Tidal Trust III - Vistashares Target 15 Berkshire Select Income ETF (OMAH) short interest & options flow
ARCAOMAH, the Vistashares Target 15 Berkshire Select Income ETF, has seen unusual turbulence in its lending market this week — striking for a fund that markets itself on stability. The most notable development is a sharp swing in short positioning. Short interest climbed 45% over the past week to roughly 2% of the free float — low in absolute terms, but the pace of that build is hard…
OMAH short interest surges 45% in one week to 1.97% of float, though availability remains ample at 180%, suggesting limited squeeze risk for the income-focused ETF.
- Market cap
- $1.12B
Key data as of 12 Nov 2026

Latest signals on OMAH
- Short Interest
OMAH short interest surges 45% in one week to 1.97% of float, though availability remains ample at 180%, suggesting limited squeeze risk for the income-focused ETF.
OMAH news and analysis
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