Charts
Pring's Know Sure Thing (KST)
The Pring's Know Sure Thing (KST) indicator is a momentum oscillator based on the smoothed rate-of-change for four different timeframes. Pring frequently applied trend lines to KST. Although trend line signals do not occur often, Pring notes that such breaks reinforce signal line crossovers.
![](Content/technical-indicators/screenshots/prings-know-sure-thing.png)
Configuration Options
![](Content/technical-indicators/dialogs/prings-know-sure-thing.png)
- Field: Price or combination of prices to use as the base for average calculations. Possible values include:
- Open
- High
- Low
- Close
- Adjusted Close
- HL/2 \( \left ( \frac{High + Low}{2} \right ) \)
- HLC/3 \( \left ( \frac{High + Low + Close}{3} \right ) \)
- HLCC/4 \( \left ( \frac{High + Low + Close + Close}{4} \right ) \)
- OHLC/4 \( \left ( \frac{Open + High + Low + Close}{4} \right ) \)
- Lightest Rate of Change Period: TBD
- Lightest SMA Period: TBD
- Light Rate of Change Period: TBD
- Light SMA Period: TBD
- Heavy Rate of Change Period: TBD
- Heavy SMA Period: TBD
- Heaviest Rate of Change Period: TBD
- Heaviest SMA Period: TBD
- Signal Period: TBD
- Color Selectors: Colors to use for graph elements.
- Display Axis Label: Whether to display the most recent value on the Y axis.
Formula
The indicator formula utilizes four different time frames to show overall momentum, and not just momentum over one specific timeframe:
- ROCMA1 = 10-Period SMA of 10-Period Rate-of-Change
- ROCMA2 = 10-Period SMA of 15-Period Rate-of-Change
- ROCMA3 = 10-Period SMA of 20-Period Rate-of-Change
- ROCMA4 = 15-Period SMA of 30-Period Rate-of-Change
\[ KST Line = (RoCMA1 \times 1) + (RoCMA2 \times 2) + (RoCMA3 \times 3) + (RoCMA4 \times 4) \]
Signal Line = 9-period SMA of KST
where, SMA stands for Simple Moving Average and ROC stands for Rate-of-Change.