Something big just happened in the crypto market, and if you’re holding altcoins, you’ll want to pay attention.
Bitcoin Dominance (BTC.D) broke above 60% this week for the first time in eight months. That single move is sending a clear message: capital is flowing back into Bitcoin and away from everything else. For anyone hoping altseason arrives soon, the data right now is not encouraging.
Let’s walk through what’s actually happening and what it means for your portfolio.
Bitcoin Dominance Breaks Out of an Eight-Month Slumber
For most of late 2025 and early 2026, Bitcoin Dominance quietly sat in a holding pattern. It bounced between roughly 58% and 60% without committing to either direction. That kind of sideways movement is called accumulation, and it ended this week with a decisive push higher.
BTC.D closed at 60.66%, breaking cleanly above the 0.236 Fibonacci level at 59.63%. That level now acts as support. The next target on the weekly chart is 66.06%, which was the cycle high back in June 2025.
That’s a potential five percentage point gain still ahead. And every point Bitcoin Dominance gains means money leaving altcoins.
On the daily chart, momentum is confirming the move. The RSI (a measure of buying and selling pressure) entered overbought territory for the first time since October 2025. Meanwhile, the MACD indicator flipped green, with rising bars showing the breakout has real force behind it. A weekly close above 61% would clear the last major resistance before the 66% target opens up.
What Crypto Kaleo’s ETH/BTC Chart Actually Tells Us
Popular crypto analyst Kaleo recently shared a long-term chart of the ETH/BTC pair, which measures Ethereum’s price relative to Bitcoin. The chart shows ETH/BTC pressing against a descending trendline that has capped every rally since 2017. Right now, the pair sits at 0.02980.
Kaleo’s projection targets the 0.055 zone if Ethereum breaks above that trendline. On the surface, that sounds bullish for altcoins. But read his own words carefully.
“In previous bull markets, alts didn’t truly break out until Bitcoin recovered and hit new all-time highs,” he wrote. “With the fallout in DeFi still settling, I think there’s a good chance this trend continues. Still a good place to stack high-conviction plays, but probably need a bit more patience for a real alt season.”
That’s not exactly a ringing endorsement of altseason arriving soon. In fact, he’s pointing out the same pattern analysts have flagged repeatedly: altcoins historically don’t run until Bitcoin is already making fresh highs. Bitcoin is currently trading well below its cycle peak, and multiple traders expect further downside into late 2026. Without a Bitcoin leg higher, the ETH/BTC base stays stuck.
Ben Cowen made a similar argument in a recent analysis, comparing 2026 to the late-cycle 2019 pattern, where altcoins quietly bled against Bitcoin for months before anyone noticed how bad things had gotten.
The Altcoin Season Index Confirms the Bad News
If you need one clean number to summarize where things stand, it’s 37. That’s the current reading of the Altcoin Season Index, which tracks whether altcoins or Bitcoin have outperformed over the past 90 days.
A reading of 75 or higher signals altseason. Right now, the index sits at 37. That’s not close.
Looking at the historical chart of the index going back to July 2022 makes things even clearer. True altseasons have been brief, sharp spikes above 75. They are rare. Most of the time, the index sits in neutral or Bitcoin-leaning territory, exactly where it is right now.
So you have three signals all pointing the same direction. Bitcoin Dominance breaking out. ETH/BTC capped at a long-term resistance trendline. And the Altcoin Season Index near multi-month lows.
What Could Change This Picture
There is one scenario where the altseason thesis comes back to life. If Bitcoin Dominance gets rejected at the 61% resistance box and closes a weekly candle back below 59.63%, that would signal the breakout failed. Money could then rotate back into altcoins, and the index could climb.
But that scenario requires sellers to show up in force right at this resistance level and push BTC.D back down. Based on the momentum indicators currently firing, that looks like the lower-probability outcome.
The harder scenario for altcoin holders is what happens if Bitcoin itself drops sharply into late 2026. Several analysts now expect that outcome. If it happens, altcoin holders face a double squeeze: losing ground against Bitcoin while also losing value in dollar terms. That’s not a comfortable place to wait for a rotation that may not arrive this year.
For now, the weight of the evidence suggests patience is required. Bitcoin is in control of this market, and the data shows no serious sign of that changing before 2026 closes out.