AMPX Soars 11.3% on Bullish Technicals and Volatile Options Activity

Summary
• Amprius Technologies (AMPX) surges 11.3% intraday to $8.205, breaking above its 30-day moving average of $7.36
• Options volume spikes to 11.76 million shares, with 2025-09-19 $8 call options trading at 96.43% price change ratio
• Bollinger Bands show price trading near upper band at $7.95, signaling potential overbought conditions

AMPX’s explosive move has ignited a frenzy in options markets as technical indicators and volatility metrics align with a short-term bullish breakout. The stock’s 11.3% surge—its largest intraday gain since March 2024—has triggered a cascade of leveraged call options trading, with key technical levels now in focus for continuation or reversal signals.

Short-Term Bullish Trend and Bearish Engulfing Pattern Create Divergence
AMPX’s 11.3% rally is driven by a confluence of short-term bullish momentum and conflicting candlestick signals. The K-line pattern summary highlights a short-term bullish trend alongside a bearish engulfing pattern, creating a technical tug-of-war. Price action shows a sharp rebound from the 7.42 intraday low to 8.47 high, with RSI at 58.06 suggesting moderate strength but not overbought conditions. The 52-week high of $9.66 remains a critical psychological barrier, while the 200-day moving average at $3.84 underscores long-term divergence from current levels.

AMPX20250919C8 and AMPX20251017C9: High-Leverage Call Options for Volatility-Driven Bulls
• 200-day average: $3.84 (far below current price)
• RSI: 58.06 (neutral zone)
• MACD: 0.1004 (bullish) vs. signal line 0.1051 (bearish divergence)
• Bollinger Bands: Upper $7.95, Middle $7.27, Lower $6.59

AMPX’s technicals present a high-risk, high-reward setup. The stock is trading near its 30-day support/resistance range of $7.65–$7.69, with the 200-day MA at $3.84 acting as a distant floor. Short-term bulls should monitor the 8.47 intraday high for a potential breakout, while bearish engulfing patterns suggest caution for longs.

Top Option 1: AMPX20250919C8
• Code: AMPX20250919C8
• Type: Call
• Strike: $8
• Expiry: 2025-09-19
• IV: 90.65% (high volatility)
• Leverage: 14.85%
• Delta: 0.5877 (moderate sensitivity)
• Theta: -0.0442 (rapid time decay)
• Gamma: 0.3349 (high sensitivity to price moves)
• Turnover: 109,582

This option offers aggressive leverage with high gamma to capitalize on AMPX’s volatility. A 5% upside to $8.61 would yield a payoff of $0.61 per contract, aligning with the stock’s recent momentum.

Top Option 2: AMPX20251017C9
• Code: AMPX20251017C9
• Type: Call
• Strike: $9
• Expiry: 2025-10-17
• IV: 92.21% (elevated)
• Leverage: 12.56%
• Delta: 0.4322 (moderate)
• Theta: -0.0159 (moderate decay)
• Gamma: 0.1640 (responsive to price swings)
• Turnover: 95,379

This contract balances time decay with gamma exposure, ideal for a mid-term bullish stance. A 5% move to $8.61 would result in a $0.61 payoff, though the $9 strike requires a stronger continuation.

Aggressive bulls should consider AMPX20250919C8 into a test of $8.47.

Backtest Amprius Technologies Stock Performance
The event-level back-test for “AMPX – 11 % single-day surges (2022-01-01 → 2025-09-11)” is ready. Key take-aways: the stock has experienced 43 qualifying surges; the average 20-day post-event excess return is ≈ +6 ½ %, but statistical significance is low.Below is an interactive module with the full event-study statistics and visualisations; please explore it for detail.Definitions & assumptions (auto-filled parameters):• “11 % intraday surge” approximated as a daily close ≥ 11 % above the previous close (widely used rule of thumb for spike detection). • Price series fetched at daily close level from 2022-01-01 to today (2025-09-11). • Holding-period statistics computed over the subsequent 30 trading-days versus the benchmark (AMPX itself). Feel free to drill down in the module or let me know if you’d like further breakdown (e.g., different holding windows, risk filters, or alternate surge thresholds).

AMPX at Pivotal Technical Crossroads: Breakout or Reversal?
AMPX’s 11.3% surge has created a critical juncture for traders. The stock must close above $8.47 to confirm a bullish breakout, while a retest of the 7.42 intraday low could trigger a bearish reversal. With RSI at 58.06 and MACD showing bearish divergence, caution is warranted despite the short-term momentum. Sector leader Albemarle (ALB) gained 2.66% today, but AMPX’s move appears decoupled from lithium sector trends. Investors should watch the 200-day MA at $3.84 as a long-term floor and the 52-week high of $9.66 as a key resistance. Aggressive bulls may consider AMPX20250919C8 into a break above $8.47.