A price alert is the beginning of a trade plan

A notification arrives: the market crossed your alert level. That is useful information, but it is not yet a trade decision.

The alert is a trigger to do the work, not permission to skip it.

Define what the alert means

Write the thesis in one sentence before setting the number. Is the alert meant to find a cheaper entry, flag a broken assumption, or tell you that the opportunity has passed?

The same price can mean action in one market and caution in another because the rules, liquidity, and time to resolution are different.

Check the book when the message arrives

Look at the available size, spread, and recent trades instead of assuming the alert price is still executable. A fast move can leave a notification pointing at a quote that no longer exists.

Record the timestamp and the size you could actually trade. That keeps a later review grounded in the market you faced, not the number in the push message.

Add an invalidation rule

Decide what would make the alert irrelevant: a source correction, a rule change, a missing fill, or a time limit. If none of those conditions are written down, the alert can turn into an open-ended impulse.

A good alert shortens the path from new information to a deliberate check. It should never replace the check itself.

Further reading: Prices and order books · Resolution rules · Current fees.

Explore the markets: Open Polymarket (referral link).