Baidu (BIDU) Options Chain

NASDAQ: BIDUTechnologyComputer Software: Programming Data ProcessingUSD

85.48+1.56 (+1.85%)

Market open · Delayed 15 min · as of Oct 9, 10:55 AM ET

Expiration date

Expiration: Oct 9, 2026
Days to expiration: 0
Share price: $85.57
Put/call ratio (OI): 0.27
Put/call ratio (volume): 1.70
ATM implied volatility: 27.2%
Expected move: ±$1.22
Open interest (C / P): 16.91K / 4.49K

BIDU options summary

The BIDU options chain for the October 9, 2026 expiration lists 45 call and 32 put contracts, expiring today. Open interest stands at 16,905 calls and 4,493 puts, a put/call ratio of 0.27, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $86.00 strike is 27.2%, which implies the market expects a move of about ±$1.22 (1.4%) in Baidu stock by expiration.

The most open interest sits at the $95.00 call (1.47K contracts) and the $80.00 put (936 contracts).

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

BIDU options chain · October 9, 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
95	95	528.7%	25.40	24.10	26.50	60.00	—	—	—	—	—	—
1	1	427.7%	20.40	19.20	21.45	65.00	—	—	—	—	—	—
2	2	344.5%	20.22	14.20	16.50	70.00	0.00	1.35	0.01	313.3%	5	310
9	6	93.8%	12.46	9.65	11.50	75.00	0.00	0.10	0.02	128.1%	12	266
1	1	234.8%	8.32	8.65	10.45	76.00	—	—	—	—	—	—
1	—	217.4%	9.45	7.65	9.45	77.00	0.00	0.06	0.03	97.7%	6	36
7	3	199.8%	5.48	6.65	8.45	78.00	0.00	0.05	0.03	85.2%	13	98
40	5	182.1%	4.55	5.65	7.45	79.00	0.00	0.07	0.04	78.9%	3	20
80	3	80.1%	5.51	4.80	6.50	80.00	0.00	0.01	0.01	53.1%	104	936
83	35	68.4%	4.90	4.10	5.20	81.00	0.00	0.20	0.38	71.9%	1	87
83	2	79.7%	3.50	2.95	3.85	82.00	0.00	0.10	0.01	50.4%	16	459
217	36	90.7%	2.60	1.99	3.20	83.00	0.01	0.01	0.02	28.9%	117	409
848	508	23.4%	1.37	1.19	1.60	84.00	0.01	0.03	0.04	23.4%	29	494
612	283	9.8%	0.55	0.38	0.59	85.00	0.15	0.25	0.20	27.1%	248	597
BIDU $85.57
1,455	861	19.1%	0.09	0.10	0.17	86.00	0.68	0.87	0.75	35.3%	92	490
1,110	220	23.1%	0.03	0.01	0.04	87.00	1.46	1.85	1.69	53.9%	66	206
440	73	25.0%	0.02	0.00	0.02	87.50	1.79	2.32	2.05	60.5%	12	83
409	57	35.9%	0.05	0.00	0.05	88.00	1.59	3.25	4.88	98.0%	38	1
627	3	37.5%	0.03	0.01	0.03	88.50	2.06	3.75	3.72	107.0%	133	0
927	1	39.8%	0.03	0.00	0.02	89.00	3.25	3.90	5.15	60.7%	47	0
1,454	9	48.4%	0.01	0.00	0.02	90.00	3.90	5.00	6.05	113.3%	323	0
483	3	51.6%	0.01	0.00	0.01	91.00	4.45	6.45	7.94	57.8%	2,889	0
711	3	68.0%	0.16	0.00	0.05	92.00	5.50	7.35	7.75	169.6%	80	0
177	6	76.6%	0.03	0.00	0.05	93.00	6.50	8.35	10.30	184.0%	167	1
776	1	85.2%	0.01	0.00	0.05	94.00	7.55	9.35	10.30	82.8%	15	0
1,468	20	105.5%	0.02	0.00	0.11	95.00	8.50	10.35	7.61	211.3%	10	0
1,420	3	90.6%	0.01	0.00	0.02	96.00	9.50	11.35	5.49	224.2%	2	0
57	1	249.2%	0.12	0.00	2.13	97.00	10.50	12.80	6.25	159.2%	—	0
513	2	199.4%	0.02	0.00	0.87	98.00	11.55	13.80	12.09	173.1%	1	0
126	3	256.1%	0.02	0.00	1.73	99.00	12.75	14.05	13.40	231.4%	3	0
325	4	109.4%	0.01	0.00	0.01	100.00	13.70	14.95	14.33	230.9%	3	0
89	6	282.6%	0.20	0.00	1.81	101.00	14.50	16.10	14.65	258.6%	1	0
119	3	300.2%	0.02	0.00	1.94	102.00	—	—	—	—	—	—
9	2	282.4%	0.54	0.00	1.39	103.00	16.55	18.45	16.09	175.8%	4	0
162	1	292.2%	0.38	0.00	1.38	104.00	—	—	—	—	—	—
363	1	327.9%	0.33	0.00	1.85	105.00	18.85	20.00	19.42	287.5%	3	0
42	22	300.4%	0.31	0.00	1.19	106.00	—	—	—	—	—	—
36	3	318.6%	0.04	0.00	1.33	107.00	20.55	22.95	10.32	268.8%	1	0
100	1	325.6%	0.43	0.00	1.29	108.00	—	—	—	—	—	—
6	1	379.7%	0.43	0.00	2.07	109.00	—	—	—	—	—	—
29	18	330.9%	0.01	0.00	1.10	110.00	—	—	—	—	—	—
24	5	439.3%	1.00	0.00	2.13	115.00	—	—	—	—	—	—
1,179	295	265.6%	0.03	0.00	0.07	120.00	—	—	—	—	—	—
4	4	522.7%	0.07	0.00	2.13	125.00	—	—	—	—	—	—
186	—	540.2%	0.46	0.00	1.82	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 9, 2026 expiration, the BIDU put/call ratio based on open interest is 0.27 (4,493 puts vs 16,905 calls), and 1.70 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 9, 2026 is about 27.2%, an annualized estimate of how much the market expects Baidu stock to move.

How many BIDU option expiration dates are there?

BIDU has 14 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.