Opening Range Comparison [AFD]

Compare the latest opening range with the previous session's.
Opening Range Comparison puts both ranges on one price scale, right of the last bar. Highs, lows, volume by price and estimated delta share one panel, plus a table with the numbers. Before the next open, LATEST still means the prior session.

What you see

Two profiles side by side, PREVIOUS and LATEST, each with its date and its opening-range window (e.g. 0930 - 0945)
Each range's high and low as solid lines with price tags. By default the panel is raised one panel height to clear the table; the tags always show the real prices
Volume by price for each range, and an Estimated Delta bar with its figure, e.g. "−13.6k of 77.1k"
A table: high, low, range, volume, estimated delta, opening type, where the latest range sits against the previous one, and last price with its distance when outside the latest range
Prices in the chart's own format, including 32nds and eighths on bond and grain futures

How it works

Each session's opening range is read from its 1-minute bars on supported standard 1 to 60 minute charts
Both ranges share one tick grid; each 1-minute bar's volume is spread uniformly across its price range, with each row receiving the share its tick overlap covers. A flat minute puts its volume in its close's row
Estimated delta adds the volume of 1-minute bars that close above their open and subtracts those that close below; an unchanged bar counts zero
Previous means the preceding recorded session, not simply the previous calendar day. When required session or opening-range minute data is unavailable, a note replaces the comparison; gaps within an available range are measured from the bars present

Setup

Standard 1 to 60 minute charts. Opening range 5, 15 (default), 30 or 60 minutes
Auto anchors futures at 09:30 New York and other symbols at their regular-session open. Custom sets the session and time zone; it is needed when Auto has no regular-session anchor
Layout: Butterfly (default) or Twin candles
Distance in ticks (default), price, currency or pips. Pips applies to forex; elsewhere it reads in ticks. Currency also reads in ticks when no tick value is available
Panel background is off by default. Volume rows have opaque outlines in their profile color
Panel placement, height offset and gap; table size and corner. Auto text scales headers and captions with zoom; price tags remain normal size

Good to know

The latest range develops from closed 1-minute bars while its window is open: the table notes "Forming 7/15" and the previous range's measurements and profile use the same elapsed minutes. The previous opening-type label still uses its full completed range. The newest minute counts once the next minute starts; last price follows the live price
Estimated delta and volume by price are estimates from 1-minute bars (candle direction and an even spread over each bar's range), not order flow
Volume by price shows from a 15-minute range up
Opening type is a rule-based label from the range's 1-minute bars and its own prior completed daily high, low and ATR(14). The latest label is undecided while its range is forming
Extreme vertical compression can merge volume rows, and narrow Twin ranges can overlap price-tag text. Large tables and panel offsets can also overlap the panel
Seconds, charts above 60 minutes and non-standard charts are not supported and show a note instead

Describes chart history only: no signals, no forecasts. Educational use; not financial advice.

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