The latest data point for ACHR's short interest, as of 2026-02-27, stands at 15.23%, reflecting a modest decline from the previous reading of 16.28% on 2026-02-13 and indicating reduced bearish sentiment in the near term. Over the period from 2025-09-30 to 2026-02-27, short interest has exhibited volatility within a relatively narrow range of 13.92% to 17.80%, starting at 17.49% and showing an overall downward trend with intermittent fluctuations, such as a dip to 13.92% in mid-October 2025 before rebounding and stabilizing around 15-16% through early 2026; the most recent point lacks data for 2026-03-13, but the pattern suggests waning short covering pressure amid the area's chart visualization of gradual easing.