Jim Chanos / 2001 / Equity Short
The accounts told another story.
Jim Chanos and the gap between reported success and economic reality.
Before the outcome was obvious.
Enron’s collapse is a reminder that accounting deserves the same attention as a company’s ambition. The workbook attributes Chanos’s short to forensic analysis. The SEC later alleged that Enron executives used reserves, segment reporting and special-purpose entities to manipulate financial results. Those allegations provide context for the underlying question: how much of the reported performance represented durable economics? The short expressed scepticism about the numbers behind a celebrated business.
What could have gone wrong
An opaque company can remain expensive for a long time. Borrow availability, rising prices and public confidence can all work against a short seller.
Follow the cash and the obligations. Complexity should increase the demand for evidence.
Put the thesis to the test.
Change the assumptions and watch the arithmetic update. These are simplified scenarios; they do not recreate the instrument’s pricing or the path of the trade.
How this model works
Profit ratio = profit ÷ stated position. Exposure ratio = stated position ÷ fund assets. Neither is a measure of maximum loss or a net investor return.
The workbook’s simple annualisation is profit ratio × 365 ÷ duration = 100%. It is linear, not compounded, and is not a repeatable annual return. Fees, financing, collateral, premium carry and changing exposures are not modelled.
What these figures mean.
Source: Legendary Trades Models, Master Comparison!A9:L9; Trade P&L Models, case 6. The following are original workbook inputs, preserved for transparency. They are estimates, not independently audited results.
- Workbook position
- $500m
- Workbook “gross profit”
- $500m
- Workbook duration
- 365 days
- Workbook fund assets
- $3bn
- Workbook fund return
- 25%
- Workbook position ROI
- 100%
The fund-return field is a separate source claim, not a calculated result of this trade. Its reporting period and gross/net basis are not independently established here. Model ratios are recalculated from inputs rather than copied from rounded source ROI values.
Historical context: SEC · Skilling and Causey enforcement release ↗. This source supports the context discussed above; it does not validate every workbook input.