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Graniteshares Yieldboost 20Y Treasuries ETF trades on the stock market under the symbol FIYY.
As of August 4, 2026, FIYY stock price was flat at $24.40 with 9 million shares trading.
FIYY has a market cap of $0.00. This is considered a Sub-Micro Cap stock.
FIYY support price is $24.30 and resistance is $24.51 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that FIYY shares will trade within this expected range on the day.
