AMEREN ILLINOIS CO 4.25PR (AILLO) Stock Price, News & Analysis
Price Move History
- Daily moves over 5%
- 0 43 sessions, August 28, 2025 to September 10, 2026
- Largest daily move
- +3.3% close of September 16, 2025
- 1-year change
- -0.6% closing prices, August 28, 2025 to September 10, 2026
Company Description
AILLO has declined 0.6% over the past year. The last closing price was $67.35.
This page collects what Stock Titan holds for AILLO, including price data, latest news, SEC filings, insider trading activity, financial highlights, upcoming events, and short interest trends.
Stock Performance
AMEREN ILLINOIS CO 4.25PR (AILLO) closed at $67.35 on September 10, 2026. Over the past 12 months, the price has lost 0.6%.
AILLO Metrics & Rankings
Price returns through September 10, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
SEC Filings
AMEREN ILLINOIS CO 4.25PR has filed 6 recent SEC filings, including 2 Form 8-K, 1 Form S-3ASR, 1 Form 10-Q, 1 Form DEF 14C. The most recent filing was submitted on August 24, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all AILLO SEC filings →
Financial Highlights
Upcoming Events
Short Interest History
Short interest in AMEREN ILLINOIS CO 4.25PR (AILLO) currently stands at 35 shares, representing 0.0% of the float. Since September 2025, short interest has decreased by 89.6%. This relatively low short interest suggests limited bearish sentiment. With 1000.0 days to cover, it would take significant time for short sellers to close their positions based on average trading volume.
Days to Cover History
Days to cover for AMEREN ILLINOIS CO 4.25PR (AILLO) currently stands at 1000.0 days, up 8468.9% from the previous period. This elevated days-to-cover ratio indicates it would take over two weeks of average trading volume for short sellers to exit their positions, suggesting potential for a short squeeze if positive news emerges. The days to cover has increased 54247.3% over the past year, indicating either rising short interest or declining trading volume. The ratio has shown significant volatility over the period, ranging from 1.0 to 1000.0 days.