Rio Tinto Plc (RIO) Options Chain

NYSE: RIOBasic MaterialsOther Industrial Metals & MiningUSD

94.78+1.44 (+1.54%)

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

Expiration date

Expiration: Jan 15, 2027
Days to expiration: 96
Share price: $94.78
Put/call ratio (OI): 0.53
Put/call ratio (volume): 0.04
ATM implied volatility: 30.5%
Expected move: ±$14.83
Open interest (C / P): 25.83K / 13.60K

RIO options summary

The RIO options chain for the January 15, 2027 expiration lists 41 call and 35 put contracts, with 96 days until expiration. Open interest stands at 25,826 calls and 13,600 puts, a put/call ratio of 0.53, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $95.00 strike is 30.5%, which implies the market expects a move of about ±$14.83 (15.6%) in Rio Tinto Plc stock by expiration.

The most open interest sits at the $115.00 call (4.76K contracts) and the $100.00 put (1.59K contracts).

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

RIO options chain · January 15, 2027

RIO 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
0	18	—	63.20	0.00	0.00	30.00	0.00	0.20	0.18	97.7%	160	574
0	18	—	60.70	0.00	0.00	32.50	0.00	0.80	0.06	112.7%	1	342
0	2	—	63.10	0.00	0.00	35.00	0.00	0.20	0.22	85.2%	1	83
—	—	—	—	—	—	37.50	0.30	0.80	0.55	104.8%	1	48
0	2	—	58.10	0.00	0.00	40.00	0.00	0.40	0.10	82.3%	2	117
0	6,400	—	50.54	0.00	0.00	42.50	0.00	0.20	0.13	69.7%	1	23
0	25	—	53.10	0.00	0.00	45.00	0.00	0.20	0.15	65.0%	19	208
1	1	78.1%	57.34	45.70	49.80	47.50	0.00	0.20	0.20	60.7%	18	524
23	1	86.4%	56.00	44.30	47.30	50.00	0.00	0.15	0.10	54.5%	1	347
0	80	—	44.80	0.00	0.00	52.50	0.00	0.25	0.04	54.4%	2	390
18	5	77.3%	49.25	39.40	42.40	55.00	0.00	0.00	0.30	25.0%	20	0
0	6	—	40.80	0.00	0.00	57.50	0.10	0.55	0.75	55.0%	3	117
198	1	59.1%	34.65	33.40	37.50	60.00	0.05	0.35	0.19	51.7%	1	323
0	1,320	—	36.30	0.00	0.00	62.50	0.20	0.35	0.25	47.7%	1	460
186	3	53.9%	28.97	29.90	31.40	65.00	0.10	0.40	0.40	45.1%	17	228
179	5	50.3%	36.80	27.40	29.00	67.50	0.15	0.50	0.50	43.4%	1	128
965	1	53.3%	24.00	25.00	26.30	70.00	0.30	0.55	0.35	40.4%	3	992
258	2	52.7%	22.30	22.70	24.20	72.50	0.40	0.65	0.50	38.2%	12	157
727	1	50.7%	21.65	20.40	22.00	75.00	0.50	0.80	0.70	36.4%	24	758
253	1	43.4%	17.85	18.20	19.20	77.50	0.70	1.00	1.02	34.7%	1	70
1,821	1	41.9%	15.90	16.10	17.10	80.00	1.00	1.25	1.10	33.1%	1	847
181	3	39.3%	13.50	14.00	14.90	82.50	1.30	1.60	1.90	31.8%	28	291
1,079	1	38.3%	12.00	12.10	13.00	85.00	1.80	2.10	2.15	30.9%	20	1,538
181	2	36.0%	10.73	10.30	11.00	87.50	2.45	2.75	2.65	30.3%	1	491
987	2	35.0%	9.00	8.70	9.30	90.00	3.20	3.50	3.40	29.3%	1	881
91	2	33.8%	6.70	7.20	7.70	92.50	4.10	4.40	4.76	28.4%	1	122
RIO $94.78
752	12	32.9%	5.98	5.90	6.30	95.00	5.20	5.60	5.70	28.2%	2	730
791	1	32.2%	4.80	4.70	5.10	97.50	6.60	6.90	6.70	27.5%	4	521
1,457	50	31.9%	3.86	3.70	4.10	100.00	8.00	8.50	9.35	27.5%	3	1,586
2,687	3	31.2%	2.20	2.30	2.55	105.00	11.50	12.30	12.55	28.4%	1	263
1,869	8	31.8%	1.44	1.35	1.65	110.00	15.40	16.60	17.26	29.8%	2	387
4,758	2	32.3%	0.85	0.75	1.05	115.00	19.80	21.30	18.40	32.6%	1	52
1,438	5	33.2%	0.47	0.40	0.70	120.00	0.00	0.00	22.50	—	1	0
710	17	34.5%	0.35	0.20	0.50	125.00	23.10	24.10	26.40	—	1	1
721	414	36.5%	0.25	0.10	0.40	130.00	27.10	28.30	30.30	—	1	1
164	1	38.8%	0.20	0.05	0.35	135.00	—	—	—	—	—	—
2,883	1	40.8%	0.35	0.00	0.30	140.00	—	—	—	—	—	—
241	1	42.4%	0.27	0.00	0.25	145.00	—	—	—	—	—	—
145	4	50.8%	0.65	0.00	0.50	150.00	—	—	—	—	—	—
6	2	51.5%	0.05	0.00	0.40	155.00	—	—	—	—	—	—
6	1	52.3%	1.05	0.05	0.60	160.00	—	—	—	—	—	—
50	6	53.3%	0.25	0.00	0.55	165.00	—	—	—	—	—	—

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 RIO put/call ratio?

For the January 15, 2027 expiration, the RIO put/call ratio based on open interest is 0.53 (13,600 puts vs 25,826 calls), and 0.04 based on today's volume. A ratio above 1 means more puts than calls.

What is RIO's implied volatility?

At-the-money implied volatility for RIO options expiring January 15, 2027 is about 30.5%, an annualized estimate of how much the market expects Rio Tinto Plc stock to move.

How many RIO option expiration dates are there?

RIO has 10 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.