Analysis Summary:

The article appears mostly accurate. The core claim about the closure of the inquiry is plausible given the earlier investigation, although no source directly confirms the closure. The article exhibits minimal bias, presenting information in a straightforward manner.

Detailed Analysis:

• Claim:** Federal Prosecutors Close Inquiry Into Polymarket Betting Website.
• Verification Status: Not directly verified by any of the provided sources. However, the sources confirm the existence of an earlier investigation. The article's publication date is July 15, 2025, which is in the future relative to the source dates. This makes direct verification impossible with the provided sources.
• Claim:** The site became prominent last year when people bet on the outcome of the 2024 presidential election.
• Verification Status: Supported by multiple sources. Verification Source #1, Verification Source #3, and Verification Source #4 all mention Polymarket's involvement with election betting in 2024.
• Claim:** (Implied) Polymarket was under investigation by the FBI and the U.S. attorney's office for the Southern District of New York.
• Verification Status: Supported by Verification Source #1, Verification Source #2, Verification Source #3, and Verification Source #4.

Supporting Evidence/Contradictions:

• Agreement: Verification Source #1, Verification Source #2, Verification Source #3, and Verification Source #4 all confirm the FBI raid and investigation into Polymarket related to potential illegal betting activities.
• Lack of Coverage: None of the provided sources directly confirm the closure of the investigation as claimed in the article's title. This is likely due to the article's future date.
• Agreement: Verification Source #5 confirms that Polymarket offered online trading contracts, which aligns with the general description of the platform as a betting website.