According to the source, Bitcoin dominance is slipping as a broad altcoin rally takes hold. According to the source, traders are watching how low BTC.D could fall, implying rotation risk into large-cap altcoins and potential outperformance in alt/BTC pairs.

According to @CryptoMichNL, BTC is testing a crucial resistance zone, and whether price breaks through this area is the immediate market focus for traders. Source: @CryptoMichNL on X, Sep 18, 2025. He adds that once Bitcoin stabilizes, large breakouts across altcoins are likely, pointing to a potential rotation setup to watch. Source: @CryptoMichNL on X, Sep 18, 2025.

According to @MilkRoadDaily, Bitcoin dominance has been falling for weeks and a continued slide targets 44%, the peak-2021 altcoin mania level; source: @MilkRoadDaily on X. The altcoin market cap excluding BTC and ETH is pressing against 2021 highs, and a breakout would mark a new expansion phase for alts and potentially the largest rotation of this cycle; source: @MilkRoadDaily on X. The Altcoin Season Index is at 78, already in altseason territory; source: @MilkRoadDaily on X. A macro headwind is ISM stuck at 48 and in contraction for 30+ months, though risk assets have historically turned higher with ISM below 50, with gold and the S&P 500 pushing all-time highs; source: @MilkRoadDaily on X. Tomorrow’s Fed decision on rate cuts is highlighted as pivotal; a cut could help push ISM back above 50, unlock flows from 7.4T dollars in money market funds into risk assets like crypto, and catalyze a full-scale altcoin breakout; source: @MilkRoadDaily on X.

According to @MilkRoadDaily, BTC dominance has been in a 13-week downtrend, reflecting sustained rotation away from Bitcoin (source: @MilkRoadDaily, X, Sep 15, 2025). @MilkRoadDaily reports the current dip in dominance is larger than the decline seen at the end of 2025 (source: @MilkRoadDaily, X, Sep 15, 2025). @MilkRoadDaily adds the Altcoin Season Index is now above 80, indicating broad altcoin outperformance versus BTC pairs (source: @MilkRoadDaily, X, Sep 15, 2025).

According to @TATrader_Alan, the weekly DOGE/BTC pair indicates a potential Doge Season in the coming year, implying prospective DOGE outperformance versus BTC on a weekly timeframe (source: @TATrader_Alan on X, Sep 15, 2025).

According to @TATrader_Alan, the BTC.D weekly bear flag has broken down, signaling that altseason continues and that market share is rotating from BTC toward altcoins (source: @TATrader_Alan on X, Sep 14, 2025). This interpretation highlights a trading backdrop where altcoin versus BTC pairs may show relative strength while dominance trends lower, in line with the author's assessment (source: @TATrader_Alan on X, Sep 14, 2025).

According to @Pentosh1, PUMP printed a new all-time high and SOL reached 250 dollars. Source: @Pentosh1 on X, Sep 14, 2025. According to @Pentosh1, he has been early to every market rotation over the past four months. Source: @Pentosh1 on X, Sep 14, 2025. According to @Pentosh1, he will share follow-up trade ideas and details on his recent TradFi allocation setup. Source: @Pentosh1 on X, Sep 14, 2025.

According to @CryptoMichNL, he rotated $4.5K into PEAQ ($PEAQ) during the previous month, source: X post on Sep 14, 2025. He states the position is up 80% since that rotation and is becoming a larger allocation within his altcoin portfolio, source: X post on Sep 14, 2025.

According to @MilkRoadDaily, the Altcoin Season Index has reached 84 and was characterized as bullish; source: @MilkRoadDaily on X, Sep 13, 2025. An index reading above 75 qualifies as altcoin season by definition, which assesses whether at least 75% of the top-50 altcoins have outperformed BTC over the last 90 days; source: BlockchainCenter Altcoin Season Index methodology. Traders tracking this signal often monitor alt/BTC pairs and BTC dominance to gauge rotation strength between BTC and altcoins; source: Binance Academy explanation of Bitcoin Dominance as a capital rotation gauge.

According to @rovercrc, the Altcoin Season Index has reached 84, its highest level since last year, signaling strong altcoin outperformance versus BTC (source: @rovercrc on X, Sep 13, 2025). Per Blockchain Center’s methodology, a reading above 75 defines Altseason, meaning at least 75% of the top 50 coins have outperformed BTC over the last 90 days (source: Blockchain Center Altcoin Season Index methodology). Traders typically monitor BTC dominance (BTC.D) and alt/BTC pairs during Altseason as leadership rotates from BTC to altcoins and momentum broadens (source: Binance Academy, What Is Altseason). Such periods historically feature higher volatility and risk, making position sizing and liquidity management more critical for crypto portfolios (source: Binance Academy, What Is Altseason).

According to @CryptoMichNL, altcoins are poised to perform strongly and likely outperform Bitcoin (BTC) in Q4 2025, with the analyst highlighting specific candidates in his latest analysis; traders should note the Q4 timeframe and relative-performance focus versus BTC. Source: @CryptoMichNL on X, Sep 13, 2025.

According to @rovercrc, the Altcoin Season Index has climbed above 75, indicating strong altcoin momentum versus Bitcoin in recent performance data, source: @rovercrc on X (Sep 13, 2025). As defined by Blockchain Center, a reading above 75 means at least 75% of the top 50 altcoins outperformed BTC over the last 90 days, which qualifies as Altcoin Season, source: Blockchain Center Altcoin Season Index methodology. This reading confirms broad-based altcoin outperformance versus BTC over the recent quarter, a condition the index is explicitly designed to identify, source: Blockchain Center Altcoin Season Index.

According to @MilkRoadDaily, altseason has begun and Solana (SOL) just broke through resistance, signaling momentum that traders may track for continuation setups, source: @MilkRoadDaily on X. According to @MilkRoadDaily, the source highlights six additional SOL catalysts scheduled over the next six months, which could influence price action and rotation across altcoins if realized, source: @MilkRoadDaily on X and the linked Milk Road article.

According to @CryptoMichNL, BTC is at 116,000 and consolidating, ETH is breaking out toward 4,600, and altcoins are starting to outperform, framing the current and upcoming market regime (source: @CryptoMichNL on X, Sep 12, 2025). For traders, the key levels highlighted are 116,000 for BTC and 4,600 for ETH, with an implied rotation bias into altcoins based on this view (source: @CryptoMichNL on X, Sep 12, 2025).

According to @52kskew, altcoins currently show clear market share and mindshare dominance versus BTC, keeping most alts strong and bid while BTC chops, source: @52kskew, X, Sep 12, 2025. In the latest 24-hour data, ETH is leading the pack, a key driver for near-term rotation dynamics, source: @52kskew, X, Sep 12, 2025. When Others surpass BTC, it typically signals froth in altcoins, warranting vigilance from traders, source: @52kskew, X, Sep 12, 2025. BTC will be make-or-break for alts in the coming days, so monitoring BTC dominance versus alt performance is critical for risk management, source: @52kskew, X, Sep 12, 2025.

According to @MilkRoadDaily, the altcoin index has crossed 75 and they frame this as the start of alt season, indicating a shift toward high-beta crypto exposure; source: @MilkRoadDaily on X, Sep 11, 2025. According to @MilkRoadDaily, memecoins secured ETFs before most L1s, reinforcing a memecoin-led market narrative; source: @MilkRoadDaily on X, Sep 11, 2025. According to @MilkRoadDaily, $FORD closed a $1.65B raise to build a $SOL treasury; source: @MilkRoadDaily on X and Milk Road newsletter mrcrypto.milkroad.com, Sep 11, 2025. According to @MilkRoadDaily, they are positioned for these market dynamics, signaling focus on SOL ecosystem and memecoin segments; source: @MilkRoadDaily on X, Sep 11, 2025.

According to @CryptoMichNL on X on Sep 11, 2025, the altcoin market capitalization index OTHERS valued against BTC is showing a massive weekly bullish divergence and the uptrend has only just begun. Source: @CryptoMichNL on X on Sep 11, 2025. In technical analysis, a weekly bullish divergence is typically read as a momentum shift that can precede relative outperformance of the diverging asset, supporting an early-stage upside view for OTHERS/BTC. Sources: Investopedia and @CryptoMichNL on X on Sep 11, 2025.

According to Milk Road (@MilkRoadDaily), ETH is up 31% while SOL is up 15% over the same recent period, indicating ETH leadership in this leg of the market; source: Milk Road (@MilkRoadDaily). These figures imply the SOL/ETH pair underperformed by roughly 12% over that period (1.15 divided by 1.31 minus 1 ≈ -12%), a relative-strength signal traders can monitor for rotation; source: Milk Road (@MilkRoadDaily). The post states that SOL strength often follows ETH later in the cycle, so traders may watch the SOL/ETH ratio, funding, and spot flows for confirmation rather than pre-empt entries; source: Milk Road (@MilkRoadDaily). The source did not specify the timeframe or methodology for the return figures, so position sizing and risk controls should reflect uncertainty around the referenced period; source: Milk Road (@MilkRoadDaily).

According to @rovercrc, the Altcoin Season Index printed 71 on Sep 10, 2025. source: @rovercrc By the BlockchainCenter Altcoin Season Index methodology, a higher reading means a larger share of the top 50 cryptocurrencies have outperformed BTC over the last 90 days, with 75 marking official Altseason. source: BlockchainCenter Altcoin Season Index A 71 reading indicates broad altcoin strength but not a confirmed Altseason, so traders are watching a potential break above 75 for confirmation of continued altcoin outperformance versus BTC. source: BlockchainCenter Altcoin Season Index

According to @ReetikaTrades, current altcoin action is in a dispersion phase where a minority of alts are outperforming while the broader alt market appears weak, signaling selective opportunities rather than a broad rally (source: @ReetikaTrades on X, Sep 9, 2025). For trading, this implies rotation-driven setups that favor relative-strength leaders over passive exposure to altcoin beta, with focus on names showing persistent momentum and liquidity (source: @ReetikaTrades on X, Sep 9, 2025). It also supports tighter risk management and market- or pair-hedged positioning to capture spreads amid uneven sector performance (source: @ReetikaTrades on X, Sep 9, 2025).