SELLAS Life Sciences Group, Inc stock jumps 20% in five days as RSI nears overbought

SELLAS Life Sciences Group, Inc stock closed at 15.46, surging more than 20% over five sessions on volume of 15.2 million shares. The move caps three straight weeks of gains — the stock’s best week since early July — and marks an aggressive continuation of a building uptrend.

Key takeaways

• SLS closed at 15.46, above the daily upper Bollinger Band of 14.65
• RSI14 sits at 69.8, just below the classic overbought threshold
• All three timeframes (daily, 1H, 15m) register a bullish regime with aligned EMA stacks
• Daily pivot at 14.8, with R1 resistance at 16.33 and S1 support at 13.92
• The rally is partly fueled by unconfirmed REGAL trial developments

Momentum and Volatility Signals on the SLS Stock Chart

Across the daily chart, momentum on the SLS stock chart is strong but approaching overbought territory. Volatility has expanded alongside the rally, keeping both breakout and pullback risks elevated.

Daily Trend Structure and EMA Alignment

The daily timeframe shows an unambiguously bullish regime. The 20-day EMA at 12.54 sits above the 50-day EMA at 11.38. Both sit well above the 200-day EMA at 7.29. This is a textbook uptrend stack, with short-term price action leading the longer-term trend by a wide margin. The rally is not a one-day spike on a flat base — it is a trend that has been building for weeks.

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