Direct answer: what pipette definition means
A pipette definition is the explanation of what a “pipette” unit represents in foreign exchange price quoting. In practical terms, it is a fractional part of a pip—used when a quote is given with extra decimal places, so that small price movements can be described more precisely.
To understand pipettes clearly, it helps to keep the related units separate:
- A pip is a standard unit for measuring price movement in many FX conventions.
- Points are a more general way to describe changes in the quoted price; what one point equals depends on the quote format.
- A pipette expresses an even smaller increment than a pip, typically aligned with the instrument’s decimal precision.
Because quoting formats vary (for example, the number of decimals shown), the exact numeric size of a pipette is not universal. A correct pipette definition therefore includes the quote precision and the instrument convention you are using.
Mechanism and definition: how it works in forex
A simple model is:
- Identify the pip size implied by the instrument’s convention.
- Determine the fractional step used in the quote’s smallest increment (the decimal “tick”).
- Define the pipette as the increment that corresponds to that fractional step relative to a pip.
Example with explicit assumptions (no real-time data): assume an FX pair is quoted so that one pip equals 0.0001 in price terms. If the broker’s quote resolution allows price changes of 0.00001, then one pipette corresponds to 0.00001, which is 1/10 of a pip. Under this assumption, a move of 25 pipettes equals 2.5 pips.
Key point: the “pipette definition” is only complete when it states the assumed decimal precision (the instrument’s smallest quoted increment) and how that increment maps to pips.
How this affects trading calculations:
- When people say “X pipettes moved,” they mean the price changed by X fractional steps.
- When people convert pipette movement into a monetary result, they must also assume the contract size, position size, and any contract-specific value-per-pip convention.
Evidence or example: distinguishing pipettes from nearby concepts
To verify you’re using the right unit, compare pipette definition against adjacent concepts:
- Pip vs pipette: A pipette is smaller, so the same price movement will have a larger number of pipettes than pips. If your price went from 1.23456 to 1.23476, the pip count depends on your pip size convention; the pipette count depends on the finer increment.
- Points vs pipette: “Points” can be ambiguous. In many contexts, points describe the change in the displayed quote, so the numeric meaning of “one point” depends on how many decimals the platform shows.
- Tick size: A tick is the smallest price change the market or platform supports. A pipette is often defined to align with a fractional pip size that matches typical tick/quote precision, but you should still confirm the mapping for the specific quote format you use.
This is why two people can both say “pipettes” and still disagree: their underlying assumptions about decimal precision and contract conventions may differ.
Limitations and risks: material failure modes and what can go wrong
Material limitations in pipette definitions include:
- Quote precision mismatch. If one platform rounds to fewer decimals, pipette steps may be approximated rather than represented.
- Rounding and execution differences. The displayed price change may not equal the effective executed price change. Realized movement can differ due to timing and market liquidity.
- Contract convention dependence. Converting pipettes to money requires instrument-specific conventions (contract size, how pip value is computed, and whether pip value changes with price). Without these, numeric conversion is not verifiable.
- Provider formatting. Some providers may label fractional units differently or display them with different decimal patterns, even if the economic meaning is similar.
These issues don’t mean the concept is wrong; they mean a pipette definition must state assumptions and a verification method.
Verification and next question: how to independently check the definition
You can independently verify a pipette definition by doing a unit-consistency check using your own quoted precision and your instrument’s stated conventions:
- Confirm the number of decimals your platform shows for the instrument.