Marlowe Keynes

MK Time Travel

Build portfolios with real historical data. See how your picks performed.

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Your Time Capsule

Curious what could have been? We thought you might find this interesting.

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Featured Historical Window

The 2008 Financial Crisis

September 2008 - March 2009

When the world's financial system nearly collapsed.

Bank failures in real-time
Government interventions
The bottom and recovery

Time Remaining

161

hours

:
29

minutes

:
36

seconds

"We've had people tell us after the fact they wish they'd moved earlier."

How It Works

1. Pick a Date

Choose any date from 1970 to today

2. Build Portfolio

Buy stocks at historical prices

3. Travel Through Time

Watch your investments grow (or shrink)

Pick Any Date
Choose any historical date from 1970 onwards
Real Historical Data
Access actual stock prices and economic indicators
Track Performance
See how your portfolio would have performed

"Most groups we've spoken to this quarter have already chosen their direction."

Data Integrity

Price Data

NYSE/NASDAQ historical archives

Economic Data

Federal Reserve FRED database

News Archives

Guardian, historical APIs

Methodology

Adjusted for splits, dividends

"We don't forecast. We underwrite."

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