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Table 1 First version of SAI

From: Development and validation of a stock addiction inventory (SAI)

No. Question Major reference (minor references)
1 Having borrowed money from friends or financial institutions or sold anything to get money to invest or trade PGSI (FMGQ, DSM-5 gambling disorder)
2 Having regretted or felt guilty about my excessive investments or trading PGSI
3 Having heard from others that I had problems with my investments or trading, regardless of whether I thought it was true PGSI (FMGQ)
4 My investments or trading has caused financial problems for me or my household PGSI
5 Having bet more than I could really afford to lose PGSI (FMGQ)
6 Having returned another day to try to win back the money I lost when investing or trading PGSI (FMGQ, DSM-5 gambling disorder)
7 My investments or trading has caused me health problems, including stress or anxiety PGSI
8 Having invested or traded to escape or alleviate negative moods (e.g., depression, anxiety, helplessness, guilt, stress) DSM-5 gambling disorder (FMGQ)
9 Having lied to family or others about how much I invest or trade or the amount of money involved in my investments or trading DSM-5 gambling disorder (FMGQ)
10 Having failed in my attempt to cut down or stop my investments or trading DSM-5 gambling disorder (FMGQ)
11 Having neglected or felt difficulties in family, occupational, or social lives, because of my investments or trading DSM-5 gambling disorder (FMGQ)
12 Having felt a craving or a strong desire or urge to make a great deal of money from my investments or trading DSM-5 other substance use disorders
13 Having spent increasing time or money on my investments or trading PGSI (FMGQ, DSM-5 gambling disorder)
14 Having been nervous, irritable, or anxious when trying to cut down or stop my investments or trading DSM-5 gambling disorder
15 Thoughts of reliving past investing or trading experiences, or expectations for next investments or trading have been an important part of my daily life DSM-5 gambling disorder
16 Having been preoccupied with the status of my investments or trading and have frequently checked on whether returns have gone up or down FMGQ
17 My investments or trading has become increasingly speculative or risky over time FMGQ
18 Having been restless or irritable when unable to be active in the markets, for example, when short of money, away on vacation, trying to cut back on my trading FMGQ
19 Having felt uncomfortable when any cash accumulated in my brokerage account and have tried to quickly find a way to keep it in action FMGQ
20 Having not opened brokerage statements to avoid having to think about my losses FMGQ
21 Having felt excessive expectation or suspense when checking my stock prices FMGQ
  1. SAI stock addiction inventory, PGSI problem gambling severity index, FMGQ financial markets gambling questionnaire, DSM-5 diagnostic and statistical manual of mental disorders, fifth edition