Transocean (Switzerland) (RIG) Options Chain

NYSE: RIGEnergyOil & Gas ProductionUSD

5.51-0.03 (-0.54%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 69
Share price: $5.51
Put/call ratio (OI): 0.48
Put/call ratio (volume): 1.20
ATM implied volatility: 49.3%
Expected move: ±$1.18
Open interest (C / P): 148.06K / 70.91K

RIG options summary

The RIG options chain for the December 18, 2026 expiration lists 19 call and 18 put contracts, with 69 days until expiration. Open interest stands at 148,055 calls and 70,914 puts, a put/call ratio of 0.48, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $5.50 strike is 49.3%, which implies the market expects a move of about ±$1.18 (21.4%) in Transocean (Switzerland) stock by expiration.

The most open interest sits at the $10.00 call (43.94K contracts) and the $5.50 put (22.57K contracts).

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

RIG options chain · December 18, 2026

RIG 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
48	2	525.0%	4.97	4.75	5.20	0.50	—	—	—	—	—	—
23	2	193.8%	4.47	4.30	4.75	1.00	0.00	0.04	0.02	203.1%	15	160
36	5	150.0%	4.09	3.80	4.25	1.50	0.00	0.09	0.05	181.3%	2	6
548	1	118.8%	3.30	3.30	3.75	2.00	0.00	0.00	0.04	50.0%	15	0
296	2	103.1%	3.05	2.82	3.25	2.50	0.00	0.09	0.05	115.6%	1	270
9,598	10	68.8%	2.43	2.34	2.70	3.00	0.00	0.06	0.01	84.4%	1	4,259
1,800	1	85.2%	1.93	1.96	2.23	3.50	0.00	0.06	0.03	65.6%	31	5,877
2,464	2	70.7%	1.62	1.48	1.76	4.00	0.00	0.07	0.04	51.2%	10	4,745
1,027	3	65.8%	1.21	1.11	1.31	4.50	0.08	0.13	0.10	50.4%	7	1,160
22,273	13	55.5%	0.83	0.75	0.85	5.00	0.13	0.23	0.21	48.2%	58	16,266
3,208	25	52.0%	0.55	0.46	0.54	5.50	0.33	0.44	0.42	46.7%	14	22,565
RIG $5.51
4,294	195	52.1%	0.30	0.26	0.31	6.00	0.61	0.79	0.69	51.0%	1	6,373
38,009	57	53.9%	0.12	0.09	0.14	7.00	1.38	1.63	1.79	57.6%	1	9,174
6,737	1	61.3%	0.05	0.01	0.12	8.00	2.41	2.57	2.30	64.8%	2	59
2,156	8	65.6%	0.03	0.01	0.06	9.00	3.30	3.75	3.25	65.6%	—	0
43,943	217	74.2%	0.03	0.01	0.05	10.00	0.00	0.00	3.00	—	142	0
0	1	50.0%	0.03	0.00	0.00	11.00	5.30	5.75	5.25	85.9%	—	0
11,011	2	91.4%	0.04	0.00	0.06	12.00	6.45	6.80	6.20	122.7%	376	0
584	20	98.4%	0.07	0.00	0.06	13.00	7.30	7.75	7.32	101.6%	2	0

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 RIG put/call ratio?

For the December 18, 2026 expiration, the RIG put/call ratio based on open interest is 0.48 (70,914 puts vs 148,055 calls), and 1.20 based on today's volume. A ratio above 1 means more puts than calls.

What is RIG's implied volatility?

At-the-money implied volatility for RIG options expiring December 18, 2026 is about 49.3%, an annualized estimate of how much the market expects Transocean (Switzerland) stock to move.

How many RIG option expiration dates are there?

RIG has 15 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.