Premier Stochastic

What is the Premier Stochastic?

The Premier Stochastic is a smoothed, rescaled variant of the stochastic oscillator, introduced by Lee Leibfarth in a 2008 Technical Analysis of Stocks & Commodities article. It takes a short-lookback %K (eight bars in the original), centers and rescales it around zero, double-smooths it with exponential moving averages, then compresses the result through an exponential normalization from the same sigmoid family as the inverse Fisher transform. The output runs between -1 and +1.

The transform is the point. A raw stochastic wobbles through the middle of its range, which makes threshold rules noisy; the sigmoid steepens movement through the center and flattens it near the bounds, so the line tends to travel decisively between extremes and then level off. Standard plots mark inner thresholds at ±0.2 and outer thresholds at ±0.9, read as momentum-shift and stretched-momentum zones. The smoothing that cleans the line also adds lag, the usual trade.

How traders use it

• Threshold signals: crossings back out of the ±0.9 extreme zones are read as momentum fading from a stretched state, and crossings through the ±0.2 band as fresh directional shifts. Neither is a standalone entry; in a strong trend the line can ride an extreme for many bars.
• As a drop-in replacement for a raw stochastic in overbought/oversold logic when the raw line flips too often: the double EMA smoothing suppresses one-bar whipsaws at the cost of slightly later signals.
• Divergence reads: as with other bounded oscillators, a new price high the Premier Stochastic fails to match is read as thinning momentum, with the usual caveat that divergences can persist before they matter.