Position Impact Simulator

Preview how a hypothetical trade changes Portfolio Health, risk score, Greeks, exposure, stress-test sensitivity, and regime fit before placing any trade elsewhere.

No execution · Risk preview only

Selected portfolio

Lookback

Market data: Market data pending

Select a portfolio to preview impact.

Hypothetical Trade Builder

Build a trade ticket

Choose a hypothetical trade. Athena previews risk only; no orders are placed.

ActionAsset TypeSymbol

Symbol is required.

Quantity

Quantity must be greater than zero.

Price

Price is required before preview.

Override price manuallyEnter a symbol to fetch pricing.

Advanced assumptions

Slippage bpsTransaction cost bps

Equity, ETF, and crypto previews use price, quantity, transaction cost, and slippage assumptions. Option Greeks remain hidden because they are not relevant to this asset type.

Build a hypothetical trade to preview portfolio impact.

Athena compares your current portfolio against a simulated post-trade portfolio. No orders are placed.