Trading would rise to the level of gambling if the investor had a government body looking out for his/her interests. For example, the Nevada Gaming Commission protects the gambler's interests in Las Vegas.
The investor has the SEC, which attacks and repels the public at the behest of the financial industry.
Stock option arbitrageurs profited, in the past, from specific strategies in the options markets, but had to cancel often. The SEC then approved a cancel fee to eliminate the profits earned by these traders, who were mostly "public" traders (not broker-dealers).
The investor has the SEC, which attacks and repels the public at the behest of the financial industry.
Stock option arbitrageurs profited, in the past, from specific strategies in the options markets, but had to cancel often. The SEC then approved a cancel fee to eliminate the profits earned by these traders, who were mostly "public" traders (not broker-dealers).

