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Allocator Agent

ChatGPT plugin

Portfolio construction & risk

View in ChatGPT directory

Allocator Agent brings C8's portfolio-construction engine into ChatGPT. Name the funds you are considering - tickers, ISINs or fund names; their daily history comes from C8's market data - or give it your own return or NAV series, and it computes what the target allocation should be under the constraints you set: per-asset bounds, asset-class bands, a maximum drawdown limit (conditional drawdown at risk, 99%), a turnover cap from your current weights, and a minimum or maximum number of holdings.

What you can do:

  • Build a model portfolio with one of fourteen construction methods, from inverse volatility and risk parity to constrained mean-variance and tactical allocation, and see which constraints bind.
  • Compare two to five set-ups side by side: what a drawdown cap costs in volatility, what a band changes, what a different method would have held.
  • Turn a target into a trade list from your current holdings, within a turnover limit.
  • Decompose a portfolio's risk: each holding's contribution, the same by asset class, the gap to your risk budgets, drawdown and concentration.
  • Evaluate performance over a period, or run a walk-forward backtest in which the portfolio is rebuilt at each date from the data available on that date only.

Every figure states its source - C8's validated engine, or arithmetic on top of it - and its basis. If a constraint set cannot be met, the answer says so and how close the engine got.

Allocator Agent is decision support for asset managers, wealth managers and investment teams. It works on public price history and the data you provide: it does not give personal investment advice, forecast returns, execute trades or hold client funds. Uploaded series and results are kept for 24 hours so that follow-up questions work, then deleted; holdings quantities and portfolio values are never stored.

No tool changes or deletes your data; results are kept for 24 hours as described above. Requires a C8 Allocator Agent account. You connect with your account email and a one-time code; no API keys.

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Movement

From our daily snapshots over the last 30 days.

Rank by placement

#10315of 11,3601,100places down24h1,845places down7d
#7,139#8,006#8,873#9,740Oct 6Oct 12Oct 18Oct 24Oct 30Nov 4

Rank in Finance

#855of 93591places down24h149places down7d
#628#691#754#817Oct 6Oct 12Oct 18Oct 24Oct 30Nov 4

In its category

How this plugin compares with others in the same category. Positions are counted within the category, not across the whole directory.

Finance855th of 935 by placement
#PluginPosition7d
853Lauki EMI Calculator#103081,851places down
854Lauki GST Calculator#103101,851places down
855Allocator AgentThis page#103151,845places down
856Vocasa#103161,845places down
857Cook County Tax Appeal#10322—

All 935 Finance plugins

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Example prompts

  • “Build a risk parity portfolio from VWRL.LSE, AGGG.LSE and IGLN.LSE in GBP.”
  • “Compare risk parity and inverse volatility on the same three funds.”
  • “What portfolio construction methods can you run?”
Categories
Made by
C8 Index Technologies (EU) Limited · Website
Sign-in
On Install
Capabilities
Portfolio construction, Scenario comparison, Rebalancing to target, Risk decomposition, Performance evaluation, Walk-forward backtests
Availability
Available
Version
1.0.2
Keywords
portfolio construction, asset allocation, risk parity, drawdown, backtest
Created
October 6, 2026
More info
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