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: Apr 16, 2027
Days to expiration: 187
Share price: $9.35
Put/call ratio (OI): 0.33
Put/call ratio (volume): 0.33
ATM implied volatility: 82.9%
Expected move: ±$5.55
Open interest (C / P): 517 / 169

SGML options summary

The SGML options chain for the April 16, 2027 expiration lists 16 call and 12 put contracts, with 187 days until expiration. Open interest stands at 517 calls and 169 puts, a put/call ratio of 0.33, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $9.00 strike is 82.9%, which implies the market expects a move of about ±$5.55 (59.3%) in Sigma Lithium stock by expiration.

The most open interest sits at the $10.00 call (149 contracts) and the $8.00 put (75 contracts).

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

SGML options chain · April 16, 2027

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
25	—	130.3%	7.29	6.00	7.20	3.00	—	—	—	—	—	—
12	10	91.9%	5.00	4.30	5.20	5.00	0.00	0.00	0.35	25.0%	12	0
2	—	87.7%	5.10	3.60	4.40	6.00	0.30	0.80	0.45	81.3%	2	1
8	8	90.4%	3.70	3.00	3.90	7.00	0.70	1.15	1.20	81.6%	4	16
1	—	87.4%	2.30	2.45	3.30	8.00	1.10	1.65	0.95	80.9%	—	75
97	1	86.9%	2.65	2.05	2.80	9.00	1.65	2.10	1.67	78.9%	1	7
SGML $9.35
149	1	88.5%	2.59	1.75	2.45	10.00	2.20	2.85	2.50	80.0%	1	13
50	2	87.9%	1.35	1.45	2.10	11.00	2.85	3.50	3.94	78.6%	—	1
2	1	88.3%	1.58	1.20	1.85	12.00	3.60	4.20	4.30	78.0%	1	12
—	—	—	—	—	—	13.00	4.20	5.20	3.30	78.5%	—	3
13	2	86.5%	1.30	0.90	1.25	14.00	5.00	6.00	5.29	77.4%	—	36
26	1	92.8%	1.32	0.90	1.25	15.00	—	—	—	—	—	—
35	5	83.7%	1.05	0.45	1.00	16.00	—	—	—	—	—	—
3	—	91.3%	1.55	0.35	0.85	19.00	—	—	—	—	—	—
3	2	84.3%	0.45	0.10	0.70	20.00	10.30	11.40	11.31	70.9%	—	4
36	1	92.0%	0.35	0.25	0.70	21.00	11.20	12.40	9.40	69.5%	—	1
55	30	87.3%	0.25	0.15	0.45	23.00	—	—	—	—	—	—

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 April 16, 2027 expiration, the SGML put/call ratio based on open interest is 0.33 (169 puts vs 517 calls), and 0.33 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 April 16, 2027 is about 82.9%, 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.