The source we formerly gleaned this from is unavailable, and most other reporting wires omit the ND01H because it's very illiquid and dubiously reliable. The rest pales in comparison. Actually, that's just how one will have to as all odds look bleak from where we lie here tonight. The possibility exists of total market meltdown this week, but the next oversold rally can always emerge without warning. Ratio listed is percentage of calls to puts or puts to calls respectively.
Support is factored from dividing puts by calls at strike levels beneath index closing price.
Resistance is factored from dividing calls by puts at strike levels above current closing price. Small specs are the general trading public with commercials being financial institutions. Commercials are historically on the correct side of future trend changes while small specs are not. Extreme divergence between each signals a possible market turn in favor of the commercial trader's direction.