Is the ALTCOINS season about to begin?Bitcoin all time history indexINDEX:BTCUSDSwissquoteThis is the big question for investors whose crypto portfolios are composed of 0% bitcoin and 100% altcoins. This split has been the wrong strategy so far this cycle, as bitcoin's dominance has steadily increased since the start of the bull cycle that began at US$15,000 in autumn 2022. But since the beginning of July, and despite bitcoin's new all-time high, its dominance has begun to retreat after developing a bearish price/momentum divergence (momentum being represented here by the RSI technical indicator). This is largely due to a marked rebound in the relative strength of Ether versus bitcoin, but not exclusively. Several charts argue in favour of the return of a small altcoin season between now and the end of bitcoin's bullish cycle. 1) A validated bearish divergence on bitcoin's dominance in weekly data This is a long-awaited signal from the crypto investment community, namely the day when bitcoin's dominance will recede to make way for a better relative performance from altcoins. It's a phenomenon known as “altcoin season”, and it will come about if, and only if, BTC's dominance gives a downward reversal signal. That's why we need to keep a close eye on this potential bearish divergence on BTC dominance. The chart below shows Japanese candlesticks in weekly Bitcoin dominance data 2) The global altcoin index gave a positive technical signal in weekly data A good way of representing altcoins is to remove bitcoin, ETH and stablecoins from the total crypto market capitalization. This gives a purer graphical representation of altcoins. This altcoin chart is just below with the weekly Japanese candlesticks, and you can see that a bullish chart signal has been given with the bullish technical breakout of resistance. This graphic signal is an argument in favour of altcoins continuing to rise between now and the end of bitcoin's bullish cycle, expected for autumn 2025. 3) ALTCOINS: there's a potential bullish divergence on the ratio between altcoins (represented by the TOTAL3 index) and BTC But it's the altcoins/bitcoin ratio that's the best barometer for seeing a potential altcoin season coming. This ratio is embodied here by the TOTAL3/BTC ratio, and a potential bullish divergence is forming. If this ratio were to confirm it by breaking through technical resistance, this would signal the start of the altcoin season. DISCLAIMER: This content is intended for individuals who are familiar with financial markets and instruments and is for information purposes only. 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