Inside and Outside Bars: Read the Full Candle Range

Use the range relationship to sharpen the signal

An inside bar during an orderly trend pullback gives you a compact area from which to watch for continuation. An outside bar that rejects resistance and closes strongly lower supports a bearish reversal reading. Reverse the directions for a downtrend pause or a bullish rejection at support.

This page compares two adjacent full candle ranges. The ii/iii/IOI lesson extends those relationships across a sequence and distinguishes the inner trigger from the outer obstacle.

The useful first question is what the new candle did with the previous candle's entire range. Did it stay inside, or did it trade beyond both ends? This adds information that body color alone cannot provide.

This guide builds on candle anatomy. All charts use constructed prices, green for an upward close and red for a downward close.

How to identify inside and outside bars

Each comparison uses two adjacent completed candles. Include both wicks when measuring the range.

Relationship	High comparison	Low comparison
Inside bar	No higher than the previous high	No lower than the previous low
Outside bar	Higher than the previous high	Lower than the previous low
Neither	Only one boundary expands, or the comparisons do not fit	Check both ends together

For inside bars, this guide requires at least one boundary to move inward. Two exactly equal ranges are recorded as equal ranges. For outside bars, both boundaries must expand strictly. Definitions that allow a shared edge exist; these explicit conventions keep the examples consistent.

The larger reference candle before an inside bar is often called its mother bar. An inside bar can be green, red, or a doji. An outside bar can also close in either direction. The range relationship names the structure; the close and location give it a directional use.

Inside bar in an advance: favor the upward continuation

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Candle 3 spans 105–111. Candle 4 contracts to 108–110.5. The shaded area shows the subsequent move.

The first three candles advance. Candle 4's high is below 111 and its low is above 105, so it is an inside bar. It pauses the advance without taking back the mother bar's low. The starting view remains bullish.

Main practice rule: use the complete mother range. Wait for a completed close above 111; cancel the unfilled setup if price breaks below 105 first. Candle 5 closes at 112, so the upward confirmation occurs. This is a closing rule, not a promise of a fill at 111.

Alternative, for comparison: the inner 110.5 high and 108 low define a tighter inside-bar plan. It can trigger sooner and fail sooner. Do not take the inner trigger and then silently switch to the wider mother-bar protection after the market moves against it.

The mother-range practice uses 105 consistently for structural cancellation. A protective order and any buffer still need a specified trigger and order type. The two alternative ranges create different price risks; a smaller stop does not make the market safer. The planning guide covers the quantity calculation.

An inside bar in a downtrend pullback works in the opposite direction: prioritize a downward break while the surrounding decline remains intact. At a major support or resistance zone, an inside bar can instead participate in a reversal. State that location explicitly; contraction alone does not establish it.

Outside bar at a rally high: read the rejection

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Candle 4 spans 109.5–114; candle 5 spans 108–115 and closes at 108.

Candle 5 trades above the old high, then ends below the old low. Both range boundaries have expanded, and the close leaves the sellers in the stronger position at the end of this candle. After the visible advance, this is a bearish outside-bar rejection. A previously marked resistance zone at the high would add useful context.

The next reference is the outside low at 108. Candle 6 closes at 105.5, giving downward follow-through. A rebound above the rejected 115 high would invalidate a bearish plan built on that rejection.

For a bullish outside bar at support, the mirror is a lower-low excursion followed by a strong close near the upper end. That combination favors recovery. An outside bar closing near its middle gives a much less decisive directional message; do not assign it the strength of the example simply because the range expanded.

Body engulfing is a different test

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The first body runs from 108 to 104, within a full range of 100–111. The second body runs from 103.8 to 108.6, so it engulfs the first body. Its full range is only 102–109. It does not exceed either earlier wick extreme and is not an outside bar under the definition above.

Use the engulfing-pattern guide for that body-based signal. Keeping the two tests separate prevents a correct observation about the body from turning into an incorrect statement about the entire candle.

When the structure is a poor signal

Repeated overlapping bars near the middle of a range can produce many inside and outside relationships with little net movement. In that setting, the next nearby boundary may consume the available space. Wait for a meaningful location or a clearer structure instead of treating every range change as a fresh directional signal.

An outside bar also cannot reveal the complete order of all intrabar events from OHLC alone. Its closing position is observable; an imagined sequence of traders being trapped is not. Base the explanation on the prices the chart actually records.

Further reading

Brooks' price-action glossary provides terminology for range relationships. Continue with ii, iii, and IOI structures to compare several adjacent ranges.