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
Amkor reports after market close, meaning Day 0 reflects anticipatory trading before results are released, while Day +1 captures the market's first full session to react to actual earnings.
| Earnings Date | Day 0 Move | Day 0 Range | Day +1 Move | Day +1 Range |
|---|---|---|---|---|
| 2026-07-27 | -$4.25 (-6.54%) | $6.43 (9.90%) | -$15.02 (-24.74%) | $7.04 (11.60%) |
| 2026-04-27 | -$2.48 (-3.18%) | $4.02 (5.15%) | -$4.26 (-5.63%) | $8.30 (10.98%) |
| 2026-02-09 | +$3.16 (+6.40%) | $5.25 (10.65%) | +$0.94 (+1.79%) | $5.12 (9.75%) |
| 2025-10-27 | +$0.41 (+1.25%) | $0.85 (2.59%) | -$1.02 (-3.07%) | $3.48 (10.49%) |
| 2025-07-28 | +$0.07 (+0.33%) | $0.67 (3.14%) | +$3.85 (+18.13%) | $1.93 (9.11%) |
| 2025-04-28 | -$0.07 (-0.40%) | $0.46 (2.59%) | -$0.46 (-2.63%) | $0.98 (5.61%) |
| 2025-02-10 | +$0.03 (+0.12%) | $0.77 (3.16%) | -$2.77 (-11.35%) | $1.58 (6.49%) |
| 2024-10-28 | -$0.35 (-1.17%) | $0.98 (3.28%) | -$1.55 (-5.25%) | $4.07 (13.78%) |
| Avg Abs Move | 2.42% | 5.06% | 9.08% | 9.72% |
Historical price action around Amkor's earnings releases shows significant volatility, with an average absolute Day 0 move of 2.42% expanding to 9.08% by Day +1. The Day +1 reaction has been particularly dramatic in recent quarters, with the July 2026 report triggering a 24.74% decline despite the company beating estimates—the stock fell $15.02 following that release. This suggests investors may have been disappointed by guidance or forward-looking commentary even as the company exceeded quarterly expectations.
The pattern is notably asymmetric, with several quarters showing modest Day 0 moves followed by substantial Day +1 reactions. The July 2025 report exemplifies this dynamic, with a minimal 0.33% Day 0 move followed by an 18.13% surge the next session. The average Day 0 range of 5.06% and Day +1 range of 9.72% indicate investors should prepare for meaningful price swings, with the post-announcement session typically delivering the more significant move given the after-close reporting schedule.
Part 2.2: Options Market Expected Move
| Metric | Value |
|---|---|
| Expiration Date | 10/30/26 (DTE 7) |
| Expected Move | $4.45 (11.33%) |
| Expected Range | $34.85 to $43.75 |
| Implied Volatility | 119.89% |
The options market is pricing an 11.33% expected move for the upcoming earnings release, notably higher than the 9.08% average absolute Day +1 move observed historically. This elevated implied volatility suggests options traders are anticipating a larger-than-typical reaction, possibly reflecting uncertainty around the AI growth narrative, Communications segment weakness, or the Vietnam transition impact.
Part 3: What Analysts Are Saying
Analysts maintain a cautiously optimistic stance on Amkor with an average rating of 3.82 out of 5.00, though sentiment has deteriorated from 4.00 a month ago. The current consensus includes 4 Strong Buy ratings, 1 Moderate Buy, and 6 Hold ratings, with no sell recommendations. However, the shift is notable: Strong Buy ratings declined from 5 to 4 over the past month, while Hold ratings increased from 5 to 6, indicating growing caution among the analyst community.
The average price target of $69.44 implies 76.7% upside from the current price of $39.30, with estimates ranging from a low of $46.00 to a high of $90.00. This wide range reflects divergent views on how to value Amkor's AI exposure against near-term execution risks. The recent downgrade from B. Riley Securities, which lowered its target from $65 to $46, exemplifies the more cautious camp that sees the stock's valuation as stretched relative to near-term fundamentals.
Despite the deteriorating sentiment trend, the absence of any sell ratings and the substantial implied upside to the consensus target suggest analysts still view the long-term AI packaging opportunity as compelling. The shift toward more Hold ratings appears to reflect concerns about timing and valuation rather than fundamental doubts about the company's strategic positioning in advanced packaging for AI applications.
Part 4: Technical Picture
The Barchart Technical Opinion has turned decisively bearish heading into earnings, registering an 88% Sell signal compared to 72% Sell a week ago and 64% Sell a month ago. This deteriorating technical picture reflects sustained selling pressure that has pushed the stock below all key moving averages.
Timeframe Analysis:
- Short-term (100% Sell): Maximum bearish signal indicates severe near-term downward momentum
- Medium-term (100% Sell): Equally bearish intermediate-term reading confirms the weakness extends beyond just recent sessions
- Long-term (50% Sell): Moderate sell signal suggests the longer-term trend has also turned negative, though less severely than shorter timeframes
Trend Characteristics: The combination of Good strength and Strongest direction indicates a well-defined and accelerating downtrend.
The stock is trading at $39.30, positioned below all major moving averages: the 5-day at $41.13, 10-day at $43.21, 20-day at $48.06, 50-day at $49.51, 100-day at $58.91, and 200-day at $57.55. This complete breakdown below moving average support represents a significant technical deterioration from earlier in the year.
| Period | Value | Period | Value |
|---|---|---|---|
| 5-Day MA | $41.13 | 50-Day MA | $49.51 |
| 10-Day MA | $43.21 | 100-Day MA | $58.91 |
| 20-Day MA | $48.06 | 200-Day MA | $57.55 |
The technical setup heading into earnings is decidedly unfavorable, with the stock in a confirmed downtrend across all timeframes and no nearby support levels to cushion potential disappointment. The distance below the 200-day moving average—more than 31% below that key long-term trend indicator—suggests the stock would need exceptionally strong results and guidance to reverse the technical damage. Given the options market is pricing an 11.33% move and the stock has already declined substantially, investors face a high-risk setup where even a solid earnings beat may not be sufficient to trigger a sustained rally without compelling forward guidance that addresses concerns about Communications weakness and the Vietnam transition.