Webull Shares Plummet 6.64% to 249th in Trading Volume as Regulatory Scrutiny and Market Rotation Intensify

On October 7, 2025, Webull (BULL) reported a trading volume of $450 million, ranking 249th in market activity. The stock closed with a 6.64% decline, marking its largest single-day drop in recent months. The move followed mixed investor sentiment driven by regulatory scrutiny over platform risk disclosures and evolving market conditions in the fintech sector.

Analysts noted the decline was amplified by broader market rotation away from high-growth tech names, with Webull’s leveraged trading tools drawing particular caution. While the company maintains strong user engagement metrics, recent earnings calls highlighted margin pressures from competitive pricing strategies in brokerage services. Institutional investors have remained cautious, with short interest rising 12% in the preceding week.

The back-testing analysis confirms limitations in evaluating cross-sectional trading strategies for Webull. Current platforms cannot process multi-asset portfolio simulations required for daily rebalancing of 500 high-volume stocks. Alternative approaches include narrowing focus to single-security studies or conducting custom offline testing. These constraints underscore the complexity of modeling high-frequency trading strategies in volatile fintech equities.