SES AI (SES) Options Chain

NYSE: SESMiscellaneousIndustrial Machinery/ComponentsUSD

0.7798-0.0025 (-0.32%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $0.7798
Put/call ratio (OI): 0.11
Put/call ratio (volume): 0.83
ATM implied volatility: 164.1%
Expected move: ±$0.4235
Open interest (C / P): 2.83K / 313

SES options summary

The SES options chain for the November 20, 2026 expiration lists 10 call and 12 put contracts, with 40 days until expiration. Open interest stands at 2,828 calls and 313 puts, a put/call ratio of 0.11, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.00 strike is 164.1%, which implies the market expects a move of about ±$0.4235 (54.3%) in SES AI stock by expiration.

The most open interest sits at the $2.50 call (1.38K contracts) and the $0.50 put (164 contracts).

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

SES options chain · November 20, 2026

SES 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
182	1	287.5%	0.25	0.15	0.40	0.50	0.00	0.05	0.08	137.5%	3	164
SES $0.7798
822	14	112.5%	0.08	0.00	0.10	1.00	0.00	0.75	0.38	215.6%	4	89
322	1	215.6%	0.01	0.00	0.15	1.50	0.55	1.00	1.00	193.8%	2	25
104	2	562.5%	0.20	0.00	0.75	2.00	0.90	1.60	1.52	200.0%	2	1
1,384	2	221.9%	0.03	0.00	0.05	2.50	1.40	2.10	1.89	231.3%	—	1
4	1	243.8%	0.03	0.00	0.05	3.00	1.90	2.60	2.10	256.3%	1	1
0	6	50.0%	0.05	0.00	0.00	3.50	2.30	3.20	3.00	275.0%	3	8
0	1	50.0%	0.33	0.00	0.00	4.00	2.80	3.70	3.50	290.6%	1	3
5	—	678.1%	0.25	0.00	0.75	4.50	3.20	4.20	4.00	793.8%	1	4
—	—	—	—	—	—	5.00	3.70	4.70	4.50	807.8%	3	10
5	1	593.8%	0.05	0.00	0.50	6.00	4.70	5.70	5.54	831.3%	3	4
—	—	—	—	—	—	7.00	5.70	6.70	6.50	848.4%	1	3

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 SES put/call ratio?

For the November 20, 2026 expiration, the SES put/call ratio based on open interest is 0.11 (313 puts vs 2,828 calls), and 0.83 based on today's volume. A ratio above 1 means more puts than calls.

What is SES's implied volatility?

At-the-money implied volatility for SES options expiring November 20, 2026 is about 164.1%, an annualized estimate of how much the market expects SES AI stock to move.

How many SES option expiration dates are there?

SES has 8 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.

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.