Ticker brief
SGML SIGMA LITHIUM CORP
Basic Materials · Mining
last close
$7.83
1 day
+4.7%
14 days
-16.3%
mkt cap
$1.4B
signals 14d
13
authors 14d
10
crowd 14d
-0.2σ
Options inteloptions-surface reads · latest available day per source
| metric | reading | context |
|---|---|---|
| IV — ATM 30d | 86% cheap · 12 pctile own 1y | IV/HV 1.15× |
| Skew — 25Δ RR 30d | -0.026 15 pctile own 1y | puts bid vs calls (downside bid) |
| Net dealer OI (NDOI) | +0.12 thin | 5-session Δ -0.76 (as of 2026-07-16) |
| OI alarm | quiet | last alarm 2026-06-11 (z=4.8) |
Sentiment — last 14 days
daily mean sentiment, 2026-10-02 → 2026-10-13 · now -0.20 (−1 bearish … +1 bullish)
Who spoke10
| author | grade | trader score | signals | mean sent |
|---|---|---|---|---|
| @SandmanMarkets | C | +0.58 | 2 | +0.35 |
| @Briefingcom | B | -2.26 | 2 | +0.25 |
| @schaeffers | C | +1.18 | 2 | -0.15 |
| @bullishchart | C | -1.21 | 1 | -0.45 |
| @OptionsFlowBoss | C | · | 1 | +0.00 |
| @Asktraders1 | C | · | 1 | +0.50 |
| @zerohedge | C | -2.79 | 1 | -0.30 |
| @OpenOutcrier | C | · | 1 | +0.50 |
| @TENETTRADEGROUP | C | -0.65 | 1 | +0.00 |
| @proactive_x | C | -1.13 | 1 | +0.50 |
Recent signals13of 13 in 14d — receipts included
| date (PT) | author | sent | what they said | since then | receipt |
|---|---|---|---|---|---|
| 2026-10-13 | @schaeffers | -0.20 | Lists stocks experiencing the largest increases in bearish bets. | -10.0% | tweet ↗ |
| 2026-10-12 | @schaeffers | -0.10 | Lists stocks with the largest recent increases in short interest. | -11.1% | tweet ↗ |
| 2026-10-08 | @SandmanMarkets | +0.45 | Watching for an OBV breakout to validate an earlier algorithmic buy signal. | -18.1% | tweet ↗ |
| 2026-10-07 | @proactive_x | +0.50 | Sigma Lithium resumed Brazilian operations after an appeals court upheld environmental licences. | -20.6% | tweet ↗ |
| 2026-10-07 | @TENETTRADEGROUP | +0.00 | Publishes a premarket movers watchlist without direction or trade instructions. | -20.6% | tweet ↗ |
| 2026-10-07 | @OpenOutcrier | +0.50 | Sigma Lithium resumed operations after a court upheld its licenses. | -20.6% | tweet ↗ |
| 2026-10-07 | @Briefingcom | +0.50 | Sigma Lithium resumed operations after a court upheld its environmental licenses. | -20.6% | tweet ↗ |
| 2026-10-07 | @zerohedge | -0.30 | Premarket roundup includes analyst upgrades, earnings beats, an acquisition and restored operations. | -20.6% | tweet ↗ |
| 2026-10-07 | @Briefingcom | +0.00 | Lists premarket gap percentages; extraction is capped at the first six tickers. | -20.6% | tweet ↗ |
| 2026-10-06 | @Asktraders1 | +0.50 | Reports an appeals court restored Sigma Lithium's environmental licences. | -19.4% | tweet ↗ |
| 2026-10-05 | @SandmanMarkets | +0.25 | Notes a buy signal but advises waiting for a descending-channel breakout due to bearish OBV. | -18.1% | tweet ↗ |
| 2026-10-05 | @OptionsFlowBoss | +0.00 | References SGML open-interest changes shown in linked media. | -18.1% | tweet ↗ |
| 2026-10-02 | @bullishchart | -0.45 | Warns a production halt pending an appellate ruling makes future guidance difficult to maintain. | -13.9% | tweet ↗ |
“Since then” = price move from the close on the signal's date (PT) to the latest close — what happened after they said it, not a backtest. A — means no trading session has closed since the signal yet. Sentiment is our extracted per-tweet score, −1…+1.