SPY Opening vs Afternoon Range (5m, 2 years) Study on SPY 5m, published to the Agenticks Community and free to open. Opening hour averages 3.5611 (20.8% of days wider than afternoon). Weak positive correlation (r=0.445). Over 414 days, the opening hour's range averages 3.5611, while the afternoon averages 5.5284 (afternoon is 55.2% wider on average). Opening ranges are wider than afternoon ranges in only 20.8% of days. The correlation between opening-hour width and afternoon width is 0.445, indicating very weak predictive value: wide opening hours do not systematically predict wider or narrower afternoons. What this run recorded Type: StudyInstrument: SPYTimeframe: 5mNet return: 0%Max drawdown: 0%Trades: 0 These are backtested results on historical data, not realized trading performance. A backtest does not predict future results. Tags5mopening-rangesessionspyvolatility Open it Browse every published build Build and backtest your own strategy in AlgoAgent