Name the market
Use the ticker:NVDA, SPY, NQ, ES, EURUSD. Futures work with or without a slash (NQ or /NQ).
Say the window
last 3 years, since 2024-01-01, the last 10 sessions. Without one, studies use a sensible default and say which.
Name the session
TraderOS knows three sessions by name. If you do not name one, studies use New York hours.
You can also give your own clock times:
London 2am to 5am ET.
Ask for the thing, then the next thing
Good questions are specific and build on each other:What is the average range of the Asia session on NQ over 3 months?How often does London take the Asia high?Backtest: fade a break of the Asia high between 2am and 5am ET on MNQ.