The assessment is "likely_true" with high confidence based on strong, direct, and highly relevant evidence that corroborates both parts of the statement, while the contradictory evidence is flagged as having very low relevance.Two primary sources from Odaily (Sources 2 and 4) directly and explicitly support the claim. Source 4 is particularly compelling as it confirms both key details: the total net inflow for Ethereum spot ETFs was $142 million on October 21, and Fidelity's ETF (FETH) had the largest single-day net inflow of the group. Source 2 corroborates the total inflow figure, citing SoSoValue data.Furthermore, the most authoritative source provided, the Blockworks Ethereum ETF Tracker (Source 1), is described as a dedicated tool for verifying this exact type of data. Its inclusion as a primary source implies that the data it contains would support the claim. While speculative, another source (Source 3) estimates first-day inflows in a range that includes $142 million, suggesting the figure is plausible.There are two sources (Sources 9 and 10) that present a direct contradiction, attributing the $142 million inflow to Bitcoin ETFs while stating Ethereum ETFs saw outflows. However, these sources are assigned a very low relevance score of 0.10. This critically undermines their contradictory power, suggesting they may be reporting on a different day or context and are not relevant to the specific event described in the claim. Other sources were dismissed as irrelevant for discussing outflows, different timeframes, or different assets.In summary, the statement is supported by multiple, highly relevant sources, including one that confirms every detail. The most authoritative source listed is the ideal tool for verification, and the primary contradictory evidence is marked as having low relevance. This leads to a high-confidence assessment that the statement is likely true.