Bitcoin's Support Test Could Set the Tone for the Next Altcoin Move

Crypto markets sold off hard and fast today. Bitcoin printed a large red one-hour candle, and the major altcoins dropped between roughly 4% and 7% in about half an hour. The move came alongside renewed escalation headlines out of the Middle East. Moves that fast tend to produce emotional decisions, and this one is no different.

The more useful question is where it is likely to find buyers. Bitcoin is pulling back into a zone that used to be resistance and has since turned into support, and that zone lines up with a descending trend line. When the market leader is testing a level like that, the altcoins tend to follow Bitcoin's lead, only with bigger moves. Each of them has its own defined support below.

The key question is whether Bitcoin can hold its former resistance zone as support. Nick sees the strongest potential for a bounce where the bottom of that zone converges with the descending trend line. If Bitcoin continues lower, the support levels across the altcoins become the next areas to watch.

Bitcoin: Former Resistance Turned Support

To understand today's move, zoom out from the one-hour chart. Bitcoin is trading inside a rectangle defined by two reference points: the November wick low, which marks the bottom of the zone, and the May high, which marks the top.

That rectangle has a history. Price pressed against it repeatedly as resistance before it finally closed a daily candle inside the zone. That close changed its role. Former resistance became support, and Bitcoin bounced off the top of the range before today's sell pressure pushed it back down.

The Descending Trend Line Confluence

The second element is a descending trend line that shows up clearly on both the four-hour and one-hour charts. It previously acted as support during a pullback, stopping the decline when price wicked into the rectangle.

The line is now converging with the bottom of the support zone. When horizontal support and a trend line meet at the same price, that area carries more weight than either level would alone. If Bitcoin falls back into that confluence, Nick sees it as one of the stronger areas for a potential relief bounce.

Altcoins: Higher Beta, Defined Levels

When Bitcoin drops 3% or 4%, altcoins often drop 5% to 10%. Today fit that pattern. Ethereum fell about 3.9% in 36 minutes, Solana about 4%, XRP more than 4.5%, AVAX about 6.6%, and Cardano nearly 7%.

The size of the move matters less than where each asset sits relative to its own structure.

Ethereum: Bottom of the Bull Flag

Ethereum broke out of a bull flag on the daily chart. The pattern's measured target sits near $3,200, which also serves as a possible resistance area in the coming weeks. Before that comes into play, ETH needs to resolve its current range. The bottom of the flag gives support near $2,357–$2,360.

Solana: The $100 Psychological Level

Solana broke out above a descending trend line that had acted as resistance through repeated tests. On a retest, that same line now sits just below $100, around $96–$97, and drifts lower over time. The $100 mark itself is a strong psychological level, likely to attract both buying and selling activity.

XRP: Trend Line Support Near $1.28

XRP failed to close a four-hour candle above near-term resistance. The more important reference is a trend line drawn from the August peak through a subsequent resistance point. Extending that line forward puts potential support near $1.278, just below $1.30. That is the area to monitor if Bitcoin's weakness continues to pressure XRP.

Cardano: Multi-Month Support Under Pressure

Cardano was the weakest of the group. It failed its retests, rolled over, and is now heading toward a support level on the daily chart that dates back to July and was retested in August and September. That multi-month area is the next support Nick is watching if weakness continues. A successful retest there could put the higher range back in play.

AVAX: Testing $10

AVAX was trading almost exactly at $10 during the analysis, putting it at a major psychological level. Round numbers like $1, $10, and $100 tend to bring heavy volume, and there is potential for a bounce around that price. Prior four-hour wick lows identify another support area slightly below $10 if selling continues.

Zcash: A Signal That Played Out

Zcash had shown a bearish RSI divergence, with price making higher highs while RSI made lower highs. That divergence preceded a short setup that went on to play out. Support from prior wicks now sits just above $1,000, near $1,047–$1,050.

Key Levels to Monitor

What to Watch Next

Bitcoin is the deciding factor. A hold where the bottom of its rectangle meets the descending trend line keeps the bounce setup in play and makes the altcoin levels above credible areas for a reaction. A sustained move below that support zone would weaken the bullish bounce thesis and put additional pressure on the altcoin support levels identified above.

Also watch the headlines. Today's move coincided with geopolitical news, so any change in tone out of the Middle East could speed up or reverse the move.

Process Over Reaction

Fast sell-offs push traders into reactive decisions. Today's structure offers a framework instead: defined support, not a guaranteed bounce.

That framework starts and ends with Bitcoin. If the bottom of its former resistance zone holds where it meets the descending trend line, the altcoin support levels become more meaningful places to watch for a reaction. If it gives way, those same levels become the next tests.