Does Cointegration works for short term? After several backtests, it seems correlation works better in the shorter time frame.
Testing for Cointegration
Timeframe used: 5 mins bar chart (Over 2 months)
Steps:
1. Check for stochastic trend in the time series. Meaning, I(1) is stationary (TS is stationary after 1st differencing
2. Regress the 2 Time series, do a ACF test on the residuals.
3. A small P-Value => "Cointegration" (For hardcore stats people, "Do not accept Null Hypothesis"
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