Two-Clock Simulation Inside the Study

Which of these may execute() read at bar t?

• The test window's full-period standard deviation of the spread
• The frozen σ from training and the test bars up to t
• The next bar's open, to decide whether the fill is worth it

The funding rate stamped 13:00 UTC on Hyperliquid covers which period?

• 13:00 to 14:00, so it is known at 13:00
• 12:00 to 13:00, so it is only known once 13:00 arrives
• The whole day, so it can be used at any hour