reassigned to a completely different company once it becomes available, causing significant confusion in historical data analysis.
import pandas as pd
url = "https://api.corrgrid.com/v2/2025-02-26/corr/raw/relation?token=demo"
correlation_matrix = pd.read_json(url, storage_options = {"User-Agent": "api"}, orient='split')
print(correlation_matrix)