Insider buying last 90 days
No open-market insider purchases were filed for SGML in the last 90 days.
From Form 4 filings, dated to when each was filed.
Every SGML insider filing, plotted on the chart in Gekko.Open SGML in Gekko
NASDAQ: SGML
Sigma Lithium (SGML) Stock Analysis & Forecast
Oct 12 close
$8.81−0.54 (−5.8%)
Gekko Brief
AI summaryOct 12 closeSigma Lithium resumed mining and processing operations at its Grota do Cirilo project in Brazil after a federal appeals court upheld the company's environmental licenses, overturning a prior suspension and reversing a local court ruling; the news was credited with a 6.3% pre-market jump. Separately, the stock carries a consensus "Reduce" rating from analysts, with several firms recently lowering price objectives, and implied volatility on SGML options has been reported as surging, with elevated activity noted in the Oct 16, 2026 $5 Call.
SGML closed at $8.81, down 5.8% on the day, and sits below both its 50-day average of $10.67 and its 200-day average of $13.31, with the 50-day below the 200-day. The GekkoIndex reads 64.7, placing the stock in the Accumulation zone. Price is close to Gekko Fair Value of $8.62, a gap of 2.2%.
The next earnings date falls on 13 November 2026, 31 days out and beyond a typical 20-trading-day holding window; the prior quarter's EPS of -$0.02 missed the $0.23 estimate, with the stock moving just 0.9% on the report against an average absolute reaction of 11.7%. No insider, Congress or unusual options activity is recorded in their respective windows. Seasonality from this point in the calendar has averaged -2.1% over the next 20 trading days across 5 years, rising in 2 of them, a pattern worth noting alongside the consensus target of $11.33.
Written by AI from the Oct 12, 2026 close and checked automatically against the figures on this page.
Sigma Lithium price vs fair value
Close $8.81200-day averageGekko Fair Value $8.62
Sigma Lithium quick facts
- Market cap
- $981.5M
- P/E ratio
- —
- Forward P/E
- 5.1
- EPS, TTM
- −$0.24
- Revenue, TTM
- $142.5M
- Profit margin
- -19.3%
- Dividend yield
- —
- Beta
- 0.68
- Volume
- 1.72M avg 2.54M
- 1-year return
- +18.6%
- Typical daily move
- ±7.3%
- Typical 20-day move
- ±12.1%
- 50-day average
- $10.67
- 200-day average
- $13.31
- Next earnings
- Nov 13
- Shares outstanding
- 112.6M
Sigma Lithium swing-trade checklist
Sigma Lithium scores 2 supportive, 1 mixed and 2 headwinds across the 5 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
2 supportive1 mixed2 headwinds
- Trendheadwind
Below 50 and 200-day
Close $8.81 is below the 50-day ($10.67) and 200-day ($13.31) averages, and the 50-day is below the 200-day.
See the chart - GekkoIndexsupportive
64.7, Accumulation
Reading 64.7 is in the Accumulation zone.
See the GekkoIndex - Fair valuemixed
2.2% above
Price is within 5% of Gekko Fair Value (2.2% above).
See fair value - Smart moneyno data
No data
No insider, Congress or unusual options activity in the window.
See smart money - Earnings risksupportive
Reports in 32 days
Next report Nov 13, 2026, 32 days away — outside a typical 20-trading-day hold.
See earnings - Seasonalityheadwind
−2.1% on average
From this point in the calendar, the next 20 trading days averaged −2.1% over 5 years, rising in 2 of them.
See seasonality
A description of current data, not a recommendation. How this page works
Sigma Lithium stock chart and price history
Sigma Lithium closed at $8.81 on Oct 12, 2026, +18.6% over the past year, inside a 52-week range of $4.62 to $24.48.
Close50-day average200-day averageVolume
Use the left and right arrow keys to read daily values.
Performance Breakdown
- 1 month
- −7.3%
- 3 months
- −26.5%
- 6 months
- −49.3%
- 1 year
- +18.6%
The full SGML chart adds GekkoIndex, insider, options, Congress and hedge fund markers, plus TrendCandles™.Open SGML in Gekko
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About Sigma Lithium
Sigma Lithium focuses on finding and developing lithium deposits across Brazil, work that centers on four wholly owned properties known as Grota do Cirilo, Genipapo, Santa Clara, and São José. Together these holdings cover a cluster of mineral rights, roughly 191 square kilometers in total, making lithium exploration the core of what the company is recognized for.
The properties sit within the Araçuaí and Itinga areas of Minas Gerais state, and the company holds full ownership across 27 separate mineral rights tied to these sites. It previously operated under the name Sigma Lithium Resources Corporation before changing to its current name in July 2021.
Sigma Lithium is headquartered in São Paulo, Brazil, with its mineral projects located in Minas Gerais state. Its shares are listed on the NASDAQ under the ticker SGML.
- Listed
- NASDAQ
- Sector
- Non-energy minerals
- Industry
- Other metals/Minerals
- Website
- sigmalithiumresources.com
Sigma Lithium GekkoIndex: the smart money zone
Sigma Lithium’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 64.7, in the Accumulation zone, up 0.8 points over five sessions.
64.7Accumulation
Up 0.8 points over five sessions.
Reading for Oct 12, 2026
What followed past readings in each zone
| Zone | Readings | 5 days | 20 days | ||
|---|---|---|---|---|---|
| Buying | 84 | −2.2% | −5.8% | ||
| Accumulation (current zone) | 263 | +0.5% | +6.3% | ||
| Neutral | 315 | +0.5% | −0.4% | ||
| Distribution | 19 | +0.1% | −6.6% | ||
| Selling | 1 | Too few readings yet | |||
Average SGML share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Accumulation readings averaged +2.2% over 20 days. Past behaviour doesn’t guarantee future results.
Accumulation zone: Institutional interest building. About the five zones →
See every daily GekkoIndex reading plotted over the SGML price, zone by zone.Track SGML in Gekko
Is Sigma Lithium stock overvalued? Gekko Fair Value
Sigma Lithium trades 2.2% above Gekko Fair Value of $8.62, so the shares are about fair value on Gekko’s estimate.
Gekko’s own estimate of what Sigma Lithium shares are worth, recalculated every trading day.
$8.62
Gekko Fair Value, Oct 10, 2026
2.2% above fair value · About fair value
At the end of Aug 2026 the price was 4.1% above the estimate.
Gekko Fair ValueShare price, month end
Gekko Fair Value on every chart, with the gap to price updating daily.Open SGML in Gekko
Sigma Lithium insider and Congress trading
No open-market insider purchases were filed for Sigma Lithium, 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.
Congress trades last 90 days
No trades in SGML were disclosed by members of Congress in the last 90 days.
From congressional disclosures, which report amounts as ranges.
Congress disclosures for SGML, plotted on the chart in Gekko.Open SGML in Gekko
Sigma Lithium earnings: next date and track record
Sigma Lithium reports on Nov 13, 2026 (32 days away), and beat the EPS estimate in 1 of its last 8 reports.
Next earnings report
Nov 13, 2026
32 days away
- EPS estimate
- $0.04
- Revenue estimate
- $40.09M
1 of 8reports beat the EPS estimate
±11.7%average move across the report
7 of 8reports followed by a gain
Share-price move across each report
Last earnings call, Aug 14, 2026 AI summary
- What they said
- Sigma Lithium reported Q2 2026 net revenues of $55M (highest in company history), with H1 2026 revenues of $97M. The company achieved a record 47% EBITDA margin and 60% gross margin, producing 35,400 tons of lithium oxide concentrate, up 52% QoQ. Cash from operations totaled $27M in H1. The company repaid 43% of total debt over two years, reaching historically low debt levels. Realized SC5 lithium price was $2,089/ton with all-in cash costs of $668/ton.
- Guidance
- Sigma plans to nearly double production capacity by end-2027 without building a second plant. Two additional plants will bring total capacity to 830,000 tons by end-2028, representing 2.5x current capacity. Management cited favorable lithium markets as justification for the expansion strategy.
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Aug 14, 2026 | −$0.02 est $0.23 | $54.70M est $68.34M | +0.9% |
| Mar 30, 2026 | −$0.22 est −$0.01 | $16.90M est $22.61M | +18.0% |
| Nov 14, 2025 | −$0.10 est −$0.07 | $28.55M est $49.16M | +35.9% |
| Aug 14, 2025 | −$0.17 est −$0.04 | $12.40M est $50.44M | +9.2% |
| May 15, 2025 | $0.04 est $0.01 | $47.67M est $47.98M | −11.4% |
| Nov 15, 2024 | −$0.23 est $0.09 | $42.54M est $51.64M | +2.7% |
| Aug 16, 2024 | −$0.13 est $0.13 | $45.92M est $64.55M | +6.5% |
| May 16, 2024 | −$0.06 est $0.01 | $37.20M est $51.56M | +8.9% |
“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.
Sigma Lithium stock forecast and analyst price targets
Analysts’ average 12-month price target for Sigma Lithium is $11.33, +28.6% from the last close.
$11.33consensus 12-month target, +28.6% from the last close
+6.3%average 20-day move after past Accumulation readings
−2.1%average move over the next 20 trading days in the last 5 years
±7.3%typical daily move, from the 14-day average range
Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.
Sigma Lithium seasonality: the next 20 trading days
Over the next 20 trading days from Oct 10, Sigma Lithium averaged −2.1% across the last 5 years, rising in 2 of them.
Next 20 trading days, by year
Average move and hit rate
| Window | Average | Years higher |
|---|---|---|
| Next 5 trading days | +3.0% | 3 of 5 |
| Next 10 trading days | +2.6% | 2 of 5 |
| Next 15 trading days | +2.1% | 3 of 5 |
| Next 20 trading days | −2.1% | 2 of 5 |
| Next 30 trading days | +14.7% | 5 of 5 |
For scale, SGML’s typical 20-trading-day move in either direction is about 12.1%.
Sigma Lithium market cap and key statistics
Sigma Lithium’s market cap is $981.5M and revenue of $142.5M over the last twelve months.
Valuation
- Market cap
- $981.5M
- Forward P/E
- 5.1
- EPS, TTM
- −$0.24
- Gekko Fair Value
- $8.62
Trading
- Volume
- 1.72M
- Avg volume, 20 days
- 2.54M
- 52-week high
- $24.48
- 52-week low
- $4.62
- Shares outstanding
- 112.6M
Financials
- Revenue, TTM
- $142.5M
- Profit margin
- -19.3%
- Return on equity
- -31.6%
- Quarterly earnings growth, YoY
- +135.2%
Risk and income
- Beta
- 0.68
- Typical daily move
- ±7.3%
- Typical 20-day move
- ±12.1%
Sigma Lithium stock news this week
Coverage of Sigma Lithium this week reads positive: 9 positive, 2 neutral and 2 negative headlines.
- Working capital per share of Sigma Lithium Corporation Shs Chess Depository Interests Resr 1 shs – ASX:SAUTradingView, Oct 12
- Sigma Lithium Corporation (NASDAQ:SGML) Stock Has Consensus Price Target of $14.30MarketBeat, Oct 10
- Sigma Lithium Corporation (SGML) Stock Dips While Market Gains: Key FactsZacks Investment Research, Oct 9
- Implied Volatility Surging for Sigma Lithium Stock OptionsTradingView, Oct 9
- Sigma Lithium resumes Brazil operations after appeals court upholds environmental licencesProactive financial news, Oct 7
- Sigma Lithium Restarts Brazil Operations After Appeals Court Reinstates PermitsBigGo Finance, Oct 7
Sigma Lithium peers
Sigma Lithium’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 |
|---|---|---|
| SCCOSouthern Copper | Neutral | 36.1% above |
| FCXFreeport-McMoRan | Neutral | 9.1% above |
| CCJCameco | Accumulation | 3.4% below |
| TECKTeck Resources | Neutral | 8.8% above |
| ATIATI | Accumulation | 4.6% below |
| CRSCarpenter Technology | Accumulation | 15.4% below |
A peer links to its own page where one exists.
Sigma Lithium stock FAQ
What is Sigma Lithium’s market cap?
Sigma Lithium’s market cap is $981.5M at the Oct 12, 2026 close of $8.81, with 112.6M shares outstanding.
What is the Sigma Lithium stock forecast?
The consensus analyst 12-month price target for Sigma Lithium is $11.33, +28.6% from the last close. Gekko doesn’t publish price predictions of its own.
Is Sigma Lithium stock overvalued or undervalued?
On Gekko’s estimate Sigma Lithium is about fair value: the Oct 12, 2026 close of $8.81 is 2.2% above Gekko Fair Value of $8.62. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
When does Sigma Lithium report earnings next?
Sigma Lithium is expected to report on Nov 13, 2026 (32 days away). Analysts expect earnings of $0.04 per share on revenue of $40.09M. Sigma Lithium beat the earnings estimate in 1 of its last 8 reports, moving 11.7% on average across the report.
What is Sigma Lithium’s 52-week high and low?
Sigma Lithium’s 52-week high is $24.48 and its 52-week low is $4.62; it closed at $8.81 on Oct 12, 2026, +18.6% over the past year. Over the last five years the shares peaked at $43.18 on Jun 13, 2023.
Is Sigma Lithium stock a buy right now?
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 2 of the 5 items with data read as supportive (gekkoindex and earnings risk), 1 as mixed (fair value) and 2 as headwinds (trend and seasonality). The checklist is a description of current data, not a recommendation.
How this page works
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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