TL;DR — A rebate lowers the real cost of every lot you trade, but it does not make a bad trade good. Overtrading happens when volume is driven by the rebate rather than by a valid setup, and the honest way to judge it is to compare the cashback earned against the spread, commission and slippage paid on the extra trades. Once the non-rebate costs of marginal volume exceed the edge those trades actually produce, more trading is a net loss even though your rebate balance keeps rising.
What a rebate actually pays for
Cashback is a refund of part of the commission your broker already earned on your volume. It is calculated per lot, credited after the trade closes, and paid regardless of whether that trade won or lost. You can see the mechanics on our how cashback works page, and the live per-lot rates sit on the rate board.
That structure has an obvious consequence: the rebate scales with activity. Ten lots earn ten times the cashback of one lot. This is not a flaw in the model — it simply mirrors how brokers charge. But it does mean the rebate is neutral about whether the volume was sensible. It rewards execution, not judgement.
Why volume-based rebates can nudge you to churn
Most traders do not decide to overtrade in a single moment. It creeps in. A few common patterns:
- Break-even thinking. After a losing session, the rebate balance looks like a way to "get something back", so you take a setup you would normally skip.
- Activity as progress. A rising cashback figure feels like progress even when the equity curve is flat or falling.
- Cost blindness. Because the rebate reduces the visible cost per lot, the remaining spread and commission feel smaller than they are.
- Session boredom. Quiet markets plus a per-lot incentive is a difficult combination.
None of these require bad intentions. They are just the natural response to being paid for something you were going to do anyway.
Quantifying when extra trades stop paying
The useful question is not "am I overtrading?" but "does this extra trade pay for itself?" Every trade has a cost stack before it has a result:
| Cost component | Who it hits | Does the rebate offset it? |
|---|---|---|
| Spread | Paid on entry and exit | Partly, indirectly |
| Commission | Per lot, both sides | Yes, in part or in full |
| Slippage | Variable, worse in fast markets | No |
| Swap / financing | Positions held overnight | No |
| Your time and attention | Always | No |
For example, imagine a hypothetical account where the round-turn cost on one lot of XAUUSD is a few dollars in spread plus a small commission, and the rebate returns a modest portion of that commission. The trade is only worth taking if the expected move is larger than the net cost — the cost after the rebate, not before it. If your average winning trade is barely bigger than that net cost, the rebate is not making you money; it is disguising how thin your edge is.
A simple exercise: take your last fifty trades and split them into ones you would have taken without any rebate and ones you would not. Add up the net P&L of the second group. That number is the price of the incentive.
Rebate size versus trade quality
Rebates are usually expressed as an amount per lot, so it helps to think in percentages of cost rather than dollars. Our cashback calculator lets you enter your typical monthly volume and see what the rebate is worth at current rates, and the switch calculator estimates what a trader is leaving on the table by not being on a rebate at all.
Those numbers are genuinely useful — but they describe the cost side of the equation only. A trader doing 100 lots a month at a thin edge is still losing, just slightly more slowly. A trader doing 20 lots a month at a real edge is compounding. The rebate is identical in structure in both cases; the outcome is not.
In our view — the healthiest way to use a rebate is to treat it as a permanent discount on the trading you would already do, not as a reason to do more of it. If a strategy is not profitable before cashback, cashback will not rescue it — it will just delay the point at which you notice.
A practical checklist for keeping volume honest
If you want the cost benefit without the churn, these habits do most of the work:
- Set a maximum number of trades per day or week in advance, and treat it as a hard limit.
- Write the setup down before entry. If you cannot name the setup, you are trading the rebate.
- Review cashback monthly as a cost offset, not as a performance metric. It belongs next to your spread and commission totals, not next to your P&L.
- Compare your rebate total against your total trading costs. If cashback is a small fraction of what you pay in spread and slippage, volume is not your problem — execution is.
- Re-check your broker's cost structure periodically. Rates change, and the board on our rate board is a faster reference than memory.
Where the rebate genuinely helps
None of this argues against rebates. For an active trader running a tested system, cashback is one of the few inputs that improves the equation without changing the strategy: same entries, same exits, lower cost per lot. On gold in particular, where spreads widen around news, that per-lot return matters. Our gold cashback and forex cashback pages cover how it applies to each, and the glossary explains the terms if any of this is new.
The distinction is simple. A rebate applied to a disciplined, selective process is a discount. A rebate applied to a process that has become volume-driven is a subsidy for your broker's revenue, funded partly by your own account. Same product, opposite outcomes.
Where to go next: work out what your current volume is actually costing you — start with the cashback calculator to see the rebate on your real lot size, then check the rate board to confirm your broker's current rates before you change anything.