Buy S&P 500 @ 1766- invalid/ win at higher risk

Medium risk trade:
Buy S&P 500 @ 1766 if it stays above, for 30 minutes
S&P 500 possible support @ 1766, possible temporary resistance @ 1768, stronger resistance @ 1770

Result: invalid/ win at higher risk
S&P 500 expired @ 1767.27 at 11:30am EDT even after dropping below 1766 & slightly below 1765