ProShares S&P 500 Dynamic Buffer ETF (FB) closed at $45.30 on November 3, 2026, unchanged from the previous close, on volume of 193 shares (30-day average 2,422).
Data as of November 3, 2026.
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ProShares S&P 500 Dynamic Buffer ETF (the "Fund") seeks investment results, before fees and expenses, that track the performance of the S&P 500 Daily Dynamic Buffer Index (the "Index"). The Index is designed to replicate a patent-pending Dynamic Buffer Strategy developed by ProShare Advisors that aims to provide upside participation in an index up to a daily cap, with a buffer designed to protect against the first 1% to as much as 5% of any loss each day. The Index measures the performance of this Dynamic Buffer Strategy based on the S&P 500 Index using a long position in the S&P 500 Index along with three different S&P 500 Index options that have one day to expiration. The three S&P 500 Index options include a purchased put, a written put, and a written call. The purchased put option component of the Index is designed to measure the performance of approximately at-the-money S&P 500 Index put options with one day to expiration. The written put option component of the Index is designed to measure the performance of out-of-the money S&P 500 Index put options with one day to expiration. The written call option component of the Index is designed to measure the performance of out-of-the-money S&P 500 Index call options with one day to expiration.
ProShares S&P 500 Dynamic Buffer ETF trades on the BATS stock market under the symbol FB.
As of November 4, 2026, FB stock price climbed to $45.63 with 575 million shares trading.
FB has a market cap of $4.11 million. This is considered a Sub-Micro Cap stock.
FB has underperformed the market in the last year with a price return of +10.8% while the SPY ETF gained +13.4%. However, in the short term, FB had mixed performance relative to the market. It has outperformed in the last 3 months, returning +2.1% vs +1.5% return in SPY. But in the last 2 weeks, FB shares have been beat by the market, returning -0.4% compared to an SPY return of -0.2%.
FB support price is $45.08 and resistance is $45.47 (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 FB shares will trade within this expected range on the day.
