According to Eric Balchunas, US stocks are up 2.3% month-to-date in September despite the S&P 500’s historically weak September seasonality, with momentum aided by a Federal Reserve rate cut and strong ETF inflows (source: Eric Balchunas on X, Sep 16, 2025). According to the same source, he cautions there is still time left in the month, so traders should keep tracking SPX MTD performance and ETF flow trends as highlighted in his post (source: Eric Balchunas on X, Sep 16, 2025).

According to @rovercrc, Bitcoin dominance (BTC.D) tends to push higher in September and is rising again now, signaling BTC strength relative to altcoins (source: @rovercrc on X, Sep 4, 2025). According to @rovercrc, this could be the final rotation before a full altseason, implying a sequence of BTC outperformance followed by altcoin catch-up (source: @rovercrc on X). Based on @rovercrc’s view, a trading takeaway is to tilt toward BTC over altcoins near term and monitor BTC.D momentum for a reversal that may indicate altseason onset (source: @rovercrc on X).

According to @CryptoMichNL, over the past three years Bitcoin did not see its main monthly correction in September, with the pullback instead occurring in August, and this August BTC fell by nearly 10 percent, source: @CryptoMichNL on X, Sep 2, 2025. According to @CryptoMichNL, a deeper correction remains possible and he is buying such dips as part of his strategy, source: @CryptoMichNL on X, Sep 2, 2025. According to @CryptoMichNL, the approaching Federal Reserve meeting is a near-term factor he is watching, source: @CryptoMichNL on X, Sep 2, 2025.

According to @MilkRoadDaily, September has historically been the worst month for Bitcoin (BTC) and Ethereum (ETH), with average September returns of -3.38% for BTC and -5.76% for ETH (source: @MilkRoadDaily on X, Sep 1, 2025). In post-halving years 2013, 2017, and 2021, both assets finished September in negative territory (source: @MilkRoadDaily on X, Sep 1, 2025). The author states traders should brace for volatility in September, highlighting seasonality risk for positioning in spot and derivatives (source: @MilkRoadDaily on X, Sep 1, 2025). No price targets or additional catalysts were provided beyond the historical seasonality signal (source: @MilkRoadDaily on X, Sep 1, 2025).

According to @CryptoMichNL on September 1, 2025, BTC showed a slight sweep of the low followed by a quick bounce, indicating potential readiness to break upward. According to @CryptoMichNL, volatility is likely to persist. According to @CryptoMichNL, September is usually a weak month and he is watching the 100,000 to 103,000 dollar area as a key level.

According to @milesdeutscher, September’s Ghost Month seasonality is flagged as a headwind for equities and crypto, highlighting a tendency for underperformance during this period. Source: @milesdeutscher on X, Aug 31, 2025. For traders, the post implies elevated downside and volatility risk into early September and suggests defensive positioning awareness for crypto bellwethers like BTC and ETH during this window. Source: @milesdeutscher on X, Aug 31, 2025.

According to Miles Deutscher, September is usually a bad month for crypto and he compiled his top 10 alpha tweets to help traders prepare, implying a defensive setup into the new month for BTC and ETH. Source: Miles Deutscher on X, Aug 31, 2025, https://twitter.com/milesdeutscher/status/1962194151275139240 Historically, September has been one of BTC’s weaker months with frequent negative monthly returns, reinforcing a cautious stance around month-open volatility. Source: CoinGlass Bitcoin Monthly Returns, https://www.coinglass.com/BitcoinMonthlyReturns This curation suggests traders prioritize preparation for seasonal drawdowns and monitor liquidity and volatility conditions into September for BTC and ETH. Source: Miles Deutscher on X, Aug 31, 2025, https://twitter.com/milesdeutscher/status/1962194151275139240