EdgeMarketInstruments › DIOD

DIOD — DIODES INC /DEL/

US Technology Semiconductors equity mkt cap 4.3B
94.04 +3.64% today
USD · as of 2026-08-21

Price · 2024-08-26 → 2026-08-21

499 daily closes shown
52w low 42.36 · high 122.76

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+3.64%
1 week-9.12%
1 month+1.40%
3 months-2.35%
6 months+37.38%
Year to date+82.85%
1 year+78.75%
3 years+17.48%
5 years+3.68%

Technicals

RSI 1457.5
vs 50-day avg-4.08%
vs 200-day avg+21.07%
Volatility 1y66.8%
Max drawdown 1y-38.02%
Avg volume 30d611.4K
Daily bars held2,674
History from2016-01-04

Measured signals that fired on DIOD

datesignal measured base rate
2026-08-06Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-07-28Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-06-05Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-06-03Equal highs taken out
structure
-0.70% over 21 days · t = -8.28 · n = 68,636
statistically distinguishable from its control group
2026-05-13Cluster sale: three or more insiders
insider
-0.37% over 21 days · t = -3.38 · n = 21,542
statistically distinguishable from its control group
2026-04-21Equal highs taken out
structure
-0.70% over 21 days · t = -8.28 · n = 68,636
statistically 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
2026-08-12Yu Evan
Director
Grant or award2.2K0.000
2026-05-29Tang Francis
Chief Technology Officer
Open-market sale15.3K112.041.7M
2026-05-29White Richard Dallas
Corporate Secretary
Open-market sale2.0K107.01214.0K
2026-05-29White Richard Dallas
Corporate Secretary
Open-market sale1.0K104.48104.5K
2026-05-27Tang Francis
Chief Technology Officer
Open-market sale5.0K110.08550.4K
2026-05-27Yu Gary
President and CEO
Open-market sale3.6K110.08399.8K
2026-05-27Yang Emily
SVP Worldwide Sales/Marketing
Open-market sale3.0K110.08330.2K
2026-05-26Tang Francis
Chief Technology Officer
Open-market sale4.1K108.00446.8K
2026-05-26Zhao Jin
President, Diodes Asia
Open-market sale3.7K106.86394.2K
2026-05-26Yang Emily
SVP Worldwide Sales/Marketing
Open-market sale2.0K107.52215.0K

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.491.4M7.2M
FMR LLC388.2M5.7M
VANGUARD PORTFOLIO MANAGEMENT LLC248.4M3.6M
DIMENSIONAL FUND ADVISORS LP166.3M2.4M
STATE STREET CORP155.8M2.3M
VANGUARD CAPITAL MANAGEMENT LLC135.3M2.0M
MORGAN STANLEY113.6M1.7M
GEODE CAPITAL MANAGEMENT, LLC98.1M1.4M
EARNEST PARTNERS LLC68.4M1.0M
GOLDMAN SACHS GROUP INC63.6M931.1K

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 →

Latest SEC filings

formfiledperiod
42026-08-132026-08-12on EDGAR ↗
32026-08-132026-08-01on EDGAR ↗
8-K2026-08-122026-08-05on EDGAR ↗
SCHEDULE 13G2026-08-07on EDGAR ↗
SCHEDULE 13G/A2026-08-06on EDGAR ↗
10-Q2026-08-052026-06-30on EDGAR ↗
8-K2026-08-052026-08-05on EDGAR ↗
8-K2026-07-282026-07-27on EDGAR ↗

Short selling

Avg short volume, 90d65.1% 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 →

Recent headlines

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