Define the metric before the period
| Control | Example definition | What it does not measure |
|---|---|---|
| Deposit limit | Gross money paid in during seven days | Stake, loss, or total exposure |
| Spend limit | Stakes placed during a period | Net result unless defined that way |
| Loss limit | Spend minus winnings under the stated rule | Cash moved between accounts |
| Exposure limit | Maximum loss across open positions | Settled loss already incurred |
| Time limit | End the session after a fixed duration | Financial loss by itself |
In Great Britain, RTS 12 requires remote operators to offer customer-set financial-limit facilities and distinguishes deposit, spend, and loss tools. Requirements and labels vary elsewhere.
Write an enforceable rule
Specify amount, currency, period, reset time, included accounts, treatment of open bets, and the action taken at the threshold. For example:
"No new stake or deposit after settled net loss plus maximum open loss reaches GBP 20 in the Monday-to-Sunday period."
This is an illustrative rule format, not a recommended GBP amount.
Calculate combined loss capacity
If settled net loss is GBP 12 and open positions can lose another GBP 8, combined period loss capacity is:
GBP 12 + GBP 8 = GBP 20
Using settled loss alone would ignore money already at risk. For mutually exclusive positions, calculate scenario-level maximum loss rather than blindly summing every stake.
What the rule can and cannot do
A stop rule can cap new exposure after a threshold if it is followed and technically enforced. It cannot recover prior losses, make a negative-EV method positive, guarantee that the operator's displayed metric matches the personal definition, or prevent gambling through another account.
Do not raise the threshold after a loss or restart the period early. That turns the limit into a moving description rather than a control.
When loss controls are not enough
If losses affect essential bills, debt, mood, relationships, sleep, or the ability to stop, use external support. GamCare provides gambling-loss and money guidance, MoneyHelper provides debt guidance, and the NHS lists treatment routes.
Verify the control against real statements
Before relying on an operator tool, run a no-money or minimal permitted test and compare its displayed deposit, spend, or loss figure with the personal calculation. Check whether the period is fixed or rolling, which timezone applies, whether withdrawals affect the number, and when a reduction or increase becomes effective. Do not assume two operators use the same reset convention.
Maintain the personal cross-account limit outside any one operator. A platform cannot see exposure elsewhere. When the personal threshold is reached first, stop even if every operator still shows room. Record attempted breaches and changes to controls; repeated attempts to bypass the boundary are evidence to strengthen protection and seek support, not to tune the amount.
Next step
Use When To Stop Betting for the next part of this topic.
Continue learning
- Next guide: The 1% Betting Rule
- Related guide: Variance in Betting
Assumptions and limitations
The example is educational and does not define a safe loss. Operator tools can use fixed or rolling periods and different balance conventions. A stop-loss is a harm-control boundary, not a staking strategy, and it cannot guarantee control or future outcomes.
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