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: Jan 21, 2028
Days to expiration: 468
Share price: $9.35
Put/call ratio (OI): 0.56
Put/call ratio (volume): 1.09
ATM implied volatility: 88.7%
Expected move: ±$9.39
Open interest (C / P): 4.22K / 2.36K

SGML options summary

The SGML options chain for the January 21, 2028 expiration lists 15 call and 11 put contracts, with 468 days until expiration. Open interest stands at 4,217 calls and 2,364 puts, a put/call ratio of 0.56, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $10.00 strike is 88.7%, which implies the market expects a move of about ±$9.39 (100.4%) in Sigma Lithium stock by expiration.

The most open interest sits at the $15.00 call (1.52K contracts) and the $3.00 put (713 contracts).

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

SGML options chain · January 21, 2028

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
93	2	—	7.00	6.00	10.60	1.00	—	—	—	—	—	—
132	2	—	9.90	15.60	20.50	2.00	0.05	1.50	0.55	171.1%	—	1
16	1	—	8.70	8.10	11.00	3.00	0.05	0.45	0.39	82.4%	11	713
37	1	270.1%	9.71	6.60	10.60	4.00	0.00	0.00	0.63	25.0%	2	0
441	1	84.5%	5.50	3.90	6.70	5.00	0.55	1.45	1.15	86.7%	40	385
196	1	92.3%	5.20	3.30	5.80	7.00	1.55	2.05	1.85	79.4%	1	176
SGML $9.35
891	5	97.8%	3.80	2.70	4.80	10.00	3.30	4.10	3.80	79.6%	7	432
1,519	8	91.8%	2.45	1.95	2.95	15.00	7.00	7.90	8.24	76.5%	1	573
45	1	93.0%	2.25	0.80	3.60	17.00	6.60	10.40	8.88	59.7%	28	34
238	1	87.8%	1.36	0.85	2.40	20.00	8.00	12.70	11.40	98.2%	10	32
159	5	112.4%	1.24	0.00	4.90	22.00	10.20	15.00	10.00	110.1%	1	2
0	50	25.0%	2.17	0.00	0.00	25.00	13.20	17.30	14.00	99.4%	—	16
135	10	91.3%	1.81	0.00	2.40	27.00	—	—	—	—	—	—
155	4	93.8%	0.55	0.00	2.25	30.00	—	—	—	—	—	—
160	1	89.4%	0.60	0.30	1.45	32.00	—	—	—	—	—	—

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 January 21, 2028 expiration, the SGML put/call ratio based on open interest is 0.56 (2,364 puts vs 4,217 calls), and 1.09 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 January 21, 2028 is about 88.7%, 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.