Portfolio Construction Memo
Date: January 14, 2026
Portfolio Universe: highwater, mt2x, persistent, tellurian, quantstrat, syntax, velox
Risk-Free Rate: 4.00%
Max Weight Constraint: 40.0%
CVaR Alpha: 5.0%
1. Executive Summary
Recommended Allocation: MaxSharpe
| Metric | Value |
|---|
| Expected Return | 19.6% |
| Volatility | 1.9% |
| Sharpe Ratio | 8.35 |
| CVaR (95%) | -0.04% |
| Max Drawdown | -0.41% |
Rationale: The MaxSharpe portfolio delivers the highest risk-adjusted return among all optimization objectives, achieving a Sharpe ratio of 8.35 compared to 3.56 for EqualWeight. While the expected return is modestly lower than EqualWeight (19.6% vs 22.3%), the dramatic reduction in volatility (1.9% vs 5.2%) and tail risk (CVaR of -0.04% vs -0.26%) makes this the superior choice for institutional allocation. The portfolio maintains acceptable diversification while concentrating capital in the most efficient return-generating strategies.
Source: portfolio_performance.csv
2. Correlation Analysis
2.1 Correlation Matrix
| highwater | mt2x | persistent | tellurian | quantstrat | syntax | velox |
|---|
| highwater | 1.00 | 0.16 | -0.07 | 0.03 | 0.03 | -0.06 | 0.08 |
| mt2x | 0.16 | 1.00 | -0.01 | 0.21 | 0.01 | -0.01 | 0.04 |
| persistent | -0.07 | -0.01 | 1.00 | 0.05 | 0.10 | 0.26 | 0.05 |
| tellurian | 0.03 | 0.21 | 0.05 | 1.00 | -0.17 | -0.01 | 0.05 |
| quantstrat | 0.03 | 0.01 | 0.10 | -0.17 | 1.00 | 0.13 | -0.05 |
| syntax | -0.06 | -0.01 | 0.26 | -0.01 | 0.13 | 1.00 | -0.02 |
| velox | 0.08 | 0.04 | 0.05 | 0.05 | -0.05 | -0.02 | 1.00 |
Source: portfolio_correlation.csv
2.2 Diversification Assessment
| Metric | Value | Assessment |
|---|
| Max Correlation | 0.26 | Good |
| Negative Correlations | 8 pairs | highwater/persistent, highwater/syntax, mt2x/persistent, mt2x/syntax, tellurian/quantstrat, tellurian/syntax, quantstrat/velox, syntax/velox |
| Correlation > 0.5 | 0 pairs | None |
Key Observations:
- Exceptionally low inter-strategy correlations with maximum pairwise correlation of only 0.26 (persistent/syntax), indicating strong diversification potential
- Eight strategy pairs exhibit negative correlations, providing natural portfolio hedging benefits
- No high correlation concerns (all below 0.30), suggesting each strategy contributes unique return sources
- The tellurian/quantstrat pair (-0.17) offers the strongest inverse relationship for tail risk mitigation
3. Optimization Results
3.1 Performance Comparison
| Portfolio | Exp. Return | Volatility | Sharpe | CVaR(95) | Max DD |
|---|
| EqualWeight | 22.3% | 5.2% | 3.56 | -0.26% | -1.46% |
| MaxSharpe | 19.6% | 1.9% | 8.35 | -0.04% | -0.41% |
| MinVar | 15.2% | 1.4% | 7.88 | -0.04% | -0.21% |
| RiskParity | 17.2% | 2.0% | 6.61 | -0.07% | -0.51% |
| CVaR | 14.6% | 1.3% | 7.98 | -0.03% | -0.25% |
Source: portfolio_performance.csv
3.2 Weight Allocations
| Strategy | EqualWeight | MaxSharpe | MinVar | RiskParity | CVaR |
|---|
| highwater | 14.3% | 7.4% | 2.6% | 7.1% | 0.9% |
| mt2x | 14.3% | 2.7% | 1.9% | 6.0% | 0.7% |
| persistent | 14.3% | 31.6% | 14.6% | 17.1% | 13.0% |
| tellurian | 14.3% | 1.1% | 0.5% | 3.0% | 0.4% |
| quantstrat | 14.3% | 10.4% | 30.8% | 24.7% | 36.1% |
| syntax | 14.3% | 7.3% | 15.1% | 17.5% | 8.9% |
| velox | 14.3% | 39.4% | 34.4% | 24.8% | 40.0% |
Source: portfolio_weights.csv
3.3 Analysis
- MaxSharpe delivers 2.3x improvement in risk-adjusted returns over EqualWeight (Sharpe of 8.35 vs 3.56) by concentrating in velox (39.4%) and persistent (31.6%), which offer superior return-per-unit-risk characteristics
- MinVar and CVaR portfolios favor quantstrat and velox, achieving the lowest volatility profiles (1.3-1.4%) but sacrificing 4-7 percentage points of expected return
- RiskParity provides balanced exposure across strategies but delivers only 6.61 Sharpe, underperforming MaxSharpe by 26% on risk-adjusted basis
- All optimized portfolios dramatically reduce tellurian and mt2x exposure (0.4-6.0% vs 14.3% EqualWeight), suggesting these strategies contribute noise without commensurate return
4. Risk Contribution Analysis
Note: Risk contribution file not available; analysis based on portfolio weights as proxy for risk allocation.
4.1 Recommended Portfolio Weights
| Strategy | Weight | Role |
|---|
| velox | 39.4% | Primary - Anchor allocation driving portfolio returns |
| persistent | 31.6% | Primary - Core holding with stable return profile |
| quantstrat | 10.4% | Secondary - Diversification and moderate return contribution |
| highwater | 7.4% | Satellite - Portfolio stabilizer with negative correlations |
| syntax | 7.3% | Satellite - Diversification benefit via low correlations |
| mt2x | 2.7% | Satellite - Minimal allocation, retained for diversification |
| tellurian | 1.1% | Satellite - De minimis holding, candidate for exclusion |
4.2 Concentration Assessment
| Metric | Value |
|---|
| Top 1 Strategy Weight | 39.4% (velox) |
| Top 2 Strategies Combined | 71.0% (velox + persistent) |
| Strategies > 20% Weight | 2 (velox, persistent) |
| Strategies < 5% Weight | 2 (mt2x, tellurian) |
4.3 EqualWeight vs Optimized Comparison
| Metric | EqualWeight | Recommended (MaxSharpe) | Improvement |
|---|
| Volatility | 5.2% | 1.9% | -63% |
| Sharpe Ratio | 3.56 | 8.35 | +135% |
| Max Drawdown | -1.46% | -0.41% | -72% |
5. Implementation Considerations
5.1 Rebalancing
| Frequency | Recommendation |
|---|
| Calendar-based | Monthly |
| Drift trigger | 5% absolute |
5.2 Transaction Costs
| Factor | Estimate |
|---|
| Expected monthly turnover | 3-8% |
| Slippage assumption | 5 bps |
| Annual cost impact | 15-40 bps |
5.3 Liquidity & Sizing
| Account Size | Implementation Notes |
|---|
| < $1M | Full implementation feasible; may round small allocations (mt2x, tellurian) to zero |
| $1M - $10M | Standard implementation; all seven strategies can be sized appropriately |
| > $10M | Monitor capacity constraints on velox and persistent; may require phased entry for large reallocations |
6. Governance & Limits
6.1 Position Limits
| Strategy | Target | Min | Max |
|---|
| velox | 39.4% | 30% | 40% |
| persistent | 31.6% | 25% | 40% |
| quantstrat | 10.4% | 5% | 20% |
| highwater | 7.4% | 0% | 15% |
| syntax | 7.3% | 0% | 15% |
| mt2x | 2.7% | 0% | 10% |
| tellurian | 1.1% | 0% | 5% |
6.2 Drawdown Triggers
| Level | Threshold | Action |
|---|
| Watch | -0.5% | Increase monitoring frequency to daily; document conditions |
| Alert | -1.0% | Convene investment committee review; assess factor exposures |
| Action | -2.0% | Reduce gross exposure by 25%; halt new allocations |
| Stop | -3.0% | Reduce to 50% target weights; comprehensive strategy review required |
6.3 Rebalancing Triggers
| Trigger | Threshold | Action |
|---|
| Calendar | Monthly | Rebalance to targets on first business day |
| Single position drift | >5% | Partial rebalance of drifted position only |
| Aggregate drift | >10% | Full portfolio rebalance to all targets |
7. Recommendation
7.1 Final Allocation
| Strategy | Weight |
|---|
| velox | 39.4% |
| persistent | 31.6% |
| quantstrat | 10.4% |
| highwater | 7.4% |
| syntax | 7.3% |
| mt2x | 2.7% |
| tellurian | 1.1% |
| Total | 100.0% |
7.2 Conditions for Implementation
- Verify sufficient liquidity in velox and persistent to support 71% combined allocation without adverse market impact
- Confirm operational readiness for all seven strategies including trade execution infrastructure and risk monitoring systems
- Establish baseline performance attribution framework to distinguish strategy alpha from factor beta exposure
7.3 Key Risks to Monitor
| Risk | Indicator | Mitigation |
|---|
| Concentration Risk | Top 2 holdings exceed 70% | Monitor correlation regime changes between velox/persistent; consider RiskParity as fallback allocation |
| Capacity Constraints | Slippage exceeds 10 bps on rebalance | Phase large trades over multiple sessions; explore alternative execution venues |
| Regime Change | Sharpe ratio falls below 4.0 for 3 consecutive months | Re-run optimization with updated data; consider rotation to MinVar or CVaR portfolio |
| Correlation Breakdown | Any pairwise correlation exceeds 0.5 | Immediate review of affected strategies; reduce combined exposure if persistent |
Data Sources:
/Users/syntax/projects/finance/allocator_analysis/reports/full_portfolio/portfolio_weights.csv
/Users/syntax/projects/finance/allocator_analysis/reports/full_portfolio/portfolio_performance.csv
/Users/syntax/projects/finance/allocator_analysis/reports/full_portfolio/portfolio_correlation.csv