Buy S&P Futures @ 1870- win

Buy S&P 500 @ 1870 or S&P Futures @ 1870 at higher risk if it stays above & goes higher, for 30 minutes expiration

S&P 500 rebounded around 1870, 2nd possible support @ 1875.45 (S&P Futures @ 1870), 3rd @ S&P 500's 1880

Results: win
S&P 500 went higher & stayed above 1880 temporarily but it's too high & dropped after forming resistance @ 1882
Buy S&P 500 @ 1875.45 (or S&P Futures @ 1870) as it dropped to 1875.45, stayed above it & went higher
Buy S&P 500 @ 1870 is invalid as it didn't drop to 1870 anymore