S&P pullbacks: Watch for the sharp rebound

If past behavior is any indication, Tuesday's market rally may be only the beginning.

At Monday's lows, the S&P 500 was down more than 7 percent from its 52-week high.

Read MoreS&P breaks key level, but usually rebounds

Over the last 25 years, when the market has pulled back by that same amount, it has rebounded a month later 70 percent of the time, with an average gain of 1.6 percent.

Going out four months, the market rebounded some 80 percent of the time, with an average gain of 6.8 percent, according to Morningstar data.

Following are average percentage changes in the S&P 500 one, two, three and four months after a range of pullbacks.

% Pullback
1-Month
2-Months
3-Months
4-Months
-5% 1.79 3.24 4.72 5.28
-6% 1.4 2.32 3.97 4.77
-7% 1.63 2.61 4.71 6.82
-8% 2.21 3.13 5.07 7.44
-9% 3.54 3.42 4.97 8.2
-10% 2.1 0.92 4.79 7.57
-15% 3.67 3.61 7.59 9.44

—Data by CNBC's Pradip Sigdyal