The system method I use does not predict prices. It is a trend switch that reverses from up to down or down to up very early as the trend is changing. It is entirely measured by daily price parameters, not by volume or any sentiment indicators.
Moving averages are late by definition. Oscillators are often early and often wrong. My method isn't perfect either, and one can lose, but much of the risk day to day is measurable in advance, and outsized moves against the old or new trend can be covered by stop limits beyond the measurements limits.
This explanation is to set the scene by what it's not.
The SPX open is OK, and the high so far today (11:30 AM EDT) is constructive for the long side. Except for Monday to early Tuesday, which was likely a wavelet 2 zigzag, SPX has been cruising up in mid channel since the Fool's Day. This is healthy.