2025-12-18 10:20:32

On December 18, the US spot ETF market showed a clear divergence between hot and cold. According to the latest data, Bitcoin spot ETFs recorded a net inflow on the first day of the week, with a single-day capital inflow of $457 million, while Ethereum spot ETFs performed the opposite, experiencing a net outflow for the fifth consecutive day, with a net outflow of $22.43 million yesterday.

Among the strong performers in Bitcoin ETFs, Fidelity FBTC stood out the most. This fund had a net inflow of $391 million yesterday, equivalent to approximately 4550 BTC at the then-current price, bringing its total net inflow to over $12.36 billion. Following closely is BlackRock IBIT, which saw a single-day net inflow of $111 million (about 1290 BTC) yesterday, with its total net inflow reaching $62.63 billion. However, not all Bitcoin ETFs are rising; Ark&21Shares ARKB and Bitwise BITB experienced net outflows of $36.96 million (430 BTC) and $8.41 million (97.82 BTC) respectively yesterday.

As of now, the total net asset value of Bitcoin spot ETFs is $112.57 billion, accounting for 6.57% of Bitcoin’s total market cap. Since their launch, these products have accumulated a net inflow of $57.73 billion.

In stark contrast, Ethereum spot ETFs are in a continuous outflow state. BlackRock ETHA experienced the largest outflow, with $19.61 million (about 6950 ETH) yesterday, although its total net inflow remains at $12.85 billion. Fidelity FETH also saw a net outflow of $2.81 million (997.81 ETH), with a total net inflow of $2.64 billion. Notably, among the 9 Ethereum ETFs participating in trading, none showed a net capital inflow yesterday.

The total net asset value of Ethereum spot ETFs is currently $17.34 billion, accounting for 5.09% of Ethereum’s total market cap, with a cumulative net inflow of $12.62 billion. The market’s attitude towards Bitcoin and Ethereum is becoming increasingly divergent.

BTC2,08%

ETH1,61%

ARK0,68%

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MeaninglessApe

· 2025-12-20 23:18

People in the crypto circle are all buying the dip in BTC, ETH is really being neglected to death haha

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LadderToolGuy

· 2025-12-19 22:33

BTC's current strength is truly impressive, with FBTC attracting 391 million in inflows in a single day... In contrast, all 9 ETH ETFs are experiencing outflows? That's quite bleak. People are all in on bottoming out BTC, so why is no one interested in ETH? Fidelity played it well, with BlackRock quickly following suit, but smaller ETFs are still being shut down. ETH has experienced net outflows for 5 consecutive days... That kind of sentiment shows how bearish the market is. 6.57% of BTC's total market cap is locked in ETFs, and this penetration rate is becoming increasingly alarming. This is the cruelty of the market—winner takes all? Major institutions still favor BTC, while Ethereum's cold reception is just absurd. Not a single ETH product can stop the outflows; there's no need to say more about the market situation.

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YieldWhisperer

· 2025-12-18 18:20

The crypto world is starting to clearly split again, and the fact that BTC is draining ETH is real.

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fren_with_benefits

· 2025-12-18 10:50

The division in the crypto world is too obvious, BTC bloodsucking machine activated, ETH bleeding across the board, not a single one can turn around.

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Layer3Dreamer

· 2025-12-18 10:47

theoretically speaking, if we model the capital flow dynamics as recursive state transitions across these ETF vectors... btc moats really widening rn, eth getting absolutely rekt by the outflow cascade

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EntryPositionAnalyst

· 2025-12-18 10:43

BTC is booming, so why has ETH become the punching bag? Clearly, big funds are choosing sides. --- Fidelity FBTC directly投入3.91 billion, is this a move to go all in... --- All nine Ethereum ETFs are experiencing net outflows? That's too tragic, it seems market confidence in the second brother is indeed declining. --- BTC with a net inflow of 57.7 billion vs ETH with 12.6 billion, numbers speak for themselves, the gap is widening. --- BlackRock ETHA outflow of 19.61 million in one day, institutions are really fleeing, this signal doesn't seem right. --- BTC has broken 6.57%, it seems Bitcoin ETF is really gaining momentum, worth paying attention. --- Why is everyone chasing BTC while being so indifferent to ETH? The divergence is so obvious. --- A net inflow of 57.7 billion in one month, this number is truly frightening. --- ETH has experienced net outflows for five consecutive days, the scenario is a bit different now.

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BearMarketGardener

· 2025-12-18 10:38

Bitcoin this wave has entered with $457 million, ETH has dropped for five consecutive days... Clearly, someone is taking a multiple-choice test --- No, FBTC absorbed $391 million in one go? Is this paving the red carpet for BTC? --- All 9 ETH funds flowed out yesterday, how desperate must one be to do that --- BlackRock and Fidelity are pouring money into BTC, while ETH is doing the opposite. Whether to cut or not, you decide --- Wait, ETH's AUM is only 17.3 billion, while BTC is over 110 billion? That gap is a bit exaggerated --- Another proof that institutions actually just want to play with BTC. ETH is really miserable

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CryptoDouble-O-Seven

· 2025-12-18 10:31

Bitcoin is bleeding wildly, and Ethereum has been abandoned for 5 days... The difference is just too outrageous.

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ZKProofEnthusiast

· 2025-12-18 10:31

BTC has really taken off this time, why is ETH continuously flowing out... It feels like the market sentiment has completely changed.

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LiquidationKing

· 2025-12-18 10:27

Bitcoin ETF is rushing in, while Ethereum has been hammered for five consecutive days. This divergence is a bit outrageous.