The weekly trading volume of crypto contracts on prediction markets was corrected to 270000000 USD and hit a record high
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AT A GLANCE
Cointime summarized nine crypto market developments, with weekly event-contract trading volume corrected from 2700000000 USD to 270000000 USD。
Article
Cointime News Today 1. CME Fed Watch update:October Probability of keeping rates unchanged 90.6%，December rate hike 25bp probability rose to 67.5%
2. Grayscale released a research report: token supply inflation dilutes holder returns, and introduced a protocol revenue valuation framework 3. Weekly trading volume of Kalshi and Polymarket crypto event contracts 2700000000 USD Correction: 270000000 USD hit a record high, and 15-minute BTC up/down contract activity increased 4. The IRS plans to reduce penalties for voluntary disclosure of crypto tax matters, with a target of completing cases within 120 days 5. Hyperliquid expanded its buyback program to 100000000 USD, holding HYPE in value 2960000000 USD
6. Arthur Hayes sold 22280000 USD crypto assets, including 6400 units of ETH and 7 other tokens 7. Mastercard launched a smart-agent payment solution on Base based on x402、USDC 8. Bitdeer sold 283.4 units of BTC this week, continuing to maintain zero Bitcoin holdings 9. Lighter supports weETH as collateral for perpetual contracts, with a collateral ratio of 70%and a cap of 1000 units
Key points
01
CME The Fed Watch update said that the October probability of keeping rates unchanged was 90.6%，December rate hike 25bp probability rose to 67.5%。
02
Grayscale said in a research report that token supply inflation dilutes holder returns and introduced a protocol revenue valuation framework.
03
It was reported that the weekly trading volume of Kalshi and Polymarket crypto event contracts was corrected from 2700000000 USD to 270000000 USD，270000000 USD and hit a record high, while 15-minute BTC up/down contract activity increased.
04
The IRS plans to reduce penalties for voluntary disclosure of crypto tax matters, with a target of completing cases within 120 days.
05
Hyperliquid expanded its buyback program to 100000000 USD, holding HYPE in value 2960000000 USD。
06
Arthur Hayes sold 22280000 USD crypto assets, including 6400 units of ETH and 7 other tokens.
07
Mastercard launched a smart-agent payment solution on Base based on x402、USDC.
08
Bitdeer sold 283.4 units of BTC this week, continuing to maintain zero Bitcoin holdings.
09
Lighter supports weETH as collateral for perpetual contracts, with a collateral ratio of 70%and a cap of 1000 units.
AI-assisted interpretation
The following is analysis, separate from reported facts. Verify important claims independently.
This is a summary of market news covering rate probabilities, token valuation, event contracts, crypto taxation, token buybacks, asset sales, smart-agent payments, Bitcoin holdings, and perpetual-contract collateral. The third item specifically corrects the trading volume: not 2700000000 USD, but 270000000 USD。
Why it matters to readers
These items concern macro interest-rate expectations, token holder returns, short-interval BTC event-contract activity, tax treatment, project funding arrangements, and payment and derivatives functions, and may serve as leads for monitoring related market activity.
Beginners should first distinguish among “probability,” “trading volume,” “holding value,” and “actual price performance”: the probability or contract activity in the material does not mean that BTC or other tokens will necessarily rise or fall. The third item also includes a correction in order of magnitude, so the figures should be checked carefully.
Risks and unknowns
The material is a news summary and does not provide the original files, complete statistical methodology, or further verification information for each item.
There is a record of Kalshi and Polymarket weekly trading volume being corrected from 2700000000 USD to 270000000 USD, but the original data and statistical methodology still need to be verified.
The material does not provide the specific trading volume of 15-minute BTC up/down contracts, nor does it explain their impact on the BTC spot price or capital flows.
Related Developments
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The remaining information on plans, research reports, buybacks, sales, payments, and collateral lacks implementation details or subsequent results.
Related concepts
bp
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