Chapter VI describes sudden impulses around Livingston’s trading, including his Union Pacific episode in 1906. The narration gives intuition considerable weight. A reader must distinguish what the narrator remembers from evidence that those impulses could reliably forecast events.
Intuition may compress experience, but it can also express anxiety or selective memory. Convert a feeling into observable claims where possible. Ask how often similar feelings occurred without a useful result. A surprise that makes one trade profitable does not prove the trader could consistently foresee surprises.
Worked example
A diary contains 12 warnings: three precede declines and nine do not. Retelling only the three successes makes the intuition sound much more precise than the full record.
Case connection
The unexpected removal of the Swiss franc floor is useful here precisely because policy discontinuities challenge confident forecasts. A memorable successful position around such an event is not a reproducible forecasting rule.
The Swiss franc policy break
Source-grounded facts
The Swiss National Bank ended its CHF 1.20-per-euro floor, replacing a policy that market participants had relied upon.
Context
The Swiss National Bank had maintained a minimum rate of CHF 1.20 per euro. That policy formed part of the environment in which traders and businesses made currency decisions.
Outcome
The bank continued monitoring exchange-rate conditions after ending the floor. Removing one policy commitment did not mean abandoning monetary policy or promising a particular subsequent exchange rate.
Further analysis
A policy becomes part of the environment
The Swiss National Bank’s minimum rate of CHF 1.20 per euro was an important reference for businesses and investors. A participant could come to treat that boundary as a durable feature of the market, even though it depended on a policy decision and the central bank’s willingness to intervene. The resulting risk was not simply whether tomorrow’s quote would rise or fall. It also included the possibility that the mechanism supporting the observed range would change.
What changed on 15 January 2015
The bank announced that it would discontinue the minimum exchange rate. In the same announcement it lowered the interest rate on sight deposits to −0.75%. Ending the floor and changing an interest rate are distinct policy actions; they should not be compressed into a claim that the bank stopped conducting monetary policy. The later explanation from the bank’s chairman described rapidly increasing intervention needs against euro weakness. This provides institutional context for the decision, not a promise that traders could have predicted its exact timing.
From a policy assumption to an execution problem
When a major market reference changes abruptly, investors may all want to adjust at once. Available quotes and order-book depth can change faster than a pre-existing plan assumes. A stop instruction is an order with defined terms, not insurance against every gap or absence of liquidity. The educational point is not that every trader experienced the same fill or loss. It is that a planned exit level and an actual executable transaction are different things when the assumed environment breaks.
The same exchange-rate move has different consequences
A currency move affects participants according to their exposure. A business receiving foreign revenue, an importer with bills to pay, an unleveraged investor, and a leveraged trader need not experience the same result. The currency in which obligations are denominated also matters. It would be misleading to infer a universal percentage loss for all participants from a single exchange-rate chart. The size and direction of each exposure, financing terms, and available hedges must be specified before calculating the impact.
A useful review after the event
An after-the-fact explanation can make an abrupt change seem more predictable than it felt beforehand. Separate evidence that a policy faced pressure from evidence about when it would end. Then ask how the position depended on its continuation. An investment process can prepare for a discontinuity without claiming to forecast the exact announcement: it can identify concentrated dependencies, financing vulnerabilities, and the effect of imperfect execution. These are questions to investigate, not a guarantee that every loss can be avoided.
Common misconception
“A central-bank floor makes a position risk-free.” A policy commitment is not a personal guarantee of a trading result, permanent availability, or a particular exit price.
- On 15 January 2015, the bank announced that it was discontinuing the minimum exchange rate.
- It also lowered the interest rate on sight deposits to −0.75%.
- In April, its chairman explained that euro weakness had required interventions of rapidly increasing size, making the floor unsustainable.
Try it
Describe one intuitive concern using observable facts. Record what would show that the concern was misplaced.