Amber International shares surge 61.39% after-hours after reporting strong Q3 earnings and authorizing $50M share repurchase program.

Amber International Holding Limited (AMBR) surged 61.39% in after-hours trading following the announcement of its third-quarter 2025 unaudited financial results and a $50 million share repurchase program. The company reported a 1,934.6% year-over-year revenue increase to $16.3 million, a 3,189.7% rise in gross profit to $11.8 million, and a significant improvement in operating margin to +8%, driven by higher-margin revenue streams and cost discipline. The share repurchase program, reflecting confidence in its business momentum and long-term growth, further signaled strong financial positioning. Management highlighted 69.8% year-over-year growth in client assets to $1.84 billion and expanded institutional adoption, reinforcing the rationale for the buyback. These results and strategic actions aligned with the stock’s sharp after-hours rally.