Two different things arrive here, and they do not have the same resolution.
Rules are evaluated inside every screener on its own scan, so they need no separate data
feed — and see the market roughly every five minutes. A break that happens and fails inside
one interval is never seen.
Setups wake once at a fixed time, pull 1-minute bars for the whole card list and
rank it. They are not watching all day; they answer one question at one moment.
Position size
Shares are worked out from what you lose if the stop is hit,
not from a fixed dollar amount — risk per share runs from 0.3% to 5% of price across
these candidates, so a fixed amount would risk fifteen times more on one than another.
Leave these blank and alerts arrive without a share count.