As of midday October 21, 2025, iBio’s stock trades around $0.89 per sharemarketbeat.com. The price has been volatile in recent days. Last week, shares jumped over 20% in pre-market trading on October 17 after Leerink Partners issued a bullish initiation, although the stock later settled near $0.85 by that day’s closemarketbeat.com. Even with these upticks, iBio’s stock remains well below its levels earlier this year – it began 2025 at ~$2.45 and has declined about 63% year-to-datemarketbeat.com. This underperformance comes amid broader small-cap biotech volatility; by comparison, the biotech sector ETF is up roughly 20% in 2025finance.yahoo.com. iBio’s modest market capitalization and thin trading volume reflect its micro-cap statusmarketbeat.comreuters.com, which can magnify price swings on news.
