Bitcoin ETFs Record Fourth Consecutive Day of Inflows, Adding $550M
Spot ether (ETH) ETFs are currently enjoying a three-day inflow run.

What to know:
- Bitcoin ETFs in the U.S. added $552.78 million on Thursday, their fourth consecutive day of inflows.
- This matches a four-day run ended Aug. 28 and is the joint-longest streak since the seven days ended Aug. 14, which coincided with bitcoin's ascent to an all-time high of over $123,000.
- Spot ether (ETH) ETFs are currently enjoying a three-day inflow run.
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Spot bitcoin
That's the longest run since Aug. 28 and the joint-longest since the seven days ended Aug. 14, which coincided with bitcoin's ascent to an all-time high of over $123,000. Wednesday's $757.14 million net inflow was the largest for a single day since July 16, according to data tracked by SoSoValue.
Spot ether
Both the underlying assets experienced rallies in the latter half of the week, benefiting from expectations of an interest-rate cut by the U.S. Federal Reserve on Sept. 17.
Bitcoin has risen nearly 3.2% in three days to sit just above $115,000, according to CoinDesk data. Ether has climbed about 5% in to reclaim the $4,500 mark.
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KuCoin Hits Record Market Share as 2025 Volumes Outpace Crypto Market

KuCoin captured a record share of centralised exchange volume in 2025, with more than $1.25tn traded as its volumes grew faster than the wider crypto market.
What to know:
- KuCoin recorded over $1.25 trillion in total trading volume in 2025, equivalent to an average of roughly $114 billion per month, marking its strongest year on record.
- This performance translated into an all-time high share of centralised exchange volume, as KuCoin’s activity expanded faster than aggregate CEX volumes, which slowed during periods of lower market volatility.
- Spot and derivatives volumes were evenly split, each exceeding $500 billion for the year, signalling broad-based usage rather than reliance on a single product line.
- Altcoins accounted for the majority of trading activity, reinforcing KuCoin’s role as a primary liquidity venue beyond BTC and ETH at a time when majors saw more muted turnover.
- Even as overall crypto volumes softened mid-year, KuCoin maintained elevated baseline activity, indicating structurally higher user engagement rather than short-lived volume spikes.
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Bitcoin and ether volatility trading gets easier with Polymarket's new contracts

Polymarket has launched new prediction markets tied to Volmex's bitcoin and ether 30-day implied volatility indices.
What to know:
- Polymarket has launched new prediction markets tied to Volmex's bitcoin and ether 30-day implied volatility indices, allowing users to bet on how high volatility will get in 2026.
- The contracts pay out if volatility indices reach or exceed a preset level by Dec. 31, 2026, letting traders wager on the intensity of price swings rather than market direction.
- Early trading implies roughly a one-in-three chance that bitcoin and ether volatility will nearly double from current levels.











