Execution, Slippage, and Last Look

The quote you saw is not always the fill.

Advanced 5 min read Course 36 of 60

Course 36 of 60 in the forex hub. The object is slippage, last look, and requotes as part of expectancy.

The Quote You Saw Is Not Always the Fill

The Quote You Saw Is Not Always the Fill. The honest one-sentence object of this lesson is slippage, last look, and requotes as part of expectancy. If you cannot say that without opening a platform, you will size the wrong clock. The failure mode that actually hurts accounts is ignoring rejects as 'platform lag'. Write the object, then size. Educational only.

Analog, not identity: execution is a cost center. Crypto pairs and listed index futures are a different lesson. Different machine, different hours, different ruin path. Contrast the object with futures hub rather than treating every product as the same machine.

1. Spread vs fill

Spread vs fill is the first working definition. Slippage, last look, and requotes as part of expectancy. People skip this because a chart is easier than a specification. A chart is not a spec. If you cannot explain Execution, Slippage, and Last Look to a skeptical friend without a screenshot, you do not understand it yet.

Keep a crib note: object, invalidation, dollar cap. Ignoring rejects as 'platform lag' is how cribs get skipped. Do not skip. For the arithmetic habit, use risk calculator until dollars are boring.

The quote you saw is not always the fill Quoted spread What the banner showsCan be 'from 0.1'Marketing Fill What printed on the statementLast look can rejectNews widens this

2. Last look

Last look. Convert every pretty statement into dollars. The arithmetic below is illustration — live ticks, pips, and margins change. Re-read the live schedule.

If average adverse slippage is 0.8 pips on a 8-pip stop, 10% of the stop is execution. Bake it into $226 math.

If that arithmetic already exceeds your cap, the lesson is over: pass or step down in size. Passing is a position. Confirm the dollar translation with P&L calculator so the notebook and the statement agree.

Last look: dealer sees your order, then decides whether to honor the quote You click at 1.0800 Dealer looks ms–seconds Honor or reject You re-quote / slip If last look clusters on your stops, that is a dealer problem. Leave.

3. News slippage

News slippage. Context is not a trigger. Execution is a cost center. Use context to veto, not to force a click.

When in doubt, name slippage, last look, and requotes as part of expectancy again. If the sentence changed, you changed trades without admitting it. Related structure: free calculators.

At the print, spread and last look are the product pre-print quote fill you got A 5-pip stop into NFP is a donation. Measure slippage on the statement.

4. How to measure

How to measure. Process beats mood. Write the rule that fires without a debate at the worst moment. If the rule is 'I'll see how I feel,' you do not have a rule.

Stops, flatten policies, and session boundaries belong in the same notebook as the thesis for Execution, Slippage, and Last Look. If the stop is a price, convert it with listed venues after you already know the tick or pip.

5. When to change dealers

When to change dealers. Fair warning: specs, leverage caps, and dealer rules change over time. The live document wins. Educational only. Not NFA, tax, or a solicitation.

Re-read primary docs before you add size on the object of Execution, Slippage, and Last Look. See also previous lesson when the confusion is the venue layer, not the chart.

Change dealers when the statement disagrees with the banner for a month Leave when Last-look rejects cluster on your side.Swap markup makes swing math impossible.Withdrawals are slow. Cash is the point.

6. Mistakes, limits, takeaways

Mistakes: ignoring rejects as 'platform lag'; copying size from a stream; ignoring costs; mixing this machine with crypto pairs or listed index futures. Another: treating Execution, Slippage, and Last Look as advanced because the vocabulary is long rather than because the dollar cap is written. If the sister asset class is the real mix-up, next lesson before you add size.

Maps go stale. Execution is a cost center. If this lesson and the live spec or statement disagree, the live document wins.

Measure your fills

The price on the screen isn't always the price you get. Slippage, especially around news, and last look, where a dealer can reject or requote an order in a short window, both affect your results.

Keep a simple record of your intended price against your fill. Over a few weeks you'll see whether slippage is random or consistently against you. Check your dealer's execution policy and whether it uses last look. If fills are routinely worse than the quotes, especially on winning trades, that is a reason to change dealers.

The short version

  • Object: slippage, last look, and requotes as part of expectancy.
  • Failure: ignoring rejects as 'platform lag'.
  • Dollars first, leverage last.
  • Skip the window you cannot survive.

Execution, Slippage, and Last Look can remain a useful lesson and a poor live habit at the wrong size. Educational only. Not a recommendation to buy, sell, or hold any contract or pair.