Note: These figures reflect diluted GAAP earnings per share, reported before non-recurring items, and may differ from the non-GAAP figures used by some sources.

Part 2.1: Price Behavior Around Earnings

Sigma Lithium reports before the market opens, meaning Day 0 captures the first full trading session where investors react to results, while Day +1 reflects follow-through.

Sigma Lithium's post-earnings price action has been highly volatile, with an average absolute Day 0 move of 6.93% and an even larger Day +1 move of 9.63%. Intraday swings are substantial, with Day 0 ranges averaging 13.78% and Day +1 ranges averaging 14.56%.

The most recent earnings (August 2026) saw a +5.83% Day 0 gain followed by a -4.67% Day +1 decline, reflecting initial optimism around strong margins that gave way to concerns about forward guidance. The May 2026 report triggered a -5.85% Day 0 drop and a severe -12.25% Day +1 decline, as the operational miss and liquidity concerns weighed heavily. The March 2026 report produced the largest move in the dataset: a +13.96% Day 0 surge followed by a +3.52% Day +1 gain, driven by a surprise profit and improved production outlook.

Historically, Sigma's earnings have produced outsized reactions, with several reports generating Day +1 moves exceeding 10%. The November 2025 report saw a +32.34% Day +1 explosion, while the August 2025 report delivered a **+13.27% Day +1 rally. Investors should expect significant volatility, with the stock capable of double-digit percentage swings in either direction depending on whether the company demonstrates progress on production, margins, and liquidity.

Part 2.2: Options Market Expected Move

The options market is pricing an 11.15% expected move for the November 20 expiration, slightly above the stock's historical average Day 0 move of 6.93% but below the average Day +1 move of 9.63%. This suggests options traders are anticipating elevated volatility, though not at the extreme levels seen in some prior quarters. The expected range of $4.47 to $5.59 reflects uncertainty around whether Sigma can deliver on its turnaround narrative or if further operational or financial challenges will emerge.

Part 3: What Analysts Are Saying

Sigma Lithium carries a Hold consensus among the 5 analysts covering the stock, with an average price target of $13.67—implying 173% upside from the current price of $5.01. The breakdown includes 1 Strong Buy, 1 Moderate Buy, 2 Holds, and 1 Strong Sell, reflecting a wide range of views on the company's prospects.

The high price target of $22.68 suggests some analysts see significant upside if Sigma can execute its production ramp and capitalize on its low-cost position. The low target of $10.00 reflects more cautious views centered on execution risk, liquidity constraints, and lithium price volatility.

Analyst sentiment has improved over the past month, with one analyst upgrading from Hold to Moderate Buy following the resolution of the legal dispute and the debt extension. However, another analyst downgraded from Overweight to Neutral, citing concerns about near-term cash generation and the risk of equity dilution. The net effect is a modest improvement in the overall tone, but the consensus remains cautious.

The 173% implied upside to the average price target is substantial, but it reflects the binary nature of Sigma's investment case: if the company can deliver on its 2027 production guidance of 330,000 tonnes while maintaining its low-cost structure, the stock could re-rate significantly higher. However, if execution falters or lithium prices weaken further, the downside risk remains material. The wide dispersion in price targets underscores the uncertainty surrounding Sigma's ability to navigate its operational and financial challenges.

Part 4: Technical Picture

Sigma Lithium enters earnings under significant technical pressure. The Barchart Technical Opinion currently stands at 100% Sell, unchanged from last week and last month, reflecting sustained bearish momentum. This represents the strongest possible sell signal and indicates the technical setup is decidedly negative.

Timeframe Analysis:

• Short-term (100% Sell): Maximum bearish signal indicates severe near-term downside pressure and negative momentum
• Medium-term (100% Sell): Maximum bearish signal confirms weakness extends beyond the immediate timeframe into the intermediate trend
• Long-term (100% Sell): Maximum bearish signal shows the longer-term trend structure has deteriorated significantly

Strong Strongest trend characteristics indicate the bearish momentum is not only powerful but also accelerating, creating a highly unfavorable technical environment heading into the earnings release.

The stock is trading below all key moving averages, with the current price of $5.01 sitting well below the 5-day MA ($5.45), 10-day MA ($5.59), 20-day MA ($6.86), 50-day MA ($8.56), 100-day MA ($9.96), and 200-day MA ($12.51). This complete breakdown below all moving averages confirms a deeply entrenched downtrend, with no nearby technical support levels to cushion further declines.

The 200-day moving average at $12.51 is now 150% above the current price, illustrating the magnitude of the decline from earlier 2026 levels. The 50-day MA at $8.56 represents the nearest significant resistance, but the stock would need to rally 71% just to reclaim that level.

The technical setup is unambiguously bearish heading into earnings, with no constructive signals to suggest a near-term reversal. The stock is deeply oversold from a trend perspective, but oversold conditions can persist in the face of fundamental concerns. For bulls, a strong earnings beat and credible production restart narrative would be needed to trigger a technical reversal. For bears, the setup suggests further downside risk if results disappoint or guidance is cut. The combination of maximum bearish signals across all timeframes and positioning below all moving averages creates a high-risk environment for the earnings release.