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: Oct 30, 2026
Days to expiration: 19
Share price: $85.33
Put/call ratio (OI): 0.42
Put/call ratio (volume): 0.43
ATM implied volatility: 44.3%
Expected move: ±$8.63
Open interest (C / P): 3.66K / 1.56K

BIDU options summary

The BIDU options chain for the October 30, 2026 expiration lists 30 call and 31 put contracts, with 19 days until expiration. Open interest stands at 3,662 calls and 1,556 puts, a put/call ratio of 0.42, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $85.00 strike is 44.3%, which implies the market expects a move of about ±$8.63 (10.1%) in Baidu stock by expiration.

The most open interest sits at the $90.00 call (1.38K contracts) and the $83.00 put (392 contracts).

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

BIDU options chain · October 30, 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
—	—	—	—	—	—	55.00	0.00	1.55	0.33	133.8%	—	2
1	—	86.8%	25.85	23.50	27.65	60.00	0.00	1.49	0.59	110.9%	—	1
—	—	—	—	—	—	65.00	0.00	1.52	0.10	91.2%	—	1
—	—	—	—	—	—	70.00	0.00	0.49	0.10	54.0%	2	37
—	—	—	—	—	—	75.00	0.05	0.35	0.19	42.0%	21	92
—	—	—	—	—	—	77.00	0.00	0.51	0.55	39.7%	5	8
—	—	—	—	—	—	78.00	0.18	0.93	0.54	44.8%	1	56
—	—	—	—	—	—	79.00	0.61	0.72	0.72	36.9%	19	35
11	3	59.7%	7.60	5.15	7.75	80.00	0.79	1.06	0.98	38.9%	169	374
6	3	53.9%	4.32	4.40	6.70	81.00	0.37	1.77	1.07	45.4%	7	32
7	10	60.2%	5.30	3.65	6.55	82.00	1.26	1.62	1.57	38.4%	49	76
3	27	40.8%	4.90	3.85	4.50	83.00	1.75	1.87	1.80	36.7%	387	392
5	5	46.8%	4.20	3.10	4.40	84.00	1.97	2.65	2.23	41.4%	10	86
44	9	51.4%	3.35	2.97	4.25	85.00	2.46	2.80	2.70	37.3%	48	147
BIDU $85.33
97	43	42.8%	2.69	2.72	3.10	86.00	3.00	3.40	3.29	38.2%	25	54
47	1	53.9%	2.60	2.28	3.55	87.00	3.50	5.15	3.90	53.0%	1	4
342	32	42.0%	2.06	1.93	2.23	88.00	4.20	4.70	4.88	39.4%	1	23
59	511	52.0%	1.68	1.62	2.65	89.00	5.00	6.45	5.90	53.8%	1	24
1,380	518	44.5%	1.45	1.09	1.77	90.00	4.55	7.00	5.85	52.1%	12	44
644	340	44.5%	0.94	1.12	1.50	91.00	6.50	7.95	6.86	55.5%	1	12
49	204	42.6%	0.97	0.75	1.15	92.00	6.20	8.75	6.39	56.6%	2	2
136	34	44.8%	0.81	0.78	1.08	93.00	7.00	9.15	7.10	51.3%	2	2
9	1	42.7%	0.79	0.56	0.79	94.00	8.90	9.40	8.17	41.5%	1	0
67	5	49.2%	0.58	0.44	0.98	95.00	8.75	11.35	11.99	61.0%	1	11
17	3	43.4%	0.50	0.42	0.56	96.00	10.15	12.25	11.21	62.6%	2	12
14	2	53.0%	0.78	0.00	0.88	97.00	11.00	12.85	13.90	58.7%	4	6
21	20	46.2%	0.34	0.13	0.47	98.00	11.90	14.15	12.47	66.9%	—	2
8	20	57.3%	0.29	0.10	0.83	99.00	13.10	15.10	11.39	69.0%	—	1
339	5	53.7%	0.25	0.15	0.57	100.00	14.05	16.05	16.30	70.8%	1	20
3	2	50.8%	0.23	0.14	0.39	101.00	—	—	—	—	—	—
10	1	68.7%	0.80	0.00	2.01	102.00	—	—	—	—	—	—
22	3	64.0%	0.60	0.00	1.40	103.00	—	—	—	—	—	—
33	1	71.1%	0.25	0.00	1.80	104.00	—	—	—	—	—	—
15	1	75.8%	0.12	0.00	2.00	105.00	18.60	21.80	16.10	63.8%	—	0
56	6	76.4%	0.07	0.00	1.21	110.00	—	—	—	—	—	—
22	2	90.3%	0.20	0.00	1.49	115.00	28.30	31.75	25.50	76.7%	3	0
195	—	106.1%	0.20	0.00	0.96	130.00	—	—	—	—	—	—

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 October 30, 2026 expiration, the BIDU put/call ratio based on open interest is 0.42 (1,556 puts vs 3,662 calls), and 0.43 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 October 30, 2026 is about 44.3%, 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.