Heatmap of model-interpolated implied volatility across moneyness buckets at a fixed 1-week tenor for the IBIT ETF. The vertical axis represents moneyness buckets ranging from deep out-of-the-money puts to deep out-of-the-money calls. Each cell shows the implied volatility at the given moneyness bucket for 1-week expiries, obtained via interpolation across strikes and maturities. IBIT options follow US equity market hours (9:30 AM–4:00 PM ET, Mon–Fri); data will appear flat outside trading sessions and on weekends/holidays.