The SEI/BTC trading pair has shown promising bullish signs as of September 12, 2025, with SEI gaining traction amid a broader altcoin resurgence, per CoinoMedia. SEI, the native token of the high-speed Layer-1 blockchain optimized for trading, has formed a bullish pennant pattern on its weekly chart, signaling potential upside, per. Trading at approximately $0.30 against BTC, SEI has printed higher lows and is testing resistance near $0.285–$0.29, with increased spot trading volume reaching a Q2 2025 record of $2.23B, per. This setup, backed by solid volume and positive sentiment, positions SEI for a possible breakout, especially as Bitcoin (BTC) consolidates around $114,000, per.
SEI‘s chart displays a clear bullish structure on the weekly timeframe, with the price above the 20-week moving average, indicating sustained buyer support, per. The RSI at 58 suggests neutral-to-bullish momentum, with no bearish divergence on the histogram, per. Analysts like van de Poppe forecast a rally toward $0.37–$0.50, a 54%–67% gain from current levels, if SEI breaks above $0.33–$0.35 resistance, per. A cup-and-handle pattern could confirm this if consolidation holds, targeting $0.65 (100% upside), per. However, a retest of $0.27 support remains possible if altcoins bleed, per.
Social metrics and engagement around SEI have risen, with X posts highlighting its bullish outlook against BTC, per. Whale wallets added 1.1M SEI ($27M) last week, with smart money increasing holdings by 12.6%, per. The SEI/BTC pair’s upward momentum aligns with altcoin season signals, as BTC dominance fell to 57.4% (down 3.12% in 24 hours), per. CryptoBullet noted on X, “$SEI against #BTC also looks bullish 👀 $SEIBTC wants to go higher” garnering 745 likes, per. Broader resilience in altcoins like ONDO (+9%) supports SEI‘s potential outperformance, per.
SEI could target $0.498 (54% upside) if BTC holds $115,000, with a medium-term goal of $0.65, per. For September 2025, forecasts average $0.261, with a high of $0.307, per. Risks include a pullback to $0.20 if altcoins weaken, per. With SEI’s $1.72B market cap (rank #77) and $221M 24-hour volume (up 48.9%), monitor BTC support at $112,000, per. Dollar-cost average into SEI with stop-losses below $0.27, or diversify into USDC, per TradingView. Follow @TheBlock__ on X for updates. SEI’s trading-focused blockchain could drive a $5B market cap by 2026, per.
