Crypto movers & shakers: ALGO Soars, SIREN dumps this week

ALGO and SIREN: The Great Altcoin Divide

The week of March 31 to April 5, 2026, illustrates with brutal clarity the difference between a solid narrative trade and a classic manipulation scheme in the altcoin market. On one hand, Algorand (ALGO) recorded a +43% to +49% performance over seven days, backed by real fundamentals. On the other, Siren (SIREN) collapsed by 93% from its March 22 ATH, wiping out over $1 billion in market capitalization in just a few hours. Same market, same week, two diametrically opposed realities.

Algorand, DeXe, and Venice Token led the week’s gains. Siren, Midnight, and Ethena recorded the most significant drops. Core (CORE) led the losers with a 66% plunge, followed by BabyBoomToken (-48%) and Cysic (-42%).

What Really Propelled ALGO

Algorand’s rally is not just a simple rotation of speculative capital. The main catalyst was the Google Quantum AI whitepaper, which cites Algorand 32 times, placing it right behind Bitcoin and Ethereum in discussions regarding quantum resistance. The document specifically praises the production deployments of Falcon post-quantum signatures and state proofs, providing Algorand with a level of institutional credibility and validation that few projects can claim.

That is not all. On April 1, 2026, the Swiss retail bank PostFinance integrated ALGO, allowing its 2.5 million customers to trade and hold the token directly from their existing bank accounts. This concrete adoption within a regulated financial environment significantly lowers the barrier to entry for mainstream users.

On-chain and derivatives data confirmed the strength of the move: whales were accumulating aggressively, open interest on Binance surged, the long/short ratio skewed firmly to the long side, and 24-hour liquidations came 80% from short positions, consistent with a classic short squeeze.

SIREN: $1 Billion Evaporated in 10 Days

The story of Siren (SIREN) is radically different and serves as a textbook case on the risks of low float tokens. CoinGecko documented that SIREN had doubled its market capitalization three times in a single month, with each rally ending in a full retracement. The token reached its ATH at $3.61 on March 22, 2026, before collapsing by more than 93% in ten days.

The structural reason for this extreme volatility is documented on-chain. On-chain analysis reveals that a single entity controlled up to 88% of the circulating supply, raising major manipulation concerns. The April 2 crash saw the token plummet by 83% in a single day, wiping out a market cap exceeding $1 billion and dragging it down to around $200 million. This occurred alongside a daily trading volume 983% above normal and over $20 million in short positions liquidated on Binance Futures.

This triple pump and total dump pattern is exactly what experienced traders use as a red flag. A token whose market cap doubles and then fully collapses three times in a month is not undergoing ordinary market corrections: it is distributing massively at the expense of late buyers.

Should You Buy the Dip on Crushed Altcoins?

Our takeaway for this week: the divergence between ALGO and SIREN is full of practical lessons for any cryptocurrency investor. ALGO is climbing for the right reasons: a Google citation, real banking adoption, 3.5 billion on-chain transactions, and a technical breakout from a multi month descending channel. SIREN is collapsing for one fundamental reason: an 88% supply concentration in a single entity, making any price discovery artificial by design.

ALGO’s RSI at 83.75 signals severe overbought conditions and increases the probability of a short term technical retracement. The critical support zone lies between $0.103 and $0.112 for the bulls to maintain the bullish structure. A healthy pullback to this area would offer a more solid repositioning opportunity than chasing momentum at current levels. For SIREN and similar tokens with high supply concentration, caution is advised regardless of the correction’s magnitude. Without true supply decentralization, the risk of further distribution episodes remains high. ALGO forecasts for late April project a $0.125 to $0.130 range according to several models, contingent on holding support and macro stability.

Sources:

• KayBlockchain on X
• Algorand on X
• TradingView

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