Bitcoin & crypto top movers — 18 Aug 2026

By Safu Trading

The biggest 24-hour gainers and losers across the top 500 by market cap, screened for real liquidity, with a cited reason wherever one holds up.

Bitcoin moved +1.1% in the last 24 hours, and 39 of the 174 coins that clear our liquidity bar (22%) closed the day green — that's the backdrop for everything below. The widest moves across the top 500 by market cap were led by RedStone at +25.7%. For each mover we say what the project actually is and, where a same-day headline genuinely explains the direction, why it moved. A single day is noise until it holds — where there's no clear catalyst we say so, and the move is better read as volatility than as the start of a trend.

Biggest 24h gainers

• RedStone (RED) +25.70%
  Infrastructure · Oracle — RedStone Is The Fastest Growing oracle, specialising in yield-bearing collateral for lending markets and securing $10bn+ .
  No clear catalyst.
• GoPlus Security (GPS) +12.90%No clear catalyst.
• Casper Network (CSPR) +12.70%No clear catalyst.
• The Black Bull (ANSEM) +11.10%No clear catalyst.
• Venice Token (VVV) +10.30%No clear catalyst.
• Allora (ALLO) +10.10%No clear catalyst.

Biggest 24h losers

• Velvet (VELVET) -50.00%No clear catalyst.
• Cysic (CYS) -23.80%Why: Cysic’s Sharp 50% Drop After Exchange Listings Highlights Profit-Taking and Dilution Risks - InteractiveCrypto
• Audiera (BEAT) -22.40%No clear catalyst.
• Akedo (AKE) -16.30%No clear catalyst.
• GALA (GALA) -15.10%No clear catalyst.
• SkyAI (SKYAI) -13.20%No clear catalyst.

How this list is built

Moves are 24-hour changes among the top 500 by market cap. We exclude stablecoins and wrapped or staked receipt tokens — their price tracks something else by design, so a big independent move is a pricing artifact, not a market view. We also drop anything under $50M market cap or $3M daily volume, anything turning over less than 2% of its market cap in a day, and any print beyond ±300% — at that size it is almost always a redenomination or a broken feed rather than a trade. 174 of the 500 coins we track cleared that bar today.

Reasons are quoted verbatim from same-day reporting, and only appear when the headline is about that coin, points the same way as the move, covers the same timeframe and names an actual cause: 1 of these 12 movers met that bar. For the rest we print "no clear catalyst" rather than attach an unrelated headline. Not financial advice.