Five trading days. A Middle East war scare on Monday. Iran rejecting a ceasefire on Tuesday. A surprise ceasefire announcement Wednesday afternoon. Oil collapsing from above $110 to below $95. And this morning, a Statistics Canada jobs report showing the labour market rebounded in March after two consecutive months of losses. Investors who tried to trade any single one of those headlines are now sitting with the consequences of having traded all of them.

This is the week behavioral finance research was built to describe. The dominant story changed direction three times in five sessions, and at each turn, the loudest voices on financial television were certain about something that turned out to be wrong by Wednesday. The clients most likely to call Friday morning are not the ones who held steady. They are the ones who acted on Monday’s certainty.

Brent Crude — Five Days of Whipsaw
USD per barrel, April 6 to April 9, 2026
Mon Tue Wed AM Wed PM Thu ~$112 ~$95
Source: BNN Bloomberg, Trading Economics

The Decision Is Now the Story

Behavioral finance has a name for what happens to a client between Monday’s sell and Friday’s recovery. It is called counterfactual regret, and it is one of the most reliably damaging forces in private wealth. The realized loss is small compared to the cognitive cost of having to live, every day from now on, with the version of the portfolio that did not get sold. Each headline showing the TSX rallying becomes a private accusation.

The clients calling Friday morning are not asking for market analysis. They already have the analysis — the analysis is what scared them on Monday. What they need is permission to stop relitigating the decision. The advisor’s job in this conversation is not to defend the sale or to criticize it. It is to redirect the client’s attention forward, because counterfactual regret resolves only when a new decision replaces the old one.

Recency Bias Is Already Resetting the Anchor

Here is what is remarkable about a five-day whipsaw. The same client who, on Monday, believed $120 oil was a real and present danger is now, on Friday, treating $95 oil as the natural state of the world. The Monday fear has not been processed or examined — it has simply been overwritten. This is recency bias doing what it always does, and it is the reason the same client may make the exact same mistake the next time a headline-driven shock arrives.

The teaching opportunity this week is unusually clean. The advisor can say, with the receipts in hand: this is what it feels like inside a five-day reversal. This is what your decision-making looked like at the bottom of the dip. This is what the cost was. The lesson does not require a lecture — it requires showing the client their own week in sequence and asking what they want the next one to look like.