How ADR, ATR, completed-session medians, and percentiles describe movement already observed—without becoming expected-move forecasts.
Realized range · ATR · Percentiles
The practical question
Which historical range measure is today being compared with?
Auction Foundry publication capture from TradingView. It is an example chart, not live market data.
01
Separate the common range measures
A daily high-low range measures one completed day. ADR averages a selected history of daily ranges. ATR includes the previous close when calculating true range, so overnight gaps can affect it. A median completed-session range is less sensitive to unusually large observations than an average.
These measures summarize past movement. They are not option-implied expected moves, price targets, or limits on what the current session can do.
02
A percentage can exceed 100
Dividing the current session’s realized high-low range by a historical range measure answers how much of that comparison value has already occurred. A reading above 100% simply means today’s observed range is larger than the selected baseline. It should remain uncapped.
The denominator must stay visible. ADR, ATR, and median history can produce different percentages, and a short sample can be dominated by recent conditions.
03
Percentiles describe the sample
A percentile ranks the current observation against a defined collection of completed sessions. It does not provide the probability of a particular next move. Session boundaries, holidays, missing history, and instrument changes all affect the sample.
Use range context to calibrate language: below, near, or above a selected historical reference. Keep any risk plan separate and allow for gaps, slippage, liquidity, and movement beyond the modeled comparison.
BEFORE YOU USE THE IDEA
3 questions for your chart
01
Is the baseline ADR, ATR, median range, or another statistic?
02
How many completed sessions are in the sample?
03
Does the session definition match the instrument and intended hours?
WHAT IT CAN CLARIFY
Makes current movement comparable with a disclosed historical sample.
Separates several range measures that are often treated as interchangeable.
An uncapped ratio honestly represents sessions beyond the baseline.
LIMITATIONS TO RESPECT
Historical range is not a forecast or upper bound.
Lookback, session, and smoothing choices can materially change the result.
Percentile rank does not state the probability or direction of the next move.
RELATED AUCTION FOUNDRY TOOLS
See the framework in a published script.
Read the manual for behavior and limitations, or open the public listing directly on TradingView.
Range Budget
Realized session range compared with selectable historical range measures.
The last closed candle opened into 1-minute and 5-minute candles, the first minute that reached its high and its low, and recent higher time frame candles beside it.
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