According to @EricBalchunas, iShares Bitcoin Trust (IBIT) volatility fell again this week to 38, matching the volatility level of the Mag 7 ETF (MAGS), based on his chart and commentary; source: @EricBalchunas on X, Aug 8, 2025. Lower volatility readings typically narrow expected move ranges and reduce option premiums under standard options pricing, affecting BTC-linked ETF option strategies and derivatives positioning; source: Cboe Options Institute. Volatility-targeting frameworks commonly increase exposure when measured volatility declines, which can influence allocation to BTC exposure via ETFs during calmer regimes; source: CFA Institute. The parity with MAGS offers a cross-asset reference point for traders tracking volatility compression in BTC ETF markets; source: @EricBalchunas on X, Aug 8, 2025.