{"type": "article", "title": "ProShares files fourth MANGOS ETF in three days, effective Aug 31, 2026", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/proshares-files-fourth-mangos-etf-in-three-days-effective-aug-31-2026", "original_source": "https://cryptobriefing.com/proshares-mangos-etf-filings/", "published": "2026-06-17T23:03:27+00:00", "accessed": "2026-06-17", "id": "proshares-files-fourth-mangos-etf-in-three-days-effective-aug-31-2026"}