Trader Chris Pulver says a new SEC document dropping the day-trading limit to $2,000 has created the biggest retail opportunity he has seen in over 30 years.

His strategy targets what he calls Flashpoints - moments when market makers must move billions of dollars on the S-P 500 in a narrow window. Research shows one recent signal would have returned 83.7% in 36 minutes and another 62.8% in 51 minutes.

Lance Ippolito flew to Utah for a full breakdown of the method.