Tax-loss harvesting alternatives for OII

Among the 16 Oil & Gas Equipment & Services peers screened, NOV (NOV Inc.) has tracked OII most closely over the past year, with a return correlation of 0.59. The strongest fund stand-in is OIH (VanEck Oil Services ETF) at 0.67 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
NOV	NOV Inc.	Oil & Gas Equipment & Services	0.59	0.69	0.70	0.71
SLB	Schlumberger	Oil & Gas Equipment & Services	0.57	0.66	0.69	0.73
INVX	Innovex International, Inc.	Oil & Gas Equipment & Services	0.52	0.62	0.65	0.62
BKR	Baker Hughes	Oil & Gas Equipment & Services	0.49	0.62	0.64	0.62
WFRD	Weatherford International	Oil & Gas Equipment & Services	0.49	0.64	0.60	—
HAL	Halliburton Co.	Oil & Gas Equipment & Services	0.49	0.67	0.71	0.73
FTI	TechnipFMC	Oil & Gas Equipment & Services	0.49	0.65	0.67	0.70
TDW	Tidewater, Inc.	Oil & Gas Equipment & Services	0.48	0.59	0.60	0.52
VTOL	Bristow Group Inc.	Oil & Gas Equipment & Services	0.45	0.58	0.57	0.48
AROC	Archrock, Inc.	Oil & Gas Equipment & Services	0.42	0.53	0.58	0.59
WHD	Cactus, Inc.	Oil & Gas Equipment & Services	0.38	0.60	0.67	0.72
RES	RPC, Inc.	Oil & Gas Equipment & Services	0.35	0.58	0.64	0.63
KGS	Kodiak Gas Services, Inc.	Oil & Gas Equipment & Services	0.30	0.43	0.42	—
AESI	Atlas Energy Solutions, Inc.	Oil & Gas Equipment & Services	0.27	0.48	0.48	—
SEI	Solaris Energy Infrastructure, Inc.	Oil & Gas Equipment & Services	0.25	0.36	0.43	0.48
LBRT	Liberty Energy, Inc.	Oil & Gas Equipment & Services	0.21	0.50	0.58	0.60

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
OIH	VanEck Oil Services ETF	Oil Services	SUB-IND	0.67	0.79	0.81	0.83
IEZ	iShares US Oil Equipment & Services	Oil Services	SUB-IND	0.66	0.79	0.81	0.82
VDE	Vanguard Energy ETF	Energy Sector	SECTOR	0.45	0.65	0.70	0.74
FENY	Fidelity MSCI Energy ETF	Energy Sector	SECTOR	0.44	0.64	0.69	0.74
IYE	iShares US Energy ETF	Energy Sector	SECTOR	0.43	0.63	0.68	0.74
XLE	Energy Select Sector SPDR	Energy Sector	SECTOR	0.42	0.62	0.68	0.73
IEO	iShares US Oil & Gas E&P ETF	Oil & Gas E&P	SUB-IND	0.35	0.61	0.66	0.72
XOP	SPDR S&P Oil & Gas E&P ETF	Oil & Gas E&P	SUB-IND	0.33	0.61	0.66	0.70
CRAK	VanEck Oil Refiners ETF	Oil Refiners	SUB-IND	0.30	0.48	0.54	0.59
AMLP	Alerian MLP ETF	Energy Infrastructure	INDUSTRY	0.24	0.44	0.53	0.58
SPY	SPDR S&P 500 ETF	S&P 500	BROAD	0.23	0.43	0.39	0.45
VOO	Vanguard S&P 500 ETF	S&P 500	BROAD	0.23	0.42	0.39	0.45

NEXT STEPS

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Replacement research for OII's peers

NOV SLB INVX BKR WFRD HAL FTI TDW VTOL AROC WHD RES KGS AESI SEI LBRT

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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.