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Trading the Levels › COF.PRI › Levels › Mother bar

COF.PRI Mother Bar (High-Volume Range Bar)

Updated Nov 6, 2026, 7:30 AM ET · Mother bar = a daily bar with volume above every one of the previous 20 days
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COF.PRI's latest daily mother bar formed on Oct 13: high $16.34, low $15.95, on a volume spike. The first close outside came above it on Nov 4. Price is above the bar.
Best for: swingHold: days to weeksPrice $16.64 · 15-min delayed
Mother bar high16.34
Mother bar low15.95
Days inside3
Price (15-min delayed)16.64

COF.PRI daily chart: mother bar high and low (Oct 13)

15.91616.116.216.316.416.516.616.716.816.91717.117.217.317.417.517.617.717.8Sep 11Sep 22Oct 1Oct 12Oct 21Oct 3016.34Mother bar high 16.3415.95Mother bar low 15.9516.73
- - - mother bar high- - - mother bar low

Where COF.PRI sits in its zone

The delayed price $16.64 is at the bottom 25% of its daily zone ($16.58 – $17.01).

16.58 · bottom 25%middletop 25% · 17.01
  • Setups to watch: a reversal up from the zone bottom, or a break below it.
  • Prior move: COF.PRI moved up from $16.21 (the last daily swing) to $16.64, about 1.4 ATR. The move is not stretched yet.
  • Reversal check: a hammer or bullish engulfing candle near $16.58.
  • Latest daily candle (Nov 5): Spinning Top (neutral).
  • Breakout check: RVOL above normal on the break (last day's RVOL: 0.7× on Nov 5). Next zone below: $15.95 – $16.34.
  • Zone tests: price pushed above the zone top 0 times and fell back, and dipped below the bottom and recovered 0 times. Each test can weaken a zone.
  • Distance: 0.19 ATR to the zone bottom, 1.16 ATR to the zone top (ATR ≈ 0.32).

Why mother bar matters

A mother bar is a big, high-volume bar that later bars stay inside. The volume shows big players were active, and the range they left becomes the box traders watch for the next move.

How traders use it

  • Wait for the first candle to close outside the mother bar, not just poke through it.
  • A close back inside after a breakout is a false breakout; many traders then watch the other side.
  • The longer price stays inside, the more energy traders expect for the breakout.

The last 10 mother bars

  • Of the last 10 daily mother bars, 9 had a close outside and 8 turned into false breakouts.
  • Latest 5-minute mother bar (Nov 5, 4:10 PM ET): $16.68 / $16.65, no breakout yet.
  • Gap: COF.PRI opened Nov 5 at $16.85, a gap down of 0.5% from $16.93; the gap was filled.
  • Round numbers nearby: $16.00, $17.00, $18.00.

Combined conditions

  • The daily zone is $16.58–$17.01. VWAP $16.66.
  • The delayed price is at the bottom 25% of the daily zone: the reversal and breakout setups are both live.
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How to trade around COF.PRI's mother bar levels

1. First close aboveA daily close above $16.34 after time inside is the breakout signal; a close back under $16.34 turns it into a false breakout.
2. First close belowA daily close under $15.95 with high RVOL is the breakdown signal; a close back inside cancels it.

For more setups and trading strategies, click here →

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COF.PRI daily mother bars: last 10

DateHighLowDays insideFirst close outsideFalse breakout?
Sep 3016.6816.367Down (Oct 12)Yes
Sep 1517.3516.931Down (Sep 24)Yes
Aug 3117.5717.279Down (Sep 15)Yes
Aug 1917.8817.671Down (Aug 21)Yes
Mar 3118.8518.570Not yet—
Feb 2719.7319.454Down (Mar 6)No
Feb 1819.8419.651Up (Feb 20)Yes
Dec 1819.2119.073Up (Mar 17)Yes
Dec 519.0218.813Up (Dec 11)Yes
Dec 219.1218.971Down (Dec 4)Yes

FAQ

What is COF.PRI's latest mother bar?

The Oct 13 daily bar: high $16.34, low $15.95.

On SEPT: mother bars are marked on your chart as they form. Try it free →
What is a mother bar?

A large bar whose range contains the bars after it. Here it is a daily bar with volume above every one of the previous 20 days.

On SEPT: screen for stocks trading inside a mother bar right now. Try it free →
How do you trade a mother bar breakout?

Traders wait for the first candle to close above or below the mother bar, not just poke through it.

On SEPT: alert on the first close above or below the mother bar instead of watching every candle. Try it free →
What is a false breakout of a mother bar?

Price closes outside the bar, then closes back inside. Many traders then watch the other side of the bar.

On SEPT: test how often false breakouts happen on your stocks with the Setup Builder. Try it free →
Has COF.PRI broken out of its mother bar?

Yes, up.

On SEPT: get an alert the moment COF.PRI closes outside its mother bar. Try it free →
What are the odds of a COF.PRI mother bar breakout?

Odds depend on the time inside, the trend, the volume and where the bar sits versus zones.

On SEPT: test the odds on years of real data. Try it free →
Where is COF.PRI in its zone now?

At the bottom 25% of the daily zone ($16.58 – $17.01), based on the delayed price.

On SEPT: see COF.PRI's zone position live and let GOAX alert you at the zone edge. Try it free →

Data: SEPT market data engine. Delayed data; real-time levels are on the SEPT platform. Times in Eastern Time. Educational information only, not investment advice. No odds or win rates are shown on this page.