ETF Inflows Signal a Change in Investor Strategy
Large institutional investors are reportedly unwinding Bitcoin cash-and-carry arbitrage strategies. This shift is attributed to rising inflows into U.S.-listed spot Bitcoin ETFs, a compression in the CME basis, and a low volatility environment that encourages investors to take on "stickier" long exposure.
Data from SoSoValue indicates that U.S.-listed spot Bitcoin ETFs have flipped back to net inflows in January, reversing a trend of redemptions seen in December. This change signifies a departure from traditional arbitrage methods towards more direct, bullish investments in Bitcoin.
The Decline of Cash-and-Carry Arbitrage
The Cash-and-Carry arbitrage strategy traditionally involves buying spot Bitcoin ETFs while simultaneously shorting Bitcoin futures. The goal is to profit from pricing discrepancies between the spot and futures markets. However, recent market conditions have made this strategy less attractive.
The CME futures–ETF basis, which represents the price difference between CME futures and spot ETFs, has narrowed significantly. This compression has reduced the yield to a point where it barely covers transaction and funding costs, thereby making cash-and-carry trades less profitable. Market observers note that the increased funding costs for such trades have also contributed to their diminished appeal.
Data from the Chicago Mercantile Exchange shows a surge in the total number of open standard and micro Bitcoin futures contracts, even as U.S.-listed spot ETFs have recorded net inflows. This indicates a broader market sentiment shift.
Impact of Low Volatility on Investor Behavior
Bitcoin has experienced a period of low volatility since its sharp decline from its all-time high in October 2021. Prices have recently been trading within a relatively narrow range. This low volatility environment reduces the likelihood of significant price mismatches between spot and futures markets, which are essential for the profitability of Cash-and-Carry trades.
Furthermore, Bitcoin's annualized 30-day implied volatility, as measured by Volmex's BVIV index, has fallen to a multi-month low. This suggests that market expectations for significant price swings are currently subdued.
Analysts from cryptocurrency exchange Bitfinex have characterized the new investors entering the market as "sticky." These investors are described as viewing Bitcoin as a long-term investment rather than focusing on short-term profits derived from price gaps. The reduced volatility is cited as a key factor encouraging these long-term holding strategies.
Increased Bullish Exposure
Analysis of short positions in CME-listed Bitcoin futures indicates that the increase in open interest is primarily driven by speculators betting on bullish outcomes. This suggests an overall increase in bullish exposure within the market, as opposed to investors using short positions for hedging purposes.

