Bitcoin and ether are grinding toward the lower end of their recent ranges, major market making firm Wintermute's OTC trading desk said in a Wednesday note shared with CoinDesk, with both assets caught between last week's hawkish Fed and the stop-start Iran headlines.

Options markets price a relatively tight move for the next 24 hours. Wintermute's one-day straddle, a measure of expected swing derived from options pricing, put bitcoin in a $61,242 to $63,563 range and ether between $1,606 and $1,694, implying moves of about 1.9% and 2.7% respectively.

The backdrop is deteriorating. Token correlations are rising, meaning assets are moving together rather than on their own fundamentals, while liquidity is thinning into the summer months with no fresh institutional bid visible in ETF flows.

Wintermute flagged $59,000 as the level to watch, calling it the bear market low and the key support if current pressure continues.

Three catalysts shape the rest of the week: the U.S.-Iran peace deal and whether it holds, Thursday's PCE inflation print, the Fed's preferred measure of price growth, and the quarterly options expiry at month-end, which can amplify moves as traders roll or close large positions.

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