How can i expect capex ??
look at past capex vs depreciation
match with policy at the time too see how capex usually evolves as a function of policy
look at future policy
make adjustments to 1)
Look at investor presentations and listen to investor calls and compare against long term trends for further out forecasts if it’s a cyclical company. They’ll usually provide guidance / forecasts that are typically accurate as they directly control the cost. The exception might be companies with high development risks like an aircraft manufacturer. Alternately for noncyclicals you can look back at historical levels.