Insider buying last 90 days
No open-market insider purchases were filed for DIOD in the last 90 days.
From Form 4 filings, dated to when each was filed.
Sep 28 close
Diodes drew attention this week on a mix of product news and analyst commentary. The company launched a new family of field-plated Super Barrier Rectifier devices aimed at automotive systems, emphasizing efficiency and reliability. Separately, Wall Street Zen lowered its rating on the stock from "strong-buy" to "buy," while noting the broader analyst consensus remains "Buy" with an average price target of $135. Other coverage highlighted a high-growth momentum and breakout setup screen, alongside a report noting the stock's 5.7% single-day gain to $95.94 as part of a longer advance.
Diodes closed at $96.37, up 0.6%, sitting above both its 50-day average of $92.23 and 200-day average of $83.23. The stock's one-month return stands at 6.1%, its six-month return at 41.3%, and its one-year return at 81.9%. The GekkoIndex reads 54, placing it in the Neutral zone, down 4.3 over five days. Gekko Fair Value is set at $102.35, putting the current price 5.8% below that level.
Diodes next reports earnings on 5 November 2026, after the close, which falls outside a typical 20-trading-day holding window. Its last quarterly report showed an EPS beat of $0.70 versus $0.61 expected, with a 11.8% reaction, and the company has beaten estimates in 6 of 8 recent quarters. No insider, Congress or unusual options activity appears in their respective windows. Seasonally, the next 20 trading days have averaged a 1.1% return over 5 years, rising in 4 of those years, a pattern worth noting alongside the two analyst firms currently rating the stock "Buy."
Written by AI and checked automatically against the figures on this page. Generated Sep 29, 2026 from the data above.
Diodes scores 4 supportive, 1 mixed and 0 headwinds across the 5 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
4 supportive1 mixed0 headwinds
Above 50 and 200-day
Close $96.37 is above the 50-day ($92.23) and 200-day ($83.23) averages, and the 50-day is above the 200-day.
See the chart54, Neutral
Reading 54 is in the Neutral zone.
See the GekkoIndex5.8% below
Price is 5.8% below Gekko Fair Value (more than 5% below).
See fair valueNo data
No insider, Congress or unusual options activity in the window.
See smart moneyReports in 37 days
Next report Nov 5, 2026, 37 days away — outside a typical 20-trading-day hold.
See earnings+1.1% on average
From this point in the calendar, the next 20 trading days averaged +1.1% over 5 years, rising in 4 of them.
See seasonalityA description of current data, not a recommendation. How this page works
Diodes closed at $96.37 on Sep 28, 2026, +81.9% over the past year, inside a 52-week range of $42.28 to $125.99.
Use the left and right arrow keys to read daily values.
Put DIOD on a Gekko watchlist and see its GekkoIndex, Gekko Fair Value and smart money signals update on the chart as they change.
Diodes designs, manufactures, and distributes semiconductor components used in electronic devices around the world. Its work spans discrete parts such as transistors, rectifiers, and diodes, along with analog products like power management chips, voltage regulators, amplifiers, and sensors. The company is also known for mixed-signal and logic devices, including switches, interface components, clock circuits, and CMOS logic parts, many of which are built with a small number of pins while combining active and passive elements.
Beyond individual components, Diodes makes multi-chip products that combine discrete, analog, and mixed-signal silicon in single packages, as well as wafers, crystals, and oscillators. Its components are used across consumer electronics, computing, telecommunications, industrial equipment, and automotive systems, reflecting a product line built to serve varied electronic manufacturing needs rather than a single market.
Diodes trades on the NASDAQ under the ticker DIOD.
Diodes’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 54, in the Neutral zone, down 4.3 points over five sessions.
Down 4.3 points over five sessions.
Reading for Sep 28, 2026
| Zone | Readings | 5 days | 20 days | ||
|---|---|---|---|---|---|
| Buying | 23 | +3.5% | +0.8% | ||
| Accumulation | 222 | +1.0% | +2.6% | ||
| Neutral (current zone) | 389 | −0.1% | +1.6% | ||
| Distribution | 37 | +2.2% | +0.6% | ||
| Selling | 1 | Too few readings yet | |||
Average DIOD 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 →
Diodes trades 5.8% below Gekko Fair Value of $102.35, so the shares are undervalued on Gekko’s estimate.
Gekko’s own estimate of what Diodes shares are worth, recalculated every trading day.
$102.35
Gekko Fair Value, Sep 26, 2026
5.8% Undervalued
No open-market insider purchases were filed for Diodes, 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 DIOD in the last 90 days.
From Form 4 filings, dated to when each was filed.
No trades in DIOD were disclosed by members of Congress in the last 90 days.
From congressional disclosures, which report amounts as ranges.
Diodes has been buying back its own shares.
From company filings.
Diodes reports on Nov 5, 2026, after the close (37 days away), and beat the EPS estimate in 6 of its last 8 reports.
Nov 5, 2026
Expected after the close, 37 days away
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Aug 5, 2026 | $0.70 est $0.61 | $445.5M est $436.6M | +11.8% |
| May 7, 2026 | $0.43 est $0.33 | $405.5M est $396.3M | −4.0% |
| Feb 10, 2026 | $0.22 est $0.19 | $391.6M est $381.3M | +27.6% |
| Nov 6, 2025 | $0.37 est $0.38 | $392.2M est $380.0M | −15.5% |
| Aug 7, 2025 | $0.32 est $0.25 | $366.2M est $384.8M | +5.8% |
| May 8, 2025 | $0.19 est $0.15 | $332.1M est $323.3M | +14.1% |
| Feb 11, 2025 | $0.27 est $0.32 | $339.3M est $337.1M | −1.4% |
| Nov 7, 2024 | $0.43 est $0.42 | $350.1M est $346.3M | +0.1% |
“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 Diodes is $162.50, +68.6% from the last close, from 2 firms rating the stock in the last 90 days.
Each firm’s latest rating in the last 90 days: 2 firms.
| Date | Firm | Target | vs price |
|---|---|---|---|
| Aug 6 | Truist Financial | $133 | +38.0% |
| Aug 5 | Robert W. Baird | $192 | +99.2% |
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, Diodes averaged +1.1% across the last 5 years, rising in 4 of them.
| Window | Average | Years higher |
|---|---|---|
| Next 5 trading days | +2.4% | 4 of 5 |
| Next 10 trading days | −0.7% | 2 of 5 |
| Next 15 trading days | +1.6% | 3 of 5 |
| Next 20 trading days | +1.1% | 4 of 5 |
| Next 30 trading days | +2.3% | 3 of 5 |
For scale, DIOD’s typical 20-trading-day move in either direction is about 7.9%.
Diodes’s market cap is $4.43B, with a P/E ratio of 51.2 and revenue of $1.63B over the last twelve months.
Coverage of Diodes this week reads positive: 2 positive, 1 neutral and 0 negative headlines.
Diodes’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.
| Stock | GekkoIndex zone | vs Fair Value |
|---|---|---|
| NVDANVIDIA | Neutral | 13.2% below |
| AVGOBroadcom | Accumulation | 2.3% below |
| MUMicron Technology | Neutral | 4.7% above |
| AMDAdvanced Micro Devices | Neutral | 19.9% above |
| INTCIntel | Neutral | 19.1% above |
| TXNTexas Instruments | Neutral | 7.4% above |
A peer links to its own page where one exists.
Diodes’s market cap is $4.43B at the Sep 28, 2026 close of $96.37, with 46.05M shares outstanding. The shares trade on a P/E ratio of 51.2.
The consensus analyst 12-month price target for Diodes is $162.50, +68.6% from the last close. Of the 2 firms that rated the stock in the last 90 days, 2 rate it a buy, 0 a hold and 0 a sell. Gekko doesn’t publish price predictions of its own.
On Gekko’s estimate Diodes is undervalued: the Sep 28, 2026 close of $96.37 is 5.8% below Gekko Fair Value of $102.35. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
Diodes is expected to report on Nov 5, 2026, after the market closes (37 days away). Analysts expect earnings of $1.06 per share on revenue of $510.5M. Diodes beat the earnings estimate in 6 of its last 8 reports, moving 10% on average across the report.
Diodes’s 52-week high is $125.99 and its 52-week low is $42.28; it closed at $96.37 on Sep 28, 2026, +81.9% over the past year.
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 4 of the 5 items with data read as supportive (trend, fair value, earnings risk and seasonality), 1 as mixed (gekkoindex). The checklist is a description of current data, not a recommendation.
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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