Chapter XV distinguishes ordinary uncertainty from events and counterparties that frustrate the narrator’s expectations of fair dealing. Livingston admits the existence of surprises that cannot be forecast precisely. His account is also a perspective from an earlier legal and market environment.
Risk plans should include gaps, unavailable liquidity, and dependencies that can change abruptly. A stop instruction is not a promise of an exact exit price. For a diversified investor, resilience can involve cash reserves, controlled leverage, and avoiding a single point of failure; it cannot mean eliminating all uncertainty.
Worked example
A hypothetical stop triggers at $95, but the next available execution is $88 after a gap. On 100 shares, proceeds are $700 below the trigger-price calculation. Exact execution depends on the order and market conditions.
Case connection
On 15 January 2015 the Swiss National Bank discontinued its minimum exchange-rate policy. A policy participants had relied on changed abruptly, illustrating why an assumed stabilising rule belongs on a risk checklist.
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
List one price risk, one liquidity risk, and one institutional dependency for a hypothetical investment.