Cboe amends filing for Ark's bitcoin ETF to include BlackRock-like feature

Quick Take

  • The Cboe BZX Exchange on Wednesday amended a 19b-4 filing for the proposed ARK 21Shares Bitcoin ETF to include a feature similar to one used for a spot bitcoin fund planned by BlackRock.

  • The revised filing includes a surveillance sharing agreement to deter fraud and market manipulation.

The Cboe BZX Exchange on Wednesday amended a 19b-4 filing for the proposed ARK 21Shares Bitcoin ETF to include a feature similar to one used for a spot bitcoin fund planned by BlackRock.

Specifically, the revised filing includes a surveillance sharing agreement to deter fraud and market manipulation.

“The Exchange is proposing to take additional steps to those described above to supplement its ability to obtain information that would be helpful in detecting, investigating, and deterring fraud and market manipulation in the Commodity-Based Trust Shares,” Cboe BZX said in the updated filing.

The exchange said it expects to enter into a surveillance-sharing agreement
with an operator of a U.S.-based spot trading platform for bitcoin.

"The Spot BTC SSA is expected to be a bilateral surveillance-sharing agreement between the Exchange and the US BTC Spot Market Platform that is intended to supplement the Exchange’s market surveillance program," it said. "The Spot BTC SSA is expected to have the hallmarks of a surveillance-sharing agreement between two members of the ISG, which would give the Exchange supplemental access to data regarding spot Bitcoin trades on the US BTC Spot Market Platform, if the Exchange determines it is necessary as part of its surveillance program for the Commodity-Based Trust Shares."

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Amended filing for spot bitcoin ETF

The original 19b-4, filed in April, didn't mention the SSA. BlackRock's planned spot bitcoin ETF was different from previous attempts to gain approval from the U.S. Securities and Exchange Commission precisely because it featured the SSA with bitcoin spot market, CF Benchmarks CEO Sui Chung previously told The Block

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