EdgeMarketInstruments › AAOI

AAOI — APPLIED OPTOELECTRONICS, INC.

US Technology Semiconductors equity mkt cap 10.9B
124.82 -3.41% today
USD · as of 2026-08-21

Price · 2024-08-26 → 2026-08-21

499 daily closes shown
52w low 19.49 · high 223.10

Anonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.

Performance

1 day-3.41%
1 week-16.94%
1 month+11.43%
3 months-29.40%
6 months+141.52%
Year to date+215.20%
1 year+469.17%
3 years+857.94%
5 years+1673.01%

Technicals

RSI 1455.8
vs 50-day avg-3.17%
vs 200-day avg+28.13%
Volatility 1y145.3%
Max drawdown 1y-65.70%
Avg volume 30d11.6M
Daily bars held2,674
History from2016-01-04

Measured signals that fired on AAOI

datesignal measured base rate
2026-08-04Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-07-16Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-07-07Equal lows taken out
structure
-0.64% over 21 days · t = -4.75 · n = 55,661
statistically distinguishable from its control group
2026-06-02Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-05-19Cluster sale: three or more insiders
insider
-0.37% over 21 days · t = -3.38 · n = 21,542
statistically distinguishable from its control group
2026-05-15Institutional holders jumped in a quarter
ownership
-0.52% over 21 days · t = -0.38 · n = 1,553
not distinguishable from its control group

Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →

Insider transactions (Form 4)

dateinsiderwhatshares pricevalue
2026-08-18Yeh Shu-Hua (Joshua)
*** See Remarks
Open-market sale 10b5-1 plan6.0K147.73886.4K
2026-08-10Murry Stefan J.
Chief Financial Officer
Open-market sale 10b5-1 plan4.0K144.79579.2K
2026-08-04Yeh Shu-Hua (Joshua)
*** See Remarks
Open-market sale 10b5-1 plan4.7K126.50596.4K
2026-07-31Lin Chih-Hsiang (Thompson)
President and CEO
Grant or award9.3K0.000
2026-07-22Lin Chih-Hsiang (Thompson)
President and CEO
Shares withheld for tax8.8K119.261.0M
2026-07-22Murry Stefan J.
Chief Financial Officer
Shares withheld for tax3.0K119.26354.3K
2026-07-22Chang Hung-Lun (Fred)
*** See Remarks
Shares withheld for tax2.7K119.26318.9K
2026-07-22Yeh Shu-Hua (Joshua)
*** See Remarks
Shares withheld for tax 10b5-1 plan2.6K119.26304.5K
2026-07-22Lin Chih-Hsiang (Thompson)
President and CEO
Shares withheld for tax2.5K119.26301.0K
2026-07-22Lin Chih-Hsiang (Thompson)
President and CEO
Shares withheld for tax2.3K119.26278.1K

Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →

Largest institutional holders

managervalueshares
BlackRock, Inc.608.4M7.2M
VANGUARD CAPITAL MANAGEMENT LLC259.0M3.1M
OBERWEIS ASSET MANAGEMENT INC/198.8M2.3M
JANE STREET GROUP, LLC192.8M2.3M
D. E. Shaw & Co., Inc.179.1M2.1M
Invesco Ltd.170.4M2.0M
VANGUARD PORTFOLIO MANAGEMENT LLC152.4M1.8M
STATE STREET CORP139.1M1.6M
GEODE CAPITAL MANAGEMENT, LLC137.2M1.6M
Hood River Capital Management LLC107.9M1.3M

13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →

Short selling

Avg short volume, 90d45.4% of tape
Days observed61

This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →

Ask the AI about AAOI

The assistant reads every block on this page — price history, filings, insider transactions, institutional positions, short volume, macro and the measured base rates — and says what it implies, quoting the number behind each claim and declaring what it does not have.

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