Sigma Lithium (SGML) Options Chain

NASDAQ: SGMLBasic MaterialsMetal MiningUSD

9.35-0.21 (-2.20%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $9.35
Put/call ratio (OI): 0.27
Put/call ratio (volume): 0.43
ATM implied volatility: 85.1%
Expected move: ±$2.63
Open interest (C / P): 6.29K / 1.71K

SGML options summary

The SGML options chain for the November 20, 2026 expiration lists 10 call and 10 put contracts, with 40 days until expiration. Open interest stands at 6,291 calls and 1,707 puts, a put/call ratio of 0.27, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $9.00 strike is 85.1%, which implies the market expects a move of about ±$2.63 (28.2%) in Sigma Lithium stock by expiration.

The most open interest sits at the $12.00 call (4.59K contracts) and the $10.00 put (465 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

SGML options chain · November 20, 2026

SGML calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
—	—	—	—	—	—	6.00	0.00	0.35	0.10	114.8%	10	263
—	—	—	—	—	—	7.00	0.05	0.35	0.20	87.3%	64	188
100	100	79.9%	2.10	1.50	2.00	8.00	0.25	0.70	0.50	87.5%	15	259
24	1	87.2%	1.30	0.95	1.55	9.00	0.65	1.05	0.70	83.0%	41	220
SGML $9.35
377	54	86.9%	0.90	0.70	0.95	10.00	1.20	1.45	1.40	74.8%	1	465
1,004	66	86.5%	0.54	0.35	0.70	11.00	1.85	2.30	2.10	77.5%	2	255
4,593	33	83.4%	0.40	0.10	0.50	12.00	2.65	3.30	2.80	86.1%	1	6
104	4	86.1%	0.30	0.05	0.35	13.00	3.40	4.10	3.80	71.1%	8	14
42	1	102.0%	0.26	0.05	0.40	14.00	4.30	5.20	4.70	82.4%	1	8
18	64	97.3%	0.13	0.05	0.20	15.00	5.20	6.20	5.65	80.5%	5	29
23	23	101.6%	0.22	0.00	0.20	16.00	—	—	—	—	—	—
6	2	124.2%	0.20	0.00	0.35	17.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the SGML put/call ratio?

For the November 20, 2026 expiration, the SGML put/call ratio based on open interest is 0.27 (1,707 puts vs 6,291 calls), and 0.43 based on today's volume. A ratio above 1 means more puts than calls.

What is SGML's implied volatility?

At-the-money implied volatility for SGML options expiring November 20, 2026 is about 85.1%, an annualized estimate of how much the market expects Sigma Lithium stock to move.

How many SGML option expiration dates are there?

SGML has 6 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.