Tax-loss harvesting alternatives for AOSL

Among the 31 Semiconductors peers screened, POWI (Power Integrations) has tracked AOSL most closely over the past year, with a return correlation of 0.68. The strongest fund stand-in is XSD (SPDR S&P Semiconductor ETF) at 0.75 over the past year. Correlations are computed from daily closing-price returns aligned by trading day.

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STOCKS

Single-name peers

Ticker	Name	Sub-industry	1Y	3Y	5Y	10Y
POWI	Power Integrations	Semiconductors	0.68	0.63	0.66	0.60
MPWR	Monolithic Power Systems	Semiconductors	0.65	0.57	0.61	0.58
DIOD	Diodes Incorporated	Semiconductors	0.63	0.60	0.65	0.60
ADI	Analog Devices	Semiconductors	0.62	0.58	0.60	0.56
SYNA	Synaptics	Semiconductors	0.61	0.56	0.61	0.52
ON	ON Semiconductor	Semiconductors	0.60	0.53	0.60	0.56
RMBS	Rambus	Semiconductors	0.60	0.56	0.56	0.52
ALGM	Allegro MicroSystems	Semiconductors	0.60	0.53	0.56	—
LSCC	Lattice Semiconductor	Semiconductors	0.59	0.52	0.58	0.50
MCHP	Microchip Technology	Semiconductors	0.59	0.55	0.61	0.57
PENG	Penguin Solutions, Inc.	Semiconductors	0.58	0.49	0.52	0.43
MRVL	Marvell Technology	Semiconductors	0.57	0.51	0.56	0.52
AMKR	Amkor Technology	Semiconductors	0.56	0.56	0.59	0.55
GFS	GlobalFoundries	Semiconductors	0.55	0.48	0.51	—
SMTC	Semtech	Semiconductors	0.53	0.51	0.53	0.52
NXPI	NXP Semiconductors	Semiconductors	0.52	0.55	0.60	0.54
TXN	Texas Instruments	Semiconductors	0.52	0.51	0.55	0.52
MXL	MaxLinear, Inc.	Semiconductors	0.51	0.49	0.53	0.50
AMD	Advanced Micro Devices	Semiconductors	0.49	0.47	0.53	0.44
MU	Micron Technology	Semiconductors	0.49	0.50	0.53	0.50
QCOM	Qualcomm Inc.	Semiconductors	0.47	0.49	0.54	0.48
QRVO	Qorvo	Semiconductors	0.46	0.47	0.52	0.50
SWKS	Skyworks Solutions	Semiconductors	0.46	0.49	0.53	0.50
INTC	Intel Corp.	Semiconductors	0.46	0.39	0.42	0.40
MTSI	MACOM Technology Solutions	Semiconductors	0.46	0.51	0.55	0.46
AVGO	Broadcom Inc.	Semiconductors	0.42	0.42	0.47	0.45
CRUS	Cirrus Logic	Semiconductors	0.38	0.48	0.51	0.45
NVDA	NVIDIA Corp.	Semiconductors	0.35	0.38	0.48	0.44
OLED	Universal Display	Semiconductors	0.33	0.44	0.49	0.39
SITM	SiTime	Semiconductors	0.31	0.43	0.50	0.45
SLAB	Silicon Labs	Semiconductors	0.13	0.33	0.43	0.46

ETFS

Fund stand-ins

An ETF is generally not 'substantially identical' to a single stock, which is why funds are the standard wash-sale-aware replacement.

Ticker	Name	Focus	Match	1Y	3Y	5Y	10Y
XSD	SPDR S&P Semiconductor ETF	Semiconductors (Equal Wt)	INDUSTRY	0.75	0.70	0.74	0.68
SOXX	iShares Semiconductor ETF	Semiconductors	INDUSTRY	0.70	0.65	0.69	0.64
PSI	Invesco Semiconductors ETF	Semiconductors	INDUSTRY	0.69	0.66	0.71	0.66
SMH	VanEck Semiconductor ETF	Semiconductors	INDUSTRY	0.67	0.62	0.66	0.62
XLK	Technology Select Sector SPDR	Tech Sector	SECTOR	0.59	0.57	0.60	0.53
QQQ	Invesco QQQ Trust	Nasdaq 100	BROAD	0.59	0.56	0.59	0.53
QQQM	Invesco Nasdaq 100 ETF	Nasdaq 100	BROAD	0.59	0.56	0.59	—
VGT	Vanguard Info Tech ETF	Tech Sector	SECTOR	0.59	0.57	0.61	0.54
FTEC	Fidelity MSCI Info Tech ETF	Tech Sector	SECTOR	0.59	0.57	0.61	0.54
HACK	ETFMG Prime Cyber Security	Cybersecurity	SUB-IND	0.16	0.34	0.43	0.43
IGV	iShares Expanded Tech-Software	Software	INDUSTRY	0.08	0.30	0.42	0.42
BUG	Global X Cybersecurity ETF	Cybersecurity	SUB-IND	0.07	0.26	0.36	0.37

NEXT STEPS

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Replacement research for AOSL's peers

POWI MPWR DIOD ADI SYNA ON RMBS ALGM LSCC MCHP PENG MRVL AMKR GFS SMTC NXPI TXN MXL AMD MU QCOM QRVO SWKS INTC MTSI AVGO CRUS NVDA OLED SITM SLAB

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Method: Pearson correlation of daily closing-price returns, Yahoo Finance data, series aligned by trading day, refreshed weekly. A cell is blank when overlapping history covers less than 60% of its window. Correlation is descriptive, not predictive. Wash-sale treatment depends on facts and circumstances — confirm with a tax professional. Not investment advice.