ProShares Launches First U.S. Inverse Bitcoin ETF

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On June 23, 2022, ProShares introduced a groundbreaking financial instrument to the market: the ProShares Short Bitcoin Strategy ETF, trading under the ticker symbol BITI. This product represents the first inverse exchange-traded fund in the United States designed to provide daily returns that correspond inversely to the performance of Bitcoin futures.

Understanding the ProShares Short Bitcoin Strategy ETF (BITI)

The BITI ETF seeks to achieve a return that is -1x the daily performance of its underlying benchmark, the S&P CME Bitcoin Futures Index. This means that on any given day, if the index rises by 1%, the fund is designed to fall by approximately 1%. Conversely, if the index falls by 1%, the fund aims to rise by 1%.

It is crucial for investors to understand that this inverse relationship is designed to hold only for a single trading day. The fund's objective is reset at the end of each trading session based on the net asset value (NAV) calculation.

Key Mechanism and Daily Compounding

The effects of daily compounding mean that the fund's performance over periods longer than one day can deviate significantly from the inverse of the benchmark's performance over that same extended period. This is a critical concept for potential investors to grasp.

In volatile markets, especially one as notoriously unpredictable as Bitcoin, these compounding effects can be magnified, leading to results that may be surprising. Investors are strongly advised to monitor such holdings frequently, even on a daily basis, to understand their position.

Important Risks and Considerations for Investors

Investing in the BITI ETF involves substantial risk. The following points outline the primary cautions:

This fund is designed to lose value when the daily price of bitcoin futures rises. It is a specialized tool that may not be suitable for all investors, particularly those with a low risk tolerance or a long-term bullish outlook on Bitcoin.

How the ETF Differs from Direct Bitcoin Ownership

A fundamental distinction with this ETF is that it provides indirect exposure to Bitcoin's price movements through the futures market. This differs significantly from holding Bitcoin directly in a digital wallet or through a spot Bitcoin ETF.

The price of bitcoin futures contracts can, and often does, differ from the current spot price of Bitcoin. This difference, known as "basis," can be positive (contango) or negative (backwardation) and can create a headwind or tailwind for the fund's performance over time, separate from the actual movement of Bitcoin's price.

Furthermore, futures trading involves margin requirements and collateral obligations, which can create additional costs and complexities that affect the fund's net returns. For a deeper analysis of how futures-based products operate, you can explore more advanced strategies.

Is a Short Bitcoin ETF Right for Your Portfolio?

The introduction of an inverse Bitcoin ETF provides traders and investors with a new tool for portfolio management. It can be used for purposes such as:

However, its daily reset nature and use of derivatives make it generally unsuitable as a long-term buy-and-hold investment. 👉 View real-time market tools to better understand these dynamics.

Frequently Asked Questions

What does an inverse Bitcoin ETF do?
An inverse Bitcoin ETF is designed to deliver the opposite of the daily performance of a Bitcoin-linked benchmark. For example, if the underlying index falls by 5% in a day, the inverse ETF should aim to gain approximately 5% for that day.

Can I hold the BITI ETF long-term as a bet against Bitcoin?
It is not advisable. Due to the effects of daily compounding and volatility decay, the fund's performance over weeks, months, or years will almost certainly not match the inverse of the benchmark's performance over that same extended period. It is structured for short-term trading objectives.

How does this ETF avoid holding Bitcoin directly?
The fund uses futures contracts traded on regulated exchanges like the CME Group. These are financial agreements to buy or sell Bitcoin at a future date for a predetermined price. The fund never takes direct custody of any cryptocurrency.

What are the main costs involved?
Investors will pay the fund's expense ratio. Additionally, brokerage commissions apply when buying or selling shares on the exchange. Internally, the fund incurs costs from trading and rolling its futures contracts, which can impact performance.

Who is the ideal investor for this product?
This ETF is tailored for sophisticated investors or traders who have a firm understanding of derivatives, the risks of leverage, and the high volatility of the crypto market. They must be active in monitoring their positions.

What is the single biggest risk?
The most severe risk is the potential for a total loss of investment in a very short time frame, especially during periods of extreme market volatility or gap moves in the price of Bitcoin futures.


Investors must carefully consider their investment objectives and risk tolerance before investing in the ProShares Short Bitcoin Strategy ETF (BITI). It is essential to read the fund's full prospectus to understand all associated fees, risks, and mechanics thoroughly. This product highlights the evolving landscape of digital asset investment vehicles, offering new strategies while demanding a higher level of investor awareness and diligence.