Sell S&P 500 below 1850- invalid

High risk:
Sell S&P 500 below 1850 if it stays below & drops further, for 30 minutes expiration

Result: invalid
Resistance @ 1850 was only temporary as S&P 500 broke above 1850 after 1pm EST & turned it into support

Watch S&P 500 @ 1850 tomorrow
Buy S&P 500 @ 1850 if it continues to stay above & go higher