Sigma Lithium (SGML) Options Chain

NASDAQ: SGMLBasic MaterialsMetal MiningUSD

9.56-0.30 (-3.04%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 8
Share price: $9.56
Put/call ratio (OI): 0.51
Put/call ratio (volume): 0.30
ATM implied volatility: 97.1%
Expected move: ±$1.37
Open interest (C / P): 19.38K / 9.93K

SGML options summary

The SGML options chain for the October 16, 2026 expiration lists 30 call and 26 put contracts, with 8 days until expiration. Open interest stands at 19,375 calls and 9,927 puts, a put/call ratio of 0.51, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $10.00 strike is 97.1%, which implies the market expects a move of about ±$1.37 (14.4%) in Sigma Lithium stock by expiration.

The most open interest sits at the $10.00 call (3.46K contracts) and the $9.00 put (2.06K contracts).

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

SGML options chain · October 16, 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
5	12	1257.8%	6.45	6.30	8.10	5.00	0.00	0.05	0.15	228.1%	13	120
13	19	1029.7%	5.60	5.60	6.90	6.00	0.00	0.25	0.04	243.8%	1	182
0	1	150.0%	2.75	2.15	3.10	7.00	0.00	0.20	0.18	167.2%	1	1,171
425	2	107.0%	1.80	1.40	1.90	8.00	0.00	0.25	0.06	118.8%	10	1,806
1,729	52	110.5%	1.07	0.70	1.15	9.00	0.15	0.30	0.25	82.4%	6	2,063
SGML $9.56
3,460	2	93.8%	0.30	0.25	0.45	10.00	0.65	1.00	0.60	100.4%	5	1,740
2,614	4	109.0%	0.10	0.05	0.30	11.00	1.45	1.75	1.60	105.5%	4	947
1,448	22	123.4%	0.07	0.05	0.15	12.00	2.10	2.75	2.40	179.7%	11	467
2,981	2	170.3%	0.05	0.00	0.30	13.00	3.10	3.80	3.39	96.9%	2	449
304	10	153.1%	0.05	0.00	0.10	14.00	4.10	4.90	4.55	159.4%	1	396
1,207	2	174.2%	0.05	0.00	0.10	15.00	5.30	5.90	6.85	225.0%	1	109
448	25	243.0%	0.07	0.00	0.30	16.00	6.00	7.10	7.08	226.6%	1	42
598	1	210.9%	0.05	0.00	0.10	17.00	0.00	0.00	5.80	—	1	0
280	4	291.4%	0.10	0.00	0.35	18.00	7.90	9.10	9.94	234.4%	9	64
0	2	50.0%	0.30	0.00	0.00	19.00	8.60	9.80	5.90	369.5%	36	77
2,565	1	289.1%	0.08	0.00	0.20	20.00	9.90	11.10	10.24	264.1%	3	5
61	15	268.8%	0.03	0.00	0.10	21.00	10.90	12.10	8.25	276.6%	1	0
114	96	353.1%	0.11	0.00	0.35	22.00	0.00	0.00	8.69	—	4	0
240	600	367.2%	0.06	0.00	0.35	23.00	10.10	11.50	7.50	—	—	4
54	30	379.7%	0.05	0.00	0.35	24.00	10.90	12.50	7.83	—	—	1
0	2	50.0%	0.05	0.00	0.00	25.00	11.90	13.40	9.20	—	69	54
2	1	451.9%	1.50	0.10	0.50	26.00	12.80	14.30	9.60	—	—	6
27	20	413.3%	0.07	0.00	0.35	27.00	13.60	15.30	10.90	—	134	134
5	2	445.3%	0.30	0.00	0.45	28.00	17.90	19.10	15.20	353.1%	2	3
0	265	50.0%	0.08	0.00	0.00	29.00	—	—	—	—	—	—
733	4	465.6%	0.35	0.00	0.45	30.00	16.50	18.00	12.30	—	48	79
0	1	100.0%	1.40	0.00	0.00	31.00	—	—	—	—	—	—
0	2	100.0%	1.25	0.00	0.00	32.00	—	—	—	—	—	—
36	2	481.3%	0.35	0.00	0.40	33.00	—	—	—	—	—	—
26	1	464.1%	0.06	0.00	0.30	34.00	20.00	21.90	15.40	—	—	8

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 October 16, 2026 expiration, the SGML put/call ratio based on open interest is 0.51 (9,927 puts vs 19,375 calls), and 0.30 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 October 16, 2026 is about 97.1%, 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.