Baidu (BIDU) Options Chain

NASDAQ: BIDUTechnologyComputer Software: Programming Data ProcessingUSD

85.33+1.41 (+1.68%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $85.33
Put/call ratio (OI): 0.50
Put/call ratio (volume): 1.66
ATM implied volatility: 44.0%
Expected move: ±$16.22
Open interest (C / P): 55.58K / 27.75K

BIDU options summary

The BIDU options chain for the December 18, 2026 expiration lists 37 call and 30 put contracts, with 68 days until expiration. Open interest stands at 55,583 calls and 27,749 puts, a put/call ratio of 0.50, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $85.00 strike is 44.0%, which implies the market expects a move of about ±$16.22 (19.0%) in Baidu stock by expiration.

The most open interest sits at the $150.00 call (8.85K contracts) and the $95.00 put (4.94K contracts).

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

BIDU options chain · December 18, 2026

BIDU 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
193	2	97.5%	54.90	43.65	47.70	40.00	0.00	0.05	0.14	67.6%	1	34
165	1	74.3%	42.41	38.85	42.15	45.00	0.00	0.00	0.39	25.0%	1	0
0	72	—	89.00	0.00	0.00	50.00	0.03	0.33	0.08	64.0%	2	203
0	12	—	39.35	0.00	0.00	55.00	0.00	0.32	0.21	52.8%	1	77
26	1	62.1%	36.00	25.15	27.20	60.00	0.01	0.28	0.19	48.3%	1	706
76	2	53.4%	33.75	20.15	22.50	65.00	0.38	0.52	0.44	44.9%	20	475
216	1	67.6%	19.21	15.15	18.65	70.00	0.87	1.02	0.94	42.6%	31	757
255	4	48.3%	13.00	12.25	13.05	75.00	1.74	2.22	1.87	43.8%	22	4,147
224	3	46.8%	9.54	9.20	9.65	80.00	2.75	4.50	3.45	48.1%	33	2,816
998	1,097	46.0%	6.79	6.45	6.90	85.00	5.55	6.00	5.75	42.1%	1,081	2,262
BIDU $85.33
1,540	24	45.7%	4.61	4.50	4.80	90.00	8.40	8.80	8.65	41.0%	38	1,090
1,644	18	47.4%	3.10	2.84	3.50	95.00	11.90	12.35	12.25	41.2%	2	4,944
8,110	45	46.0%	2.10	2.01	2.20	100.00	15.90	16.30	16.25	40.9%	9	4,645
1,568	10	48.0%	1.37	1.30	1.63	105.00	20.25	20.70	20.68	41.5%	10	1,748
2,891	106	47.7%	0.97	0.87	1.04	110.00	24.70	25.35	24.95	42.6%	1	1,364
2,679	1	52.6%	0.67	0.38	0.99	115.00	28.00	31.95	29.10	67.5%	2	922
4,977	4	50.0%	0.48	0.46	0.53	120.00	33.95	35.30	34.20	52.0%	105	1,136
922	39	50.0%	0.37	0.29	0.40	125.00	37.80	41.65	42.55	75.5%	926	388
1,987	47	52.1%	0.29	0.24	0.32	130.00	43.35	46.70	45.04	54.4%	345	12
1,136	2	53.8%	0.28	0.00	0.45	135.00	48.35	51.70	43.20	58.2%	1	0
793	1	56.1%	0.28	0.00	0.40	140.00	53.35	56.70	54.00	61.8%	4	1
711	3	58.7%	0.20	0.00	0.37	145.00	58.30	60.95	55.10	84.2%	2	0
8,853	2	61.7%	0.16	0.01	0.36	150.00	63.30	65.95	62.85	87.9%	3	0
351	2	61.2%	0.11	0.01	0.24	155.00	68.35	71.70	69.05	71.6%	12	0
4,547	1	64.3%	0.13	0.01	0.25	160.00	0.00	0.00	38.15	—	12	0
724	1	72.8%	0.24	0.00	0.48	165.00	0.00	0.00	59.06	—	1	0
2,185	1	69.0%	0.05	0.05	0.20	170.00	51.20	52.85	31.15	—	6	18
107	2	67.6%	0.08	0.01	0.15	175.00	88.35	91.70	87.35	82.9%	32	0
3,979	110	74.1%	0.12	0.06	0.20	180.00	93.35	95.95	91.91	107.5%	3	0
136	12	82.3%	0.11	0.00	0.46	185.00	—	—	—	—	—	—
113	1	89.0%	0.06	0.01	0.64	190.00	—	—	—	—	—	—
72	1	95.6%	0.12	0.03	0.85	195.00	—	—	—	—	—	—
627	1	88.5%	0.10	0.00	0.44	200.00	80.60	84.55	68.00	—	2	4
467	1	86.5%	0.12	0.02	0.24	210.00	—	—	—	—	—	—
47	3	78.5%	0.08	0.01	0.06	220.00	—	—	—	—	—	—
109	1	92.4%	0.02	0.00	0.23	230.00	—	—	—	—	—	—
2,155	2	103.5%	0.03	0.01	0.43	240.00	—	—	—	—	—	—

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 BIDU put/call ratio?

For the December 18, 2026 expiration, the BIDU put/call ratio based on open interest is 0.50 (27,749 puts vs 55,583 calls), and 1.66 based on today's volume. A ratio above 1 means more puts than calls.

What is BIDU's implied volatility?

At-the-money implied volatility for BIDU options expiring December 18, 2026 is about 44.0%, an annualized estimate of how much the market expects Baidu stock to move.

How many BIDU option expiration dates are there?

BIDU has 13 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.