The Canadian Index

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Line chart showing Shopify's stock price surging 17 percent after August earnings, months after falling on similar results.

Shopify shares jumped 16.98% on Wednesday to close at $144.24, after the company beat second-quarter revenue estimates with 34% year-over-year growth. Three months earlier, Shopify reported the identical 34% growth rate for the first quarter and the stock fell 16% instead, as investors fixated on rising expense guidance rather than the top line. The nearly opposite reactions to comparable results show how much a single day's stock move can hinge on which narrative dominates that week, rather than on the underlying business itself.

This chart is presented for general informational purposes only and does not constitute financial, investment, tax, or legal advice. Figures reflect the source and period indicated and may no longer be current.

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Line chart showing the S&P/TSX Composite closing higher after a volatile week driven by war-related headlines.

Kahneman and Tversky's loss aversion research helps explain the sequence: losses recorded during a decline carry roughly twice the…

Why the TSX's Two-Day Rebound Is the Most Dangerous Data Point on the Chart

September 4, 2026

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Bar chart comparing five Canadian banks' Q3 profit growth against their stock price reaction on earnings day.

Anchoring bias, not disappointment, explains this week's mismatch between Canadian bank earnings and stock reactions.

Why TD's 38% Profit Jump Moved the Stock Less Than Scotiabank's 18%

August 28, 2026

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Line chart comparing University of Michigan consumer sentiment with the S&P/TSX Composite over 13 months to September 2026.

Consumer sentiment and the Canadian equity index have moved in opposite directions in most months of the past year.

Consumer Sentiment Falls While the TSX Rises

September 28, 2026

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Line chart of the Cboe VIX volatility index from late August to September 23, 2026, hovering in the mid-teens.

The VIX estimates how much the options market expects stocks to move over the next thirty days, so it can stay quiet while individual sessions are violent.

VIX Stays Subdued While the TSX Swings

September 24, 2026

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Bar chart of the TSX Composite's daily percentage swings from August 10 to September 4, 2026, showing an unusually volatile six-session stretch.

The TSX has broken its own recent volatility average in five of the last six sessions, a stretch triggered by Washington's tariffs on…

Why This Week Feels Worse Than the TSX Actually Performed

September 8, 2026

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Line chart showing the VIX volatility index holding a narrow range through late August 2026 despite trade war headlines.

The VIX has held a narrow range for most of August even as Ottawa confirmed C$27.6 billion in retaliatory tariffs and Washington unveiled a sweeping new Iran sanctions campaign.

The VIX Has Not Moved in Three Weeks. That Is Not the Same as Markets Judging the Trade War Small.

August 26, 2026

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