"Price improvement" is a phrase worth testing
Some brokers advertise price improvement, meaning fills at a better price than the one requested. It sounds like a free gift. It can also be a statistic built on a flattering baseline.
The question is always: better than what? If the comparison is the price on the screen two seconds earlier, a fill that lands a tenth of a pip better is trivial to produce, because the screen price was stale. If the comparison is the best available bid or offer at the exact millisecond of execution, the claim means a lot more.
A fair audit lines up each fill against a reference tick stream at the timestamp of order arrival. Then the question becomes whether the improvements outnumber and outsize the deteriorations. Some brokers show a rosy headline number while the negative slippage lives in a different column, labeled differently.
Another thing to look for: improvement that only shows up on small orders. A 0.01 lot trade has no market impact, so it can be filled almost anywhere inside the spread. Larger sizes tell the real story.
Does the broker publish execution statistics, and are they broken down by order size?
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"Price improvement" is a phrase worth testing
"Price improvement" is a phrase worth testing
It’s Fairman 
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Re: "Price improvement" is a phrase worth testing
Central banks publish minutes of their policy meetings a few weeks after the decision. They're read by analysts, usually without much fuss. Then a phrase stands out, and price jumps.
The minutes release often happens at a regular time, such as 2pm New York for the Fed. It tends to move the market less than the original decision, but it can be volatile because it reveals how split the committee really was. A phrase like "many participants noted" or "some members saw" can be read as hawkish or dovish depending on the mood.
The reaction pattern is odd. Initial moves are often driven by headlines extracted by news services in the first seconds, and the detailed reading comes minutes later, sometimes reversing the move.
Because the event isn't as widely watched as the main decision, liquidity may not be as carefully managed. Spreads widen less, but order flow can be surprisingly one-sided.
A little preparation helps. Knowing the market's current debate, such as whether the next move is a hike or a cut, tells which language will matter.
Is the minutes release worth trading or worth avoiding on the pairs being watched?
The minutes release often happens at a regular time, such as 2pm New York for the Fed. It tends to move the market less than the original decision, but it can be volatile because it reveals how split the committee really was. A phrase like "many participants noted" or "some members saw" can be read as hawkish or dovish depending on the mood.
The reaction pattern is odd. Initial moves are often driven by headlines extracted by news services in the first seconds, and the detailed reading comes minutes later, sometimes reversing the move.
Because the event isn't as widely watched as the main decision, liquidity may not be as carefully managed. Spreads widen less, but order flow can be surprisingly one-sided.
A little preparation helps. Knowing the market's current debate, such as whether the next move is a hike or a cut, tells which language will matter.
Is the minutes release worth trading or worth avoiding on the pairs being watched?