Optimizing the Pairs-Trading Strategy Using Deep Reinforcement Learning with Trading and Stop-Loss Boundaries

Table 1

The 25 stocks on the S&P 500 Index used in this study.

No.	Ticker	Stock	Sector
1	AAPL	Apple Inc.	Technology
2	MSFT	Microsoft Corporation	Technology
3	BRKa	Berkshire Hathaway Inc.	Financial Services
4	JPM	JPMorgan Chase & Co.	Financial Services
5	JNJ	Johnson & Johnson	Healthcare
6	XOM	Exxon Mobil Corporation	Energy
7	BAC	Bank of America Corporation	Financial Services
8	WFC	Wells Fargo & Company	Financial Services
9	WMT	Walmart Inc.	Consumer Defensive
10	UNH	UnitedHealth Group Incorporated	Healthcare
11	CVX	Chevron Corporation	Energy
12	T	AT&T Inc.	Communication Services
13	PFE	Pfizer Inc.	Healthcare
14	ADBE	Adobe Systems Incorporated	Technology
15	MCD	McDonald's Corporation	Consumer Cyclical
16	MDT	Medtronic plc	Healthcare
17	MMM	3M Company	Industrials
18	HON	Honeywell International Inc.	Industrials
19	GE	General Electric Company	Industrials
20	ABT	Abbott Laboratories	Healthcare
21	MO	Altria Group, Inc.	Consumer Defensive
22	UNP	Union Pacific Corporation	Industrials
23	TXN	Texas Instruments Incorporated	Technology
24	UTX	United Technologies Corporation	Industrials
25	LLY	Eli Lilly and Company	Healthcare