Insider buying last 90 days
No open-market insider purchases were filed for SIMO in the last 90 days.
From Form 4 filings, dated to when each was filed.
Sep 28 close
Silicon Motion's week centers on its enterprise storage pivot, with commentary pointing to margin expansion toward 50% on the back of AI and data center demand for its storage controllers, alongside its patent portfolio in NAND technology. Shareholders also approved board re-elections and ratified Deloitte & Touche as auditors at the AGM on 22 September. Separately, brokerages have reiterated a consensus "Buy" rating, with one report citing ten firms and an average 12-month price target of $341.43, following the prior quarter's earnings beat and a cited 127% year-over-year revenue increase.
SIMO closed at $278.07, up 0.7%, sitting above both its 50-day average of $256.08 and 200-day average of $197.73, with the shorter average above the longer one. The stock's one-month return stands at 9%, though the three-month return is -16.2%. The GekkoIndex reads 54.1, placing it in the Neutral zone, while price sits 5.4% above Gekko Fair Value of $263.72.
Earnings are scheduled for 29 October, 30 days out and outside a typical 20-trading-day hold; the last report showed EPS of $3.99 against an estimate of $2, with a 15.2% reaction. Over the last 30 days, 5 unusual options signals appeared, with call premium of $4.7 million against put premium of $1.1 million. Four trailblazer holders are noted. Seasonally, the next 20 trading days have averaged -2.5% over 5 years, rising in 3 of them, worth noting alongside the fair-value gap.
Written by AI and checked automatically against the figures on this page. Generated Sep 29, 2026 from the data above.
Silicon Motion Technology scores 3 supportive, 2 mixed and 1 headwind across the 6 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
3 supportive2 mixed1 headwind
Above 50 and 200-day
Close $278.07 is above the 50-day ($256.08) and 200-day ($197.73) averages, and the 50-day is above the 200-day.
See the chart54.1, Neutral
Reading 54.1 is in the Neutral zone.
See the GekkoIndex5.4% above
Price is 5.4% above Gekko Fair Value (more than 5% above).
See fair valueLeans bullish
Last 30 days: 5 unusual options signals.
See smart moneyReports in 30 days
Next report Oct 29, 2026, 30 days away — outside a typical 20-trading-day hold.
See earnings−2.5% on average
From this point in the calendar, the next 20 trading days averaged −2.5% over 5 years, rising in 3 of them.
See seasonalityA description of current data, not a recommendation. How this page works
Silicon Motion Technology closed at $278.07 on Sep 28, 2026, +207.9% over the past year, inside a 52-week range of $79.76 to $355.00.
Use the left and right arrow keys to read daily values.
Put SIMO on a Gekko watchlist and see its GekkoIndex, Gekko Fair Value and smart money signals update on the chart as they change.
Silicon Motion Technology builds controller chips that let NAND flash memory function as usable storage, acting as the bridge between raw memory chips and the devices that rely on them. These controllers show up inside SSDs meant for everyday computers, in tougher enterprise SSDs built for data center workloads, and in embedded formats like eMMC and UFS that power smartphones and connected IoT gadgets. The lineup stretches further into memory cards, portable flash drives, and ruggedized SSDs made for industrial, commercial, and automotive uses. Consumer-facing controller products carry the SMI label, enterprise storage is sold under the Shannon Systems name, and the industrial line appears as Ferri SSD, Ferri-eMMC, and Ferri-UFS.
To move these products, the company relies on a mix of in-house sales staff and outside electronics distributors. Its buyers span NAND flash producers, module assemblers, large cloud computing operators, and original equipment manufacturers, positioning it as a supplier feeding into other companies' hardware rather than a seller of finished consumer products.
The company traces back to 1995 and runs its main operations out of Hong Kong, while maintaining a presence across Taiwan, the United States, South Korea, China, Malaysia, Singapore, and further international locations. Its stock trades under the ticker SIMO.
Silicon Motion Technology’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 54.1, in the Neutral zone, down 1.3 points over five sessions.
Down 1.3 points over five sessions.
Reading for Sep 28, 2026
| Zone | Readings | 5 days | 20 days | ||
|---|---|---|---|---|---|
| Buying | 28 | +0.7% | +9.1% | ||
| Accumulation | 181 | +1.0% | +5.3% | ||
| Neutral (current zone) | 372 | +1.1% | +4.3% | ||
| Distribution | 40 | +5.6% | +19.1% | ||
| Selling | 4 | Too few readings yet | |||
Average SIMO share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Neutral readings averaged +1.1% over 20 days. Past behaviour doesn’t guarantee future results.
Neutral zone: No clear directional signal. About the five zones →
Silicon Motion Technology trades 5.4% above Gekko Fair Value of $263.72, so the shares are overvalued on Gekko’s estimate.
Gekko’s own estimate of what Silicon Motion Technology shares are worth, recalculated every trading day.
$263.72
Gekko Fair Value, Sep 26, 2026
5.4% Overvalued
No open-market insider purchases were filed for Silicon Motion Technology, and no Congress trades were disclosed, in the last 90 days.
Plus buybacks, unusual options and fund positions, each dated to when it became public.
No open-market insider purchases were filed for SIMO in the last 90 days.
From Form 4 filings, dated to when each was filed.
No trades in SIMO were disclosed by members of Congress in the last 90 days.
From congressional disclosures, which report amounts as ranges.
Silicon Motion Technology has been buying back its own shares.
From company filings.
5signals, 81% of the flagged premium in calls.
Latest: Bullish flow on Sep 23, $1.70M in unusual premium.
4of the funds Gekko tracks hold SIMO.
Silicon Motion Technology reports on Oct 29, 2026, before the open (30 days away), and beat the EPS estimate in 7 of its last 8 reports.
Oct 29, 2026
Expected before the open, 30 days away
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Jul 29, 2026 | $3.99 est $2.00 | $451.0M est $403.4M | +15.2% |
| Apr 28, 2026 | $1.97 est $1.10 | $342.1M est $299.5M | +47.4% |
| Feb 3, 2026 | $1.26 est $1.29 | $278.5M est $261.0M | +7.2% |
| Oct 30, 2025 | $1.00 est $0.81 | $242.0M est $260.6M | −2.5% |
| Jul 30, 2025 | $0.69 est $0.52 | $202.0M est $180.3M | −1.1% |
| Apr 29, 2025 | $0.60 est $0.43 | $166.5M est $180.4M | +11.3% |
| Feb 5, 2025 | $0.91 est $0.84 | $191.2M est $191.0M | +2.0% |
| Oct 30, 2024 | $0.92 est $0.85 | $212.4M est $199.3M | −7.0% |
“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.
Analysts’ average 12-month price target for Silicon Motion Technology is $369.70, +33.0% from the last close, from 9 firms rating the stock in the last 90 days.
Each firm’s latest rating in the last 90 days: 9 firms.
| Date | Firm | Target | vs price |
|---|---|---|---|
| Sep 8 | William Blair | — | — |
| Aug 16 | Roth MKM | $350 | +25.9% |
| Aug 4 | J.P. Morgan | $350 | +25.9% |
| Jul 31 | Wedbush | $400 | +43.8% |
| Jul 31 | Craig-Hallum | $325 | +16.9% |
Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.
Over the next 20 trading days from Sep 29, Silicon Motion Technology averaged −2.5% across the last 5 years, rising in 3 of them.
| Window | Average | Years higher |
|---|---|---|
| Next 5 trading days | +3.0% | 3 of 5 |
| Next 10 trading days | −2.7% | 1 of 5 |
| Next 15 trading days | −3.2% | 2 of 5 |
| Next 20 trading days | −2.5% | 3 of 5 |
| Next 30 trading days | −2.5% | 2 of 5 |
For scale, SIMO’s typical 20-trading-day move in either direction is about 7.7%.
Silicon Motion Technology’s market cap is $9.33B, with a P/E ratio of 32.2 and revenue of $1.31B over the last twelve months.
6 headlines about Silicon Motion Technology from the past week, newest first, each linking to the publisher.
Silicon Motion Technology’s market cap is $9.33B at the Sep 28, 2026 close of $278.07, with 33.91M shares outstanding. The shares trade on a P/E ratio of 32.2.
The consensus analyst 12-month price target for Silicon Motion Technology is $369.70, +33.0% from the last close. Of the 9 firms that rated the stock in the last 90 days, 9 rate it a buy, 0 a hold and 0 a sell. Gekko doesn’t publish price predictions of its own.
On Gekko’s estimate Silicon Motion Technology is overvalued: the Sep 28, 2026 close of $278.07 is 5.4% above Gekko Fair Value of $263.72. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
Silicon Motion Technology is expected to report on Oct 29, 2026, before the market opens (30 days away). Analysts expect earnings of $3.30 per share on revenue of $529.1M. Silicon Motion Technology beat the earnings estimate in 7 of its last 8 reports, moving 11.7% on average across the report.
Silicon Motion Technology’s 52-week high is $355.00 and its 52-week low is $79.76; it closed at $278.07 on Sep 28, 2026, +207.9% over the past year.
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 3 of the 6 items with data read as supportive (trend, smart money and earnings risk), 2 as mixed (gekkoindex and seasonality) and 1 as a headwind (fair value). The checklist is a description of current data, not a recommendation.
Gekko flagged 5 unusual options signals in Silicon Motion Technology over the last 30 days, with $4.66M of flagged premium in calls and $1.09M in puts. The latest, bullish flow, was on Sep 23, 2026 with $1.70M in unusual premium. The signal-by-signal table is in Gekko.
During US trading hours the price at the top of the page is a delayed quote, refreshed every 15 minutes; everything else is rebuilt after each US market close. The GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →
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