
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.
Amkor reports after market close, meaning Day 0 captures anticipatory trading before results are released, while Day +1 represents the first full session where the market reacts to actual earnings data.
| Earnings Date | Day 0 Move | Day 0 Range | Day +1 Move | Day +1 Range |
|---|---|---|---|---|
| 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%) |
| 2024-07-29 | -$0.55 (-1.44%) | $2.13 (5.57%) | -$7.09 (-18.86%) | $6.45 (17.17%) |
| Avg Abs Move | 1.79% | 4.52% | 8.34% | 10.42% |
Historical price behavior reveals highly volatile post-earnings moves with significant directional inconsistency. The average absolute Day +1 move of 8.34% substantially exceeds the Day 0 move of 1.79%, confirming that the real price action occurs after results are digested.
The most recent earnings cycle shows dramatic swings: April 2026 saw a 5.63% decline on Day +1, while February 2026 delivered a modest 1.79% gain following a strong 6.40% Day 0 rally. The largest historical move came in July 2024, when the stock plunged 18.86% the day after reporting—demonstrating the downside risk when results or guidance disappoint.
Investors should prepare for substantial volatility, with the Day +1 range averaging 10.42%. The lack of a consistent directional pattern—recent quarters have alternated between gains and losses—suggests the market reacts primarily to the specifics of each report rather than following a predictable post-earnings trend.
| Metric | Value |
|---|---|
| Expiration Date | 08/21/26 (DTE 28) |
| Expected Move | $13.30 (20.70%) |
| Expected Range | $50.96 to $77.56 |
| Implied Volatility | 109.54% |
The options market is pricing an expected move of 20.70% through the August expiration, which is significantly larger than the historical average Day +1 move of 8.34%. This elevated implied volatility suggests options traders are anticipating an unusually consequential earnings event, potentially reflecting heightened uncertainty around guidance given geopolitical risks and semiconductor cycle positioning.
Analysts maintain a moderately bullish stance on Amkor with an average recommendation of 3.70 (between Hold and Buy), though the consensus reflects meaningful divergence. The current breakdown shows 3 Strong Buys, 1 Moderate Buy, and 6 Holds—no analysts rate the stock Sell or Strong Sell.
Sentiment has improved over the past month, with one analyst upgrading from Hold to Strong Buy, pushing the average recommendation higher from 3.50. This shift reflects growing confidence in Amkor's advanced packaging positioning despite broader semiconductor sector concerns.
The average price target of $74.50 implies 14.7% upside from the current price of $64.96, with estimates ranging from a low of $60.00 to a high of $90.00. The wide target range—spanning 50% from low to high—underscores the uncertainty around how much of Amkor's recent earnings momentum is sustainable versus cyclical. The most bullish analysts see the company as a structural beneficiary of AI-driven packaging demand, while more cautious voices worry about capacity oversupply and margin normalization as the industry adds advanced packaging capabilities.
The Barchart Technical Opinion currently shows a 24% Buy signal, representing a significant deterioration from 40% Buy one week ago and 100% Buy one month ago. This rapid weakening in technical momentum heading into earnings suggests growing caution among momentum-driven traders.
Timeframe Analysis:
Trend Characteristics: The Weak strength combined with Weakest direction indicates a deteriorating trend environment heading into the earnings release, with momentum fading across timeframes.
The stock is trading at $64.96, positioned below all short- and intermediate-term moving averages (5-day at $65.31, 10-day at $65.64, 20-day at $69.90, and 50-day at $73.19), but remains above the 200-day moving average at $53.25. This configuration—below all near-term averages but above the long-term trend line—suggests a stock in correction mode within an intact longer-term uptrend.
| Period | Value | Period | Value |
|---|---|---|---|
| 5-Day MA | $65.31 | 50-Day MA | $73.19 |
| 10-Day MA | $65.64 | 100-Day MA | $65.16 |
| 20-Day MA | $69.90 | 200-Day MA | $53.25 |
The technical setup heading into earnings is cautionary, with the stock having broken below key short-term support levels and momentum indicators weakening rapidly. The 20-day moving average at $69.90 represents the first significant resistance level, while the 50-day at $73.19 marks the more important technical hurdle that would need to be reclaimed to restore the intermediate-term uptrend. The 100-day moving average at $65.16 sits just above the current price and could provide near-term resistance. Given the deteriorating technical picture combined with elevated options-implied volatility, the stock faces a challenging setup where a strong earnings beat and guidance raise may be necessary just to stabilize the chart, while any disappointment could trigger an accelerated move toward the 200-day moving average support.