name	rule-test
description	Use when testing a stated historical rule, screen, or simple backtest. Skip a live quote or open-ended research.

Historical rule test

Refine research. Do not replace it. This is hygiene for a rule the user already stated, not a strategy generator.

Write the rule, universe, window, and rebalance before any return is calculated.
Use only information visible at each decision date. Forward returns must start after that date. Do not fill a statement or estimate into an earlier bar.
Compute the test with compute_run or finance_calculate, supplying the current-turn series explicitly. Any successfully delivered read result is usable; identify its provider, warnings, and coverage.
Disclose sample size, missing bars, costs or frictions if they would change the result, and any look-ahead you could not remove.
Do not present the result as a live signal, rating, or order.

Lead with whether the stated rule held in the tested window, then the limits.

name	rule-test
description	Use when testing a stated historical rule, screen, or simple backtest. Skip a live quote or open-ended research.

Refine research. Do not replace it. This is hygiene for a rule the user already stated, not a strategy generator.

Write the rule, universe, window, and rebalance before any return is calculated.
Use only information visible at each decision date. Forward returns must start after that date. Do not fill a statement or estimate into an earlier bar.
Compute the test with compute_run or finance_calculate, supplying the current-turn series explicitly. Any successfully delivered read result is usable; identify its provider, warnings, and coverage.
Disclose sample size, missing bars, costs or frictions if they would change the result, and any look-ahead you could not remove.
Do not present the result as a live signal, rating, or order.

Lead with whether the stated rule held in the tested window, then the limits.

rule-test