The Chicago Mercantile Exchange (CME) has officially dethroned Binance to become the largest Bitcoin futures exchange globally. This achievement comes as CME's BTC futures holdings surge to an impressive 108.9k BTC, marking a defining moment for the exchange.

The CME experienced a significant 4.17% increase in its BTC futures positions over a 24-hour period on Nov.9. According to data from Coinglass, CME's notional open interest (OI) has witnessed a substantial rise from $3.57 billion to $3.98 billion, as of writing. This surge propelled CME from its previous second-place standing, solidifying its position as the premier Bitcoin futures exchange.

Simultaneously, the broader cryptocurrency market saw a significant drop in aggregate Bitcoin open interest, plummeting by $2 billion from $12 billion. This downturn had a more pronounced effect on Binance, with its open interest shrinking to $3.8 billion, reflecting a substantial 12.93% decrease within the same period.

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Bitcoin's Rollercoaster Ride

The shifting dynamics in the futures market coincided with dramatic fluctuations in Bitcoin's price. The cryptocurrency soared to an 18-month peak, reaching nearly $38,000, only to experience a subsequent dip to $36,000. These price movements paralleled the registration of the "iShares Ethereum Trust" in Delaware. 

Open interest, a crucial concept in futures and options markets, serves as a metric to measure the total number of outstanding contracts. In simpler terms, it represents the total number of contracts held by traders at any given moment. The difference between the number of contracts held by buyers (longs) and sellers (shorts) determines open interest.