Yeliz Akmaca As of September 9, 2025, Bitcoin and Ethereum ETFs have shown notable market activity. Additionally, high Call/Put ratios in Bitcoin options indicate investors’ bullish expectations, while Ethereum ETFs recorded $44.16 million in daily net inflows, reflecting active market participation. These data confirm strong institutional demand for both major crypto assets.
Bitcoin Options ETFs: Bullish Sentiment Strengthens
- Total Bitcoin Options Volume: Daily net open interest (Delta) in Bitcoin options reached $441.46 million, with total nominal open interest at $28.39 billion. Total traded value (nominal) was $2.63 billion, and Delta-based value stood at $685.35 million.
- Call/Put Ratios: The Call/Put ratio for OI (nominal) was 1.95 and (Delta) 3.17; for traded value-based options, ratios were 7.13 and 5.98, indicating investors’ focus on a bullish market trend.
Highlighted Funds:
- BlackRock’s IBIT fund stood out with $28.41 million in nominal open interest and $2.62 billion in traded nominal value.
- Grayscale’s GBTC fund recorded $373.03 million in open interest and $7.70 million in traded nominal value.
- Bitcoin ETF Flows: Mixed Fund Movements
On September 9, Bitcoin ETFs saw $23.05 million in daily net inflows, bringing cumulative net inflows to $54.88 billion. Total trading volume reached $3.03 billion, and total net assets were $144.30 billion, equivalent to 6.50% of Bitcoin’s market cap.
Fund-specific movements:
- BlackRock (IBIT): $169.31 million daily net inflow; cumulative net inflow $58.94 billion.
- Fidelity (FBTC): -$55.81 million daily net outflow; cumulative net inflow $11.88 billion.
- Grayscale (GBTC): No daily movement; cumulative net outflow -$24.00 billion.
Ethereum ETF Flows: $44 Million Net Inflow
Daily Net Inflow: Ethereum ETFs recorded $44.16 million in net inflows on September 9, with cumulative net inflows reaching $12.67 billion.
Total Trading Volume and Net Assets: Total traded value was $1.28 billion, and total net assets amounted to $27.39 billion, representing 5.27% of Ethereum’s market cap.
ETF Fund Status:
- BlackRock ETHA leads with $15.78 billion in net assets.
- Fidelity FETH reached $3.16 billion in net assets.
- Grayscale ETHE recorded $4.53 billion in net assets with a cumulative net outflow of $4.60 billion.
Bitcoin and Ethereum ETF data clearly demonstrate sustained institutional interest in crypto markets. Meanwhile, strong Call/Put ratios in Bitcoin options and high net inflows into Ethereum ETFs suggest potential market volatility in the near term.
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