Stochastic Momentum Index Crossovers for Directional Signals

Summary

This strategy uses the Stochastic Momentum Index (SMI) and an exponential moving average of the SMI as directional signal lines. The indicator normalizes the closing price’s position within a recent high-low range, then applies double exponential smoothing. A crossover of the SMI above its signal line triggers a long entry; a cross below triggers a short entry. The parameters include the range length and smoothing lengths, with defaults of 14, 3, and 3. The indicator display also marks overbought and oversold reference levels at +40 and -40.

The accompanying discussion presents smoothing as a way to reduce noise and describes the system as aimed at medium- to long-term trend turns. However, the code uses the crossover alone to place entries; it does not make the stated overbought and oversold levels a condition for confirming trades. No stop-loss or position-sizing rules are specified. The document notes lag, false signals in sideways markets, and sensitivity to parameter choices. Its published BTC futures test spans only a short period on 45-minute bars and includes no performance results, so it does not establish the strategy’s effectiveness.

Key ideas

• The SMI measures the close’s position within a recent high-low range and uses double EMA smoothing.
• Crosses between the SMI and its signal average trigger long or short entries.
• The indicator shows overbought and oversold reference levels, but the code does not use them as entry filters.
• The document highlights signal lag, sideways-market false signals, and parameter sensitivity.
• The published BTC futures test gives a short sample period but no performance results.

Tags

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.