complacent

He never rests on yesterday’s successes and doesn’t get complacent.

Wall Street has been too complacent about inflation, and too quick to predict the Federal Reserve will cut interest rates, for years.

"Markets appear complacent as the ground shifts," it said in its financial stability report, which noted risks from trade tensions, geopolitical uncertainty and rising sovereign indebtedness.

In its semiannual report on financial stability, the IMF wrote: “Risk asset prices are well above fundamentals, increasing the probability of disorderly corrections…Markets appear complacent as the ground shifts.”

Looking back, there were signs that investors were beginning to feel a bit too complacent.