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ADR Calculator

Average daily range, and how much of today’s range is already spent.

Inputs it asks for
Day 1 range, pips value
Day 2 range, pips value
Day 3 range, pips value
Day 4 range, pips value
Day 5 range, pips value
Range used so far today, pips value
Formula shown · assumptions disclosed

What it computes

Average daily range, and how much of today’s range is already spent. The page states the equation, the units it expects and the rounding it applies, so the result can be reproduced by hand.

Where it sits in the chain

A calculator gives you a number. This one feeds the next: account to risk, risk to position size, position size to the trade, and the trade to expectancy, drawdown and risk of ruin.

See the performance tools →
Inputs
Result
Average daily range 83.0 pips
Used so far 55%
Remaining to the average 37.0 pips
Half the ADR 41.5 pips
ADR describes where the average day ends, not where this one will. Half of all days exceed it.
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The formula

ADR = average of the last N daily ranges
remaining = ADR − range used so far today

ADR describes where the average day ends. Half of all days exceed it, so "the range is used up" is a statement about the average, not about today.

Worked example

Five daily ranges of 78, 92, 64, 110 and 71 pips, with 46 used so far:

ADR = 415 ÷ 5 = 83.0 pips
used = 46 ÷ 83 = 55%
remaining = 83 − 46 = 37.0 pips

What it assumes

  • A five-day window is short and moves quickly. Twenty days is steadier but slower to reflect a regime change.
  • It ignores the session. A range measured at the London open means something different from the same range at the New York close.

Common questions

What is average daily range used for?

Sizing targets and stops against what the instrument typically does, and judging whether a move has more room in it than the recent average suggests.

Does exceeding the ADR mean the move is over?

No. Half of all days exceed the average by definition. It means continuation is a bet against the distribution rather than with it.

How many days should the average cover?

Five reflects the current regime and moves quickly. Twenty is steadier and slower. Use the shorter window for intraday targets and the longer one for sizing.

What to work out next

A calculator answers one question and raises the next. These are the ones this figure feeds into.

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ADR Calculator · rounding shown to the precision displayed

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