Is AAOI or ENPH the better stock?

"Better" depends on your goal, and these two are not alike. AAOI is the larger company by market cap ($8.95B vs $4.79B). AAOI has been more active on our scanner (312 vs 181 alerts in 30 days). AAOI has the smaller float (81.9M vs 131.6M), which tends to mean sharper, more volatile moves. Those are the measured differences, not a recommendation, and nothing here is investment advice.

What is the difference between AAOI and ENPH?

The differences that matter: they are similar in size ($8.95B vs $4.79B); they trade at very different share prices ($105.38 vs $36.52); AAOI sits at 40% of its 52-week range against 22% for ENPH; our scanner flagged AAOI 312 times in the last 30 days against 181 for ENPH. Everything above is measured from the latest completed session and SEC filings.

Which of AAOI and ENPH is more active right now?

Right now AAOI is at about 0.5x its normal volume and ENPH is at about 0.7x, so ENPH is the one drawing unusual attention today. Relative volume (RVOL) compares a stock's volume to its own recent average, so it reads the same way for a megacap and a microcap and is the quickest way to tell which of two similar names is actually in play.

Is this comparison data live?

Prices and % changes are anchored to the latest completed session and split-adjusted, so a reverse split never shows as a fake move. Float is estimated from SEC filings and refreshed as new filings publish.

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AAOI vs ENPH

TheDesperateTrader.com· Side-by-side stock comparison

$AAOI vs $ENPH head to head: price, market cap, valuation, dividend, free float, relative volume and how actively each trades. The bigger value in the size rows is bolded. Tap either ticker for its live chart, full ownership breakdown and real-time alerts.

$AAOIApplied Optoelectronics, Inc.

$ENPHEnphase Energy, Inc.

$105.38

Price

$36.52

+0.0%

Day change

+0.5%

$8.95B

Market cap

$4.79B

—

P/E ratio

—

Dividend yield

—

81.9M

Free float

131.6M

67.29%

Institutional

99.9%

11.0M

Avg volume

4.6M

0.5x

Rel. volume

0.7x

40% of 52w

52-week range

22% of 52w

312

Scanner alerts 30d

181

SEMICONDUCTORS & RELATED DEVICES

Sector

SEMICONDUCTORS & RELATED DEVICES

AAOI vs ENPH: the quick read

·AAOI is the larger company by market cap ($8.95B vs $4.79B).
·AAOI has been more active on our scanner (312 vs 181 alerts in 30 days).
·AAOI has the smaller float (81.9M vs 131.6M), which tends to mean sharper, more volatile moves.
·Both are semiconductors & related devices names, so this is a like-for-like comparison and sector news tends to move them together.
·Both stay busy on our scanner, 312 and 181 unusual-volume alerts over 30 days, so neither is the quiet one here.

Objective differences only. Not investment advice.

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Frequently asked questions

Everything you need to know comparing AAOI and ENPH on TheDesperateTrader.

Is AAOI or ENPH the better stock?: "Better" depends on your goal, and these two are not alike. AAOI is the larger company by market cap ($8.95B vs $4.79B). AAOI has been more active on our scanner (312 vs 181 alerts in 30 days). AAOI has the smaller float (81.9M vs 131.6M), which tends to mean sharper, more volatile moves. Those are the measured differences, not a recommendation, and nothing here is investment advice.
What is the difference between AAOI and ENPH?: The differences that matter: they are similar in size ($8.95B vs $4.79B); they trade at very different share prices ($105.38 vs $36.52); AAOI sits at 40% of its 52-week range against 22% for ENPH; our scanner flagged AAOI 312 times in the last 30 days against 181 for ENPH. Everything above is measured from the latest completed session and SEC filings.
Which of AAOI and ENPH is more active right now?: Right now AAOI is at about 0.5x its normal volume and ENPH is at about 0.7x, so ENPH is the one drawing unusual attention today. Relative volume (RVOL) compares a stock's volume to its own recent average, so it reads the same way for a megacap and a microcap and is the quickest way to tell which of two similar names is actually in play.
Is this comparison data live?: Prices and % changes are anchored to the latest completed session and split-adjusted, so a reverse split never shows as a fake move. Float is estimated from SEC filings and refreshed as new filings publish.

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AAOI vs ENPH

AAOI vs ENPH: the quick read

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