ESMTY · Serenity viewpoints

Serenity @aleabitoreddit

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Focused on AI photonics and semiconductor supply chains — sourcing asymmetric setups from bottoms-up value-chain research. Tracks CPO & optical modules closely, with ongoing deep-dives on SIVE, AAOI, LITE, POET.

Quick verdict

ESMTY is net bullish (1 bull · 0 bear)

ESMTY is bullish as markets underestimate the impact of significant, persistent price hikes in legacy memory segments through 2027, driven by supply constraints.

Last spoke: 08/29/2026, 20:57 · conviction 7/10

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08/29/2026, 20:57UTCBullConviction: 7/10REITView on X →
Yep, ESMT (3006) has exposure to multiple legacy memory segments. Has a portfolio of: SLC/SPI NAND, NOR Flash, DDR2/DDR3, MCP/eMCP, so all the fun legacy stuff. If you want to look at broader industry price hikes coming up that ESMT has exposure to: 1. SLC NAND: ~120-170% for H2 2026. 2. DDR2: ~35-40% for Q3 2026. 3. DDR4: +30–40% Q3 (with DDR3 tightening) 4. NOR +60–65%+ for H2 (high density) 5. MCP/eMCP: maybe ~+15–25% QoQ for ESMT from my own estimate For official breakdown: DDR2 + DDR3: ~45% of revenue DDR4/other DRAM ~ 10% of revenue eMCP/MCP ≈30% Analog + other ≈15% Regardless, duration/hikes is the key: -> "none of the major global SLC NAND suppliers plan to add new production capacity in the near term." -> TrendForce specifically expects depleted inventories to make SLC NAND even tighter in Q4. -> Winbond withdrawing DDR2, would make inventory even tighter (and they're doing allocations into 2029-2030) -> ESMT management said the market's main problem was supply, not demand; the company's foundry allocations covered only roughly 60–70% of customer orders -> Nanya: "memory shortages could last through the end of 2027, with supply and demand still tight in 2028" ->Nanya explicitly said capacity constraints could cause shortages across DDR5, LPDDR5, DDR4, LPDDR4 and DDR3. -> ESMT included eMCP among the products receiving order-transfer benefits as mature node resources were being pulled elsewhere ______ If I had to state my thoughts again: I think ESMT's ~1.9x July annualized run-rate P/E could compress further, despite factoring in PSMC's 45% wafer hike due to further legacy memory price hikes. Industry commentary supports durability throughout 2027. Cherry on top is if we start seeing LTAs and visibility into 2029-2030 (but not factored in). I think markets either don't know about this, are mispricing duration, or overestimating PSMC's wafer hike effects. Maybe playing duoQ with Rank 1 Challenger "ESMT" in LoL classic... Is more fun than playing with hardstuck "Micron" in League?

Ongoing takes on other optical names too

Beyond ESMTY, his viewpoint library also covers:

$SIVE · 239 takes $AAOI · 130 takes $NVDA · 130 takes

All tracked tickers →Institutional, insider & congressional activity →

View History (1, newest first)

08/29/2026, 20:57UTCBullConviction: 7/10REITView on X →

Yep, ESMT (3006) has exposure to multiple legacy memory segments. Has a portfolio of: SLC/SPI NAND, NOR Flash, DDR2/DDR3, MCP/eMCP, so all the fun legacy stuff. If you want to look at broader industry price hikes coming up that ESMT has exposure to: 1. SLC NAND: ~120-170% for H2 2026. 2. DDR2: ~35-40% for Q3 2026. 3. DDR4: +30–40% Q3 (with DDR3 tightening) 4. NOR +60–65%+ for H2 (high density) 5. MCP/eMCP: maybe ~+15–25% QoQ for ESMT from my own estimate For official breakdown: DDR2 + DDR3: ~45% of revenue DDR4/other DRAM ~ 10% of revenue eMCP/MCP ≈30% Analog + other ≈15% Regardless, duration/hikes is the key: -> "none of the major global SLC NAND suppliers plan to add new production capacity in the near term." -> TrendForce specifically expects depleted inventories to make SLC NAND even tighter in Q4. -> Winbond withdrawing DDR2, would make inventory even tighter (and they're doing allocations into 2029-2030) -> ESMT management said the market's main problem was supply, not demand; the company's foundry allocations covered only roughly 60–70% of customer orders -> Nanya: "memory shortages could last through the end of 2027, with supply and demand still tight in 2028" ->Nanya explicitly said capacity constraints could cause shortages across DDR5, LPDDR5, DDR4, LPDDR4 and DDR3. -> ESMT included eMCP among the products receiving order-transfer benefits as mature node resources were being pulled elsewhere ______ If I had to state my thoughts again: I think ESMT's ~1.9x July annualized run-rate P/E could compress further, despite factoring in PSMC's 45% wafer hike due to further legacy memory price hikes. Industry commentary supports durability throughout 2027. Cherry on top is if we start seeing LTAs and visibility into 2029-2030 (but not factored in). I think markets either don't know about this, are mispricing duration, or overestimating PSMC's wafer hike effects. Maybe playing duoQ with Rank 1 Challenger "ESMT" in LoL classic... Is more fun than playing with hardstuck "Micron" in League?