Can I backtest 42-sec intraday data?

[ivanlawwf]

As Amibroker base time interval confined to 5-sec, 15-sec only, does it mean that no other sec periodicity could be backtested?

[Milosz]

If you enquire about custom periodicity, you should start from searching the forum for custom periodicity.

A similar question has already been answered:

Custom Periodicity

You can define your custom time intervals in Tools --> Preferences --> Intraday. Then you will be able to select such custom periodicity also in the Backtester settings. See here:

As Amibroker base time interval confined to 5-sec, 15-sec only, does it mean that no other sec periodicity could be backtested?

Amibroker base time interval is not confined to 5-sec or 15-sec only! You should choose 1 Second as Base time interval if you want to select 42 sec periodicity in Backtester's settings.