According to data from Dune, reported by Mars Finance on December 17, the open interest of Polymarket has continuously increased this year, recently peaking at around $326 million, a growth of 170% from about $120 million at the beginning of the year. In terms of market structure, the sports, politics, and crypto sectors account for the top three market shares, at 46.6%, 21.12%, and 12.4% respectively. Furthermore, due to the large volume of settlements at the end of each month, about one third of the open trading volume is liquidated at month-end. Previously, Polymarket set a historical record of $410 million in total open trading volume during the U.S. presidential election last November, thanks to $385 million from the political sector. Yesterday, Bitwise's prediction for the top 10 crypto markets in 2026 indicated that Polymarket's open trading volume will reach an all-time high (ATH) next year, surpassing levels seen during the 2024 U.S. presidential election.#btc $BTC

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