There's one simple indicator that's making it feel like stocks are in a new bull market

• A simple indicator makes it feel like the stock market has entered a new bull market, according to Fundstrat's Tom Lee.
• Lee observed that stock market up-days over a rolling 20-day period surged to 65% last week.
• "We believe [the indicator] will soon reach 70%, aided by what we expect to be better than expected [earnings] results," Lee said.

There's a simple indicator that explains why investors might feel like a new bull market in stocks has arrived, according to a Monday note from Fundstrat's Tom Lee.

That indicator is the win ratio of stocks over a rolling 20-day period, which surged last week to its highest level since November 2021.