When Bitcoin rises without other coins following suit, a few factors might be at play:

1. **Market Dominance**: Bitcoin often serves as the market leader. When BTC rallies, it can draw investment attention away from other coins as traders move funds into Bitcoin, which can delay price increases for altcoins.

2. **BTC as a "Safe Haven"**: In uncertain times, Bitcoin is sometimes seen as a safer asset within the crypto space, leading to "flight to quality" behavior where traders choose BTC over more volatile altcoins.

3. **Institutional Investment**: Recent trends suggest increasing institutional interest in Bitcoin rather than in most altcoins, which can drive up Bitcoin's price more directly.

4. **Liquidity Differences**: Bitcoin has more liquidity compared to altcoins, meaning larger inflows can push BTC prices up significantly while altcoins might not see the same effect unless there is a broader altcoin rally.

5. **BTC News**: Sometimes, specific news about Bitcoin (such as regulatory approvals, ETF news, or major adoption announcements) can boost its price, while other coins remain unaffected.

In Binance and other exchanges, this pattern is relatively common and can be part of a larger "BTC season" where Bitcoin outperforms while altcoins stagnate or even decline.

$PEPE $PEOPLE $NEIRO