Procedure
Define the setup
Name the market, timeframe, pattern or context you trade, and the confirmation that must occur before entry.
Check: Could another trader identify a valid setup from these rules?
Define invalidation
State what price behavior or level proves the trade idea wrong; avoid generic instructions such as 'use a sensible stop.'
Check: Is invalidation separate from the amount of loss you prefer?
Add no-trade filters
List conditions that make you wait or skip, such as late entries, a range midpoint, nearby opposing structure, or missing confirmation.
Check: Would the lens reject the trades you usually regret?
Ask for a constrained response
Request a verdict, the main reason, and the next action so the output remains usable at decision time.
Check: Can you act on the answer without reading a long essay?
Troubleshooting
The lens is too broad
Replace labels such as 'good trend' with observable conditions, timeframes, and levels.
The lens approves almost everything
Add the concrete late-entry, invalidation, and no-trade conditions that distinguish your best setups.
Strategy Lens starter structure
'I trade [setup] on [timeframe]. Entry requires [confirmation]. The idea is invalid when [condition]. Skip when [filters]. Challenge any declared plan against these rules and ask one concrete question when evidence is missing.' Adapt the brackets to rules you actually use.
Do not use a lens to outsource judgment
The lens makes your criteria explicit; it does not turn a subjective or untested idea into a guaranteed strategy.
Next step
Write the rules once, then reuse them on every review.