Antarctica Asset Management

Portfolio recommendation

As of 2026-03-31

Tilt toward stronger risk-adjusted monthly returns while respecting soft business constraints.

Tilt toward assets with stronger realised risk-adjusted monthly returns, subject to caps in constraints.json and turnover. This recommendation is designed to be explainable in a stakeholder debrief rather than hidden behind a black-box optimiser.

Decision summary

Expected monthly return
0.79%
Monthly uplift vs current
0.07%
From 0.72% current
Excess vs benchmark (monthly)
-1.09%
Portfolio expected minus benchmark avg
Annualised volatility proxy
4.3%
One-way turnover
7.1%
Benchmark (avg monthly)
1.88%
Benchmark (level series from take-home data)
Material weight changes
8 / 10
Constraint status
2 of 3 violated
See Data Quality panel for detail

Data Quality Resolutions

  • [holdings]Duplicate ISIN NTA002E0002: "Coralis Holdings" and "Coralis Group" (weights merged: 0.08)Merged into one record, summed weights, kept first name
  • [holdings]Asset class "equity" normalized to "Equity" for NTA002E0002Mapped to canonical value matching constraints keys
  • [holdings]Asset class "fixed-income" normalized to "Fixed Income" for NTA006F0006Mapped to canonical value matching constraints keys
  • [holdings]Asset class "FI" normalized to "Fixed Income" for NTA007F0007Mapped to canonical value matching constraints keys
  • [holdings]Currency "US$" normalized to "USD" for NTA004E0004Mapped to ISO currency code
  • [holdings]Weights sum to 0.9800, not 1.02.0% treated as unallocated cash
  • [prices]9 rows with non-standard date formats (2 Excel serial, 4 ISO timestamp, 3 DD/MM/YYYY)All parsed successfully via unified date normalizer
  • [prices]1513 price values encoded as strings (20.2% of rows)Coerced to numbers via parseFloat
  • [prices]NTA003E0003 has 21 price outlier(s) beyond 3 sigma: 66.41, 65.59, 66.44, 66.13, 65.17, 63.73, 65.27, 63.50, 63.44, 64.82, 64.04, 64.33, 63.53, 64.14, 64.24, 64.07, 63.78, 62.62, 64.85, 64.95, 66.55Flagged for review; included in calculations unless manually excluded
  • [prices]NTA009A0009 has 1 price outlier(s) beyond 3 sigma: 81.08Flagged for review; included in calculations unless manually excluded
  • [benchmark]6 duplicate dates with conflicting levelsLast entry wins (later entry treated as a correction)
  • [constraints]Asset class caps sum to 0.90, not 1.0Remaining 10% headroom can be allocated to cash or unclassified assets

Constraint Compliance

  • Max Assets: 10 unique holdings / 5 limitSoft violation: tilt-based optimizer retains all 10 unique holdings. A hard Sharpe-selection step (zeroing out bottom performers) would enforce the limit of 5 strictly.
  • Weight Bounds: [2%–25%] per asset
  • Asset Class Caps: 30% per class (Equity · Fixed Income · Alternatives)Equity (37.5% > cap 30%); Fixed Income (32.5% > cap 30%)

Allocation

Current vs recommended weights

Soft constraints

Sector exposure check

Equity
Above max37.5% · range 0%30%
Fixed Income
Above max32.5% · range 0%30%
Alternatives
OK30.0% · range 0%30%

Methodology

How the recommendation was produced

  • Monthly return is month-on-month from month-end levels:r = P(end)/P(prev) - 1(arithmetic; log returns would rank similarly for small moves).
  • Each month uses the last available daily price in that calendar month; rows with non-numeric or non-positive prices are dropped at load. Sparse months reduce the return sample—no forward-fill across missing dates.
  • Assets are scored with annualised return ÷ annualised volatility (a Sharpe-like ranking), then tilted from current weights—not a full covariance Markowitz solve.
  • Soft constraints (min/max line, asset-class caps, turnover) are enforced by iterative projection and rescaling, so violations shrink but are not guaranteed zero without a constrained QP.
  • Deterministic pipeline suitable for debrief: inspect data → metrics → tilt → constraints.

Analytics

Portfolio insights

Date range

Portfolio

Funds

Cumulative return (%) vs start of range

Data: Apr '23Mar '26

Recommendation

Proposed asset weights

AI analysis in progress

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Sector

Direction

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10 assets

6F0006

Corporate Bond Fund

NTA006F0006

-0.2%
Current
12.2%
Recommended
12.1%
Sector
Fixed Income
Score
1.47

0A0010

Orion Hedge Fund

NTA010A0010

+2.9%
Current
8.2%
Recommended
11.1%
Sector
Alternatives
Score
1.31

5F0005

Treasury 10Y Note

NTA005F0005

-1.6%
Current
12.2%
Recommended
10.7%
Sector
Fixed Income
Score
0.63

2E0002

Coralis Holdings

NTA002E0002

+1.9%
Current
8.2%
Recommended
10.0%
Sector
Equity
Score
2.14

7F0007

Municipal Bond ETF

NTA007F0007

-1.5%
Current
11.2%
Recommended
9.7%
Sector
Fixed Income
Score
0.28

8A0008

Crescent Commodities Index

NTA008A0008

+0.4%
Current
9.2%
Recommended
9.6%
Sector
Alternatives
Score
0.25

9A0009

Helio Real Assets

NTA009A0009

+1.2%
Current
8.2%
Recommended
9.4%
Sector
Alternatives
Score
0.27

1E0001

NovaTech Inc

NTA001E0001

-2.9%
Current
12.2%
Recommended
9.3%
Sector
Equity
Score
0.32

3E0003

Kestrel Global

NTA003E0003

-0.9%
Current
10.2%
Recommended
9.3%
Sector
Equity
Score
0.48

4E0004

Aegis Partners

NTA004E0004

+0.7%
Current
8.2%
Recommended
8.9%
Sector
Equity
Score
0.50