Bitcoin (BTC) enters September under familiar seasonal pressure, with traders wary that history may not be on their side. The largest cryptocurrency by market capitalization has posted losses in nine of the last 14 Septembers, averaging a 12% monthly decline.

This year, BTC opened the week near $110,000, its lowest in nearly two months, while total crypto market capitalization slipped to $3.74 trillion, marking a three-week low. Prices have remained relatively flat over the past 24 hours, with Solana (SOL) leading gains at 4%, XRP up 1%, and Cardano (ADA) rising 1.5%.

Analysts cite macro uncertainty, fragile sentiment, and thinning volumes as factors leaving little room for error. Alex Kuptsikevich, chief market analyst at FxPro, noted that broader market charts “record a series of lower lows, signaling a downward trend,” pointing to Bitcoin’s inability to hold $112,000 and warning of further declines toward $105,000, a key support level before the psychological $100,000 barrier.

Investor nerves are reflected in the crypto fear index, which has fallen to 40, its lowest since April. Historical drawdowns reinforce caution: September has seen losses of nearly 8% in 2017, 14% in 2019, and steep declines in 2021 and 2022, often coinciding with macro jitters and liquidity squeezes.

ETF flows also underscore the headwinds. Spot Bitcoin ETFs in the U.S. recorded $440 million in net outflows last week after steady accumulation in August, while Ether ETFs posted $1 billion in inflows, signaling capital rotation rather than net growth. CryptoQuant data shows spot ETFs now hold over 1.3 million BTC, nearly 6% of total supply.

Looking ahead, the market eyes the U.S. non-farm payrolls report Friday, expected to show just 45,000 new jobs. A soft print could support a September Fed rate cut, potentially reigniting risk-on sentiment. Until then, options data reveals strong put demand, with skew firmly bearish, prompting traders to proceed cautiously.