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

After hours: 278.00 -0.06%

Expiration date

Expiration: Oct 9, 2026
Days to expiration: 0
Share price: $278.18
Put/call ratio (OI): 1.19
Put/call ratio (volume): 0.47
ATM implied volatility: 40.7%
Expected move: ±$5.92
Open interest (C / P): 1.40K / 1.66K

PSX options summary

The PSX options chain for the October 9, 2026 expiration lists 29 call and 28 put contracts, expiring today. Open interest stands at 1,397 calls and 1,659 puts, a put/call ratio of 1.19, which is fairly balanced between calls and puts. At-the-money implied volatility near the $277.50 strike is 40.7%, which implies the market expects a move of about ±$5.92 (2.1%) in Phillips 66 stock by expiration.

The most open interest sits at the $275.00 call (292 contracts) and the $255.00 put (241 contracts).

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

PSX options chain · October 9, 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
—	—	—	—	—	—	150.00	0.00	0.75	0.06	559.8%	1	4
1	—	535.0%	96.10	111.00	113.90	165.00	—	—	—	—	—	—
1	1	373.4%	79.40	81.00	83.80	195.00	—	—	—	—	—	—
—	—	—	—	—	—	205.00	0.00	2.15	1.05	365.9%	1	2
—	—	—	—	—	—	210.00	0.00	2.15	2.52	342.0%	—	2
—	—	—	—	—	—	215.00	0.00	2.15	1.65	318.6%	—	100
3	3	298.1%	58.98	56.00	59.30	220.00	—	—	—	—	—	—
—	—	—	—	—	—	225.00	0.00	1.05	1.62	234.7%	8	47
4	—	252.2%	24.18	48.50	51.60	227.50	0.00	2.15	0.25	261.2%	3	5
1	1	221.7%	49.00	46.00	48.80	230.00	0.00	2.15	0.36	249.9%	1	223
—	—	—	—	—	—	232.50	0.00	2.15	0.80	238.7%	—	1
—	—	—	—	—	—	235.00	0.00	0.10	0.22	134.4%	1	97
2	—	197.1%	25.90	38.50	41.40	237.50	0.00	2.15	0.27	216.3%	6	11
8	15	186.6%	25.30	36.00	38.90	240.00	0.00	2.15	0.16	205.2%	2	98
—	—	—	—	—	—	242.50	0.00	1.05	0.30	164.4%	2	4
24	5	165.7%	29.00	31.00	33.90	245.00	0.00	2.15	0.05	182.9%	1	55
4	4	150.0%	11.30	28.50	31.30	247.50	0.00	2.15	0.20	171.8%	5	12
41	1	144.9%	16.20	26.00	28.90	250.00	0.00	0.05	0.05	82.8%	1	97
2	—	134.5%	11.00	23.50	26.40	252.50	0.00	2.15	0.05	149.5%	3	21
40	47	123.9%	28.20	21.50	23.90	255.00	0.00	2.15	0.55	138.2%	3	241
57	52	99.2%	23.19	18.50	21.10	257.50	0.00	2.15	0.05	126.9%	1	26
52	9	102.7%	18.82	16.00	18.90	260.00	0.00	0.55	0.28	81.5%	1	171
13	31	55.9%	21.32	14.00	17.50	262.50	0.00	0.05	0.05	53.1%	33	62
71	5	80.9%	12.70	11.50	13.90	265.00	0.00	2.15	0.08	92.1%	9	79
146	2	69.7%	15.90	8.90	11.40	267.50	0.00	2.15	0.03	80.0%	1	71
78	23	58.1%	7.70	6.50	8.90	270.00	0.00	2.15	0.20	67.5%	162	118
31	4	43.4%	7.55	3.90	6.30	272.50	0.00	2.15	0.82	54.4%	15	35
292	248	32.9%	2.70	1.50	3.90	275.00	0.00	1.05	0.54	39.8%	4	16
53	50	35.2%	1.60	0.00	2.40	277.50	0.00	2.35	1.17	46.1%	31	39
PSX $278.18
139	38	16.2%	0.68	0.00	0.30	280.00	1.10	3.80	0.33	48.0%	40	19
46	28	70.1%	0.55	0.00	2.30	282.50	—	—	—	—	—	—
141	113	59.6%	0.05	0.00	2.20	285.00	6.10	8.60	6.94	74.3%	4	3
14	29	32.6%	0.05	0.00	0.05	287.50	—	—	—	—	—	—
36	14	64.4%	0.25	0.00	1.00	290.00	—	—	—	—	—	—
24	2	102.7%	0.05	0.00	2.15	295.00	—	—	—	—	—	—
67	2	122.1%	0.10	0.00	2.15	300.00	—	—	—	—	—	—
6	1	140.3%	0.80	0.00	2.15	305.00	—	—	—	—	—	—

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 October 9, 2026 expiration, the PSX put/call ratio based on open interest is 1.19 (1,659 puts vs 1,397 calls), and 0.47 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 October 9, 2026 is about 40.7%, an annualized estimate of how much the market expects Phillips 66 stock to move.

How many PSX option expiration dates are there?

PSX has 18 listed expiration dates, from Oct 9, 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.