Phillips 66 (PSX) Options Chain

NYSE: PSXEnergyIntegrated oil CompaniesUSD

278.18-3.42 (-1.21%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $278.18
Put/call ratio (OI): 0.74
Put/call ratio (volume): 0.33
ATM implied volatility: 43.1%
Expected move: ±$51.76
Open interest (C / P): 7.79K / 5.79K

PSX options summary

The PSX options chain for the December 18, 2026 expiration lists 43 call and 39 put contracts, with 68 days until expiration. Open interest stands at 7,786 calls and 5,787 puts, a put/call ratio of 0.74, which is fairly balanced between calls and puts. At-the-money implied volatility near the $280.00 strike is 43.1%, which implies the market expects a move of about ±$51.76 (18.6%) in Phillips 66 stock by expiration.

The most open interest sits at the $280.00 call (1.25K contracts) and the $220.00 put (1.05K contracts).

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

PSX options chain · December 18, 2026

PSX 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	1	—	140.49	175.40	179.60	65.00	0.00	0.85	0.37	152.4%	1	31
—	—	—	—	—	—	70.00	0.00	0.00	0.11	50.0%	2	0
0	1	—	88.85	0.00	0.00	75.00	0.05	1.70	1.51	153.9%	8	4
—	—	—	—	—	—	80.00	0.00	0.00	0.05	50.0%	1	0
7	—	161.2%	170.30	191.10	195.10	85.00	0.00	3.20	1.60	155.6%	3	10
—	—	—	—	—	—	90.00	0.00	0.95	1.12	121.5%	8	16
0	65	—	144.45	0.00	0.00	95.00	0.00	2.20	0.22	132.6%	10	32
0	45	—	139.45	0.00	0.00	100.00	0.00	1.25	0.25	115.4%	2	22
2	—	73.4%	159.70	171.20	175.20	105.00	0.00	2.15	0.10	120.6%	1	11
0	1	—	128.21	0.00	0.00	110.00	0.00	2.20	1.26	115.8%	10	12
2	1	80.7%	138.10	161.40	165.20	115.00	0.00	0.45	1.10	87.2%	1	12
1	—	64.1%	139.90	156.80	159.60	120.00	0.00	2.25	0.62	106.3%	2	28
0	1	60.9%	154.30	151.80	154.60	125.00	0.00	2.25	0.99	101.6%	1	664
0	1	—	62.40	0.00	0.00	130.00	0.00	2.15	0.05	96.4%	1	21
32	7	75.9%	121.00	141.70	145.30	135.00	0.00	2.15	0.10	92.1%	10	860
75	1	63.8%	142.98	136.90	139.70	140.00	0.00	0.00	0.50	25.0%	2	0
140	2	71.8%	128.90	131.80	135.40	145.00	0.00	2.15	0.38	84.0%	1	50
37	1	64.2%	109.50	126.50	130.40	150.00	0.00	2.20	0.27	80.5%	1	47
112	3	69.3%	100.80	121.90	125.70	155.00	0.00	2.20	0.69	76.7%	2	49
113	14	59.5%	96.00	116.50	120.50	160.00	0.00	2.25	0.96	73.4%	1	42
221	762	58.9%	94.45	112.00	115.20	165.00	0.00	2.20	0.50	69.6%	10	20
159	2	52.3%	117.00	107.10	109.80	170.00	0.00	2.35	0.65	67.0%	2	56
145	1	53.0%	67.75	102.20	105.00	175.00	0.00	2.40	0.70	63.9%	15	27
214	1	51.1%	67.90	97.30	100.00	180.00	0.00	1.65	0.50	56.4%	24	131
30	1	62.7%	94.70	92.40	95.00	185.00	0.00	2.60	1.70	58.3%	4	41
248	10	60.1%	89.40	87.50	90.10	190.00	0.05	2.75	0.87	56.0%	6	179
46	5	54.5%	60.60	82.30	84.80	195.00	0.25	1.40	0.66	52.8%	2	14
167	2	54.1%	68.32	77.90	80.20	200.00	0.40	1.35	1.45	49.3%	4	197
137	1	52.7%	74.92	68.50	71.10	210.00	1.15	2.25	2.32	49.1%	1	366
899	10	50.0%	62.70	59.50	62.00	220.00	2.35	2.70	2.79	45.0%	8	1,049
1,104	1	46.7%	42.98	50.80	53.00	230.00	3.10	4.50	3.40	45.6%	1	313
253	4	45.5%	46.27	42.70	44.90	240.00	5.30	5.90	5.36	43.0%	21	552
281	6	44.6%	41.12	35.30	37.50	250.00	7.80	8.70	8.20	43.0%	98	151
285	3	43.6%	35.00	29.30	30.70	260.00	11.20	12.10	11.10	42.7%	3	339
441	15	43.9%	26.50	23.60	25.20	270.00	15.40	16.30	16.00	42.4%	3	286
PSX $278.18
1,252	26	43.2%	23.42	18.90	20.00	280.00	20.30	21.70	20.90	43.0%	82	138
844	109	44.1%	19.38	14.40	16.30	290.00	26.10	27.20	25.40	42.2%	40	10
281	11	42.7%	14.40	11.40	12.20	300.00	—	—	—	—	—	—
57	55	43.3%	12.30	8.80	9.70	310.00	—	—	—	—	—	—
54	6	43.5%	9.50	6.50	7.50	320.00	47.10	49.90	69.50	45.0%	1	1
52	1	43.2%	7.00	4.90	5.60	330.00	—	—	—	—	—	—
12	4	43.5%	5.20	3.80	4.30	340.00	64.50	67.00	87.00	46.3%	—	6
32	1	47.8%	3.10	2.45	4.40	350.00	—	—	—	—	—	—
8	1	49.4%	2.60	1.75	3.80	360.00	—	—	—	—	—	—
36	—	51.0%	2.10	0.75	2.60	380.00	—	—	—	—	—	—
7	1	49.1%	1.40	0.65	1.70	390.00	—	—	—	—	—	—

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 PSX put/call ratio?

For the December 18, 2026 expiration, the PSX put/call ratio based on open interest is 0.74 (5,787 puts vs 7,786 calls), and 0.33 based on today's volume. A ratio above 1 means more puts than calls.

What is PSX's implied volatility?

At-the-money implied volatility for PSX options expiring December 18, 2026 is about 43.1%, an annualized estimate of how much the market expects Phillips 66 stock to move.

How many PSX option expiration dates are there?

PSX has 17 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.