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GPMv (DMS)

GPMv (DMS) is a tactical asset allocation strategy reviewed on a monthly cadence. Its hypothetical backtest runs through 2026-07-23. BestFolio supplies the public rule or approach and backtest context; current signals, allocations, and paid interactive data remain restricted to Pro access. The recorded 2022-05-23 publication or construction boundary separates pre-publication simulation from later market observations under fixed rules; all returns remain hypothetical. Users review each scheduled signal and place any resulting trades in their own brokerage. BestFolio does not execute trades or provide personalized investment advice.

Cadence
Monthly
Backtest data through
2026-07-23
History boundary
The recorded 2022-05-23 publication or construction boundary separates pre-publication simulation from later market observations under fixed rules; all returns remain hypothetical.
Rule / approach
1. Compute average momentum and correlation-adjusted z_score for all 14 assets 2. Count n_positive risky assets; n_positive_v = n_positive + 1 3. safety_pct = 2 × (11 - n_positive_v) / 11, clamped to [0, 1] 4. If n_positive_v >= 6 → top 3…
BestFolio supplies
the public rule or approach and backtest context; current signals, allocations, and paid interactive data remain restricted to Pro access
Customer action
Review each scheduled signal and place any required trades in your own brokerage; BestFolio does not execute orders.
Costs and exclusions
net of a modeled one-way transaction cost (10 bps, scaled up to 3x under stress); taxes, fund-expense drift, or market impact are not modeled
Freshness
The latest available backtest ends 2026-07-23. A run timestamp is not exposed here, so no stronger freshness claim is made.
Next expected action
First trading day of August; scheduled 2026-08-03 at 09:30 ET. Review the published signal before placing any trade.

GPMv (DMS) at a glance

GPMv (DMS) is a tactical asset allocation (TAA) strategy by Randy Harris (DMS variant of Keller & Keuning's GPM) across US Equity, Tech, Mid-Cap, Pacific, rebalanced monthly. Backtested 1987-12-31 to 2026-07-23 (38.5 years): 10.2% CAGR, 1.26 Sharpe, -14.4% max drawdown, 8.6% volatility.

Type
Tactical (TAA)
Author
Randy Harris (DMS variant of Keller & Keuning's GPM)
Rebalancing
Monthly
Risk
Moderate
Period
1987-12-31 to 2026-07-23
CAGR
10.2%
Sharpe
1.26
Max Drawdown
-14.4%
Volatility
8.6%

GPMv (DMS) Tactical Asset Allocation Strategy

GPMv is Randy Harris's DMS adaptation of GPM by Keuning & Keller. It uses correlation-adjusted momentum z-scores across 11 risky and 3 safe assets. The key GPMv modification is n_positive_v = n_positive + 1, allowing quicker re-entry into risky assets after sell-offs. The safety fraction scales linearly with market breadth.

GPMv (DMS): frequently asked questions

What is GPMv (DMS)?
Randy Harris's variant of Generalized Protective Momentum (GPM), the breadth-and-correlation crash-protection strategy created by Wouter Keller and Jan Willem Keuning. Correlation-based selection across 11 risky assets with a modified re-entry formula for quicker equity exposure after drawdowns; top 3 by score, with the safety fraction scaling to market breadth. Monthly rebalancing.
Who created the GPMv (DMS) strategy?
GPMv (DMS) was developed by Randy Harris (DMS variant of Keller & Keuning's GPM). It is based on Keuning, J.W. & Keller, W.J. (2016). Generalized Protective Momentum (GPM).
What is the historical return and maximum drawdown of GPMv (DMS)?
Backtested from 1987-12-31 to 2026-07-23, GPMv (DMS) returned 10.2% CAGR with a -14.4% maximum drawdown and a Sharpe ratio of 1.26. Past performance does not guarantee future results.
How often is GPMv (DMS) rebalanced?
GPMv (DMS) is rebalanced monthly. BestFolio publishes the updated allocation signal each period.
Is GPMv (DMS) a tactical asset allocation strategy?
Yes. GPMv (DMS) is a tactical asset allocation (TAA) strategy: it adjusts its holdings based on market signals each period rather than holding a fixed allocation.

Backtest Performance (1987-12-31 to 2026-07-23)

MetricGPMv (DMS)
CAGR10.2%
Max Drawdown-14.4%
Sharpe1.26
Sortino1.88
Volatility8.6%
Calmar0.71
Total Return4158.9%
Backtest Period38.5 years

Strategy Details

Type
Tactical (TAA)
Rebalancing
monthly
Risk Level
moderate
Variants
1
Author
Randy Harris (DMS variant of Keller & Keuning's GPM)
Source
Keuning, J.W. & Keller, W.J. (2016). Generalized Protective Momentum (GPM)

Asset Classes

  • US Equity
  • Tech
  • Mid-Cap
  • Pacific
  • Europe
  • Gold
  • Commodities
  • REITs
  • High Yield Bonds
  • Corporate Bonds
  • Long-Term Treasuries
  • Short-Term Treasuries

Further reading

New to this approach? Read what tactical asset allocation is and how it works.

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