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Trading the Levels › MMSI › Levels › Mother bar

MMSI Mother Bar (High-Volume Range Bar)

Updated Nov 6, 2026, 7:48 AM ET · Mother bar = a daily bar with volume above every one of the previous 20 days
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MMSI's latest daily mother bar formed on Oct 30: high $92.44, low $84.00, on a volume spike. No close outside it yet after 4 days inside. Price is inside the bar.
Best for: swingHold: days to weeksPrice $89.62 · 15-min delayed
Mother bar high92.44
Mother bar low84.00
Days inside4
Price (15-min delayed)89.62

MMSI daily chart: mother bar high and low (Oct 30)

848688909294Sep 11Sep 22Oct 1Oct 12Oct 21Oct 3092.44Mother bar high 92.4484.00Mother bar low 84.0089.62
- - - mother bar high- - - mother bar low

Where MMSI sits in its zone

The delayed price $89.62 is above its daily zone ($83.59 – $87.83), 0.59 ATR over the top.

83.59 · bottom 25%middletop 25% · 87.83
  • Setups to watch: the zone broke to the upside. Watch for a retest of the zone top or a false breakout back inside.
  • Prior move: MMSI moved up from $83.56 (the last daily swing) to $89.62, about 2.0 ATR. The move is not stretched yet.
  • Reversal check: a shooting star or bearish engulfing candle near $87.83.
  • Breakout check: RVOL above normal on the break (last day's RVOL: 1.2× on Nov 5).
  • Zone tests: price pushed above the zone top 2 times and fell back, and dipped below the bottom and recovered 1 time. Each test can weaken a zone.

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, 8 had a close outside and 6 turned into false breakouts.
  • Latest 5-minute mother bar (Nov 6, 4:35 AM ET): $89.62 / $89.62, no breakout yet.
  • Gap: MMSI opened Nov 5 at $91.18, a gap up of 0.6% from $90.63; the gap was filled.
  • Round numbers nearby: $85.00, $90.00, $95.00.

Combined conditions

  • The daily zone is $83.59–$87.83. VWAP $90.43.
  • The delayed price is above the daily zone: watch for a retest or a false breakout.
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How to trade around MMSI's mother bar levels

1. First close aboveA daily close above $92.44 after time inside is the breakout signal; a close back under $92.44 turns it into a false breakout.
2. First close belowA daily close under $84.00 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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MMSI daily mother bars: last 10

DateHighLowDays insideFirst close outsideFalse breakout?
Oct 2694.8593.301Down (Oct 28)Yes
Oct 1289.9387.651Down (Oct 14)Yes
Sep 1887.3384.124Up (Sep 25)Yes
Jul 3187.8382.774Up (Aug 7)Yes
Jul 3083.9178.920Not yet—
Jul 2980.9076.280Not yet—
Jun 2672.8071.005Up (Jul 10)Yes
Jun 1867.5364.502Up (Jun 24)No
Jun 866.4364.041Up (Jun 18)No
May 168.1661.311Down (May 5)Yes

FAQ

What is MMSI's latest mother bar?

The Oct 30 daily bar: high $92.44, low $84.00.

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 MMSI broken out of its mother bar?

Not yet: price has not closed outside it.

On SEPT: get an alert the moment MMSI closes outside its mother bar. Try it free →
What are the odds of a MMSI 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 MMSI in its zone now?

Above its daily zone ($83.59 – $87.83), based on the delayed price.

On SEPT: see MMSI'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.