Stop distance, equity caps, and trading halts

Stop distance sets the contract count

In the archive workflow, dollar risk equals the gap between entry and the planned exit, multiplied by the number of shares or contracts, plus commission. Stop-defined-risk is that same quantity: the maximum expected loss if the position is liquidated at a pre-chosen price, plus commission.

Fixed-contract-sizing selects a discrete share or contract count before entry so dollar risk equals stop distance times that count plus commission. Volatility-position-sizing chooses size so the planned loss at a volatility- or stop-defined exit stays inside a stated fraction of current equity, then resizes after equity changes.

Ways to cut dollar risk

Dollar risk can be cut by skipping or closing the trade, taking a smaller contract count, moving the stop closer, or waiting until price is nearer a meaningful stop. Moving the stop closer without a technical reason is the least reliable of those choices.

Later losses land on a larger base

A later percentage decline is applied to a larger equity base than earlier gains, so a 45% drop after three 20% yearly gains can leave the account below its starting level.

Restoring equity after a 50% loss requires a 100% gain, and restoring it after a 33% loss requires a 49% gain.

Caps, consecutive losses, and a monthly halt

An n-percent-cap limits planned loss on one trade, and on all open trades together, to fixed fractions of account equity. An n-percent plan can forbid risking more than 2% of equity on one trade and more than 10% across all open trades, and can require a halt after a 6% monthly equity drop.

A monthly-loss-halt is a pre-written pause after equity falls by a stated monthly amount, used to block larger bets after a losing cluster.

If the 2% cap is recalculated after each loss, 34 consecutive losses would cut equity in half and 113 would cut it by 90%. Size cannot shrink without limit because of minimum commission and principal.

Write the rules before the stop is tested

Risk-control rules must be chosen to match whether the operator can accept a string of small stops or can hold through large open drawdowns, and that match is decided before the stop rules are analyzed.

A trading-psychology-process is a written sequence of entry, exit, abstention, and review steps that can be followed without rewriting the rules mid-trade. A written plan can name the invalidation price before entry and place a stop after fill so the exit is not renegotiated under emotion.

After a losing cluster, the documented impulse is to enlarge the next bet. The process instead reduces the next risk step from 2% to 1% to 0.5%, or pauses trading and reviews the charts against a pre-trade checklist.