SYNTHETIC DEMO PRICES — no live market quotes

MOCK WAL500$1003.42+12.87(+1.30%)
MOCK MOCK-B$682.04+3.21(+0.47%)
MOCK MOCK-C$615.88+4.92(+0.80%)
MOCK DEMO-AAPL$248.13-1.45(-0.58%)
MOCK DEMO-MSFT$487.62+2.18(+0.45%)
MOCK DEMO-NVDA$178.94+5.73(+3.30%)
MOCK DEMO-GOOGL$212.48+1.02(+0.48%)
MOCK DEMO-AMZN$245.71-0.84(-0.34%)
MOCK DEMO-META$728.55+6.41(+0.89%)
MOCK DEMO-TSLA$384.20-4.18(-1.08%)
MOCK DEMO-BRK.B$502.66+0.92(+0.18%)
MOCK WAL500$1003.42+12.87(+1.30%)
MOCK MOCK-B$682.04+3.21(+0.47%)
MOCK MOCK-C$615.88+4.92(+0.80%)
MOCK DEMO-AAPL$248.13-1.45(-0.58%)
MOCK DEMO-MSFT$487.62+2.18(+0.45%)
MOCK DEMO-NVDA$178.94+5.73(+3.30%)
MOCK DEMO-GOOGL$212.48+1.02(+0.48%)
MOCK DEMO-AMZN$245.71-0.84(-0.34%)
MOCK DEMO-META$728.55+6.41(+0.89%)
MOCK DEMO-TSLA$384.20-4.18(-1.08%)
MOCK DEMO-BRK.B$502.66+0.92(+0.18%)

LLM Backtest

Backtest your trading strategy with plain English

Support has ended. Thank you for exploring this experiment.

The original backtesting and code-generation services have been retired. This page preserves a small interactive demonstration.

MOCK DATA ONLY: Every price, chart and value below is synthetic. These are fictional illustrations, not historical market data, actual investment performance, forecasts or investment advice.

Explore a synthetic monthly contribution model

Change the inputs to see how regular contributions and fees change the fictional balance. The price paths are fixed mathematical waves; no strategy is evaluated or generated.

Mock total contributions

$60,000

Mock final balance

$75,296

MOCK DATA — fictional balance paths

January 2021–December 2025 are illustrative date labels. Balances include contributions and do not represent a rate of investment return.

MOCK DATA — selected balances

Synthetic model A, annual snapshots
Date labelMock balance
2021-12-01$11,803
2022-12-01$23,381
2023-12-01$41,782
2024-12-01$47,790
2025-12-01$75,296