BlackRock (BLK) Options Chain

NYSE: BLKFinanceInvestment Bankers/Brokers/ServiceUSD

1,065.35-4.28 (-0.40%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Oct 9, 2026
Days to expiration: 1
Share price: $1,065.35
Put/call ratio (OI): 1.11
Put/call ratio (volume): 0.99
ATM implied volatility: 52.4%
Expected move: ±$29.21
Open interest (C / P): 606 / 673

BLK options summary

The BLK options chain for the October 9, 2026 expiration lists 42 call and 46 put contracts, with 1 day until expiration. Open interest stands at 606 calls and 673 puts, a put/call ratio of 1.11, which is fairly balanced between calls and puts. At-the-money implied volatility near the $1,065.00 strike is 52.4%, which implies the market expects a move of about ±$29.21 (2.7%) in BlackRock stock by expiration.

The most open interest sits at the $1,110.00 call (81 contracts) and the $1,040.00 put (132 contracts).

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

BLK options chain · October 9, 2026

BLK 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
—	—	—	—	—	—	900.00	0.00	7.30	2.01	221.1%	—	1
—	—	—	—	—	—	910.00	0.00	7.30	2.05	209.6%	—	2
—	—	—	—	—	—	920.00	0.00	7.30	0.10	198.2%	—	1
—	—	—	—	—	—	940.00	0.00	7.30	2.35	175.4%	—	15
—	—	—	—	—	—	950.00	0.00	7.30	0.40	164.0%	1	8
—	—	—	—	—	—	960.00	0.00	7.30	2.75	152.6%	2	11
—	—	—	—	—	—	970.00	0.00	7.30	1.42	141.2%	1	5
—	—	—	—	—	—	980.00	0.00	2.30	0.10	98.2%	5	11
—	—	—	—	—	—	985.00	0.00	7.30	0.73	123.8%	7	7
—	—	—	—	—	—	990.00	0.00	7.30	0.15	118.0%	1	6
—	—	—	—	—	—	995.00	0.00	4.90	0.25	100.3%	10	11
5	5	91.5%	80.12	63.80	71.20	1,000.00	0.00	0.55	0.40	60.4%	1	17
—	—	—	—	—	—	1,005.00	0.00	3.90	0.30	83.9%	6	22
—	—	—	—	—	—	1,010.00	0.00	4.90	0.25	83.6%	5	17
—	—	—	—	—	—	1,015.00	0.05	0.75	0.41	51.4%	5	24
—	—	—	—	—	—	1,020.00	0.00	4.90	0.10	72.3%	38	11
—	—	—	—	—	—	1,025.00	0.00	0.80	0.50	49.3%	5	81
4	1	57.3%	33.66	33.90	40.90	1,030.00	0.25	0.95	1.32	46.3%	10	37
—	—	—	—	—	—	1,035.00	0.05	1.00	0.75	41.8%	16	40
14	6	52.6%	24.90	25.30	31.50	1,040.00	0.25	1.65	0.90	42.4%	22	132
—	—	—	—	—	—	1,045.00	0.25	5.00	3.25	57.5%	2	34
—	—	—	—	—	—	1,050.00	0.95	6.70	4.16	58.7%	1	16
—	—	—	—	—	—	1,052.50	1.05	7.10	8.00	56.5%	1	1
6	2	59.6%	13.80	12.10	19.00	1,055.00	1.25	5.50	2.25	44.4%	1	7
2	1	57.3%	10.82	10.20	17.00	1,057.50	1.40	5.50	9.17	40.1%	1	3
3	2	52.0%	12.65	8.40	14.40	1,060.00	2.20	6.00	7.35	37.9%	1	8
1	1	57.7%	15.20	8.30	14.30	1,062.50	3.00	9.30	15.69	48.0%	2	2
36	1	57.2%	5.70	5.00	12.90	1,065.00	4.00	10.40	4.60	47.5%	5	9
BLK $1,065.35
15	3	55.4%	8.00	4.40	11.30	1,067.50	3.20	10.50	9.05	42.1%	11	26
29	1	52.8%	7.50	3.70	9.60	1,070.00	5.00	12.60	10.40	45.3%	1	8
7	1	49.8%	3.50	3.50	7.90	1,072.50	6.00	13.80	23.30	44.0%	—	1
16	1	50.0%	2.70	1.30	7.00	1,075.00	—	—	—	—	—	—
5	2	48.8%	2.74	0.30	5.90	1,077.50	—	—	—	—	—	—
14	4	49.1%	2.47	0.70	5.20	1,080.00	11.20	17.40	16.00	35.9%	2	13
15	63	60.2%	1.50	0.35	5.90	1,085.00	15.50	22.90	12.27	45.5%	45	25
42	32	58.2%	0.20	0.05	4.30	1,090.00	20.60	26.00	15.12	38.2%	2	23
31	25	42.9%	0.73	0.05	1.30	1,095.00	—	—	—	—	—	—
33	18	53.9%	5.00	0.05	1.95	1,100.00	30.00	36.90	20.95	56.3%	8	21
4	14	71.2%	0.05	0.00	7.00	1,105.00	34.80	41.90	47.13	61.6%	3	4
81	8	53.0%	0.80	0.00	1.85	1,110.00	39.00	46.90	52.67	66.8%	5	7
5	5	83.1%	0.30	0.00	7.20	1,115.00	—	—	—	—	—	—
53	2	89.6%	0.32	0.00	7.50	1,120.00	50.00	56.90	60.00	76.8%	5	6
2	1	93.7%	0.61	0.00	7.20	1,125.00	—	—	—	—	—	—
15	1	74.8%	0.05	0.00	2.50	1,130.00	60.00	66.80	54.10	85.4%	—	0
8	1	105.1%	0.19	0.00	7.50	1,135.00	—	—	—	—	—	—
14	4	84.8%	0.20	0.00	2.70	1,140.00	69.70	76.80	86.70	94.6%	—	0
26	3	91.6%	0.05	0.00	2.50	1,150.00	79.70	86.80	83.00	103.6%	2	0
11	5	127.4%	0.05	0.00	7.10	1,160.00	89.70	96.80	96.40	112.3%	—	0
5	1	138.1%	0.05	0.00	7.40	1,170.00	100.00	106.80	68.10	120.8%	2	0
5	1	147.1%	0.29	0.00	7.40	1,180.00	—	—	—	—	—	—
2	2	155.8%	2.77	0.00	7.40	1,190.00	119.00	127.90	155.94	150.9%	—	0
6	2	149.2%	1.39	0.00	4.90	1,200.00	129.00	137.40	167.84	153.2%	—	0
1	—	186.5%	27.00	0.00	10.00	1,210.00	139.10	149.00	175.97	179.9%	—	0
16	—	195.1%	10.00	0.00	10.00	1,220.00	—	—	—	—	—	—
7	1	203.6%	0.40	0.00	10.00	1,230.00	—	—	—	—	—	—
16	2	203.0%	1.87	0.00	8.40	1,240.00	—	—	—	—	—	—
3	2	220.0%	2.95	0.00	10.00	1,250.00	—	—	—	—	—	—
24	8	178.3%	1.47	0.00	3.10	1,260.00	—	—	—	—	—	—
3	3	171.7%	0.69	0.00	2.00	1,270.00	—	—	—	—	—	—
2	2	258.8%	0.10	0.00	10.00	1,300.00	—	—	—	—	—	—
1	—	266.2%	2.35	0.00	10.00	1,310.00	—	—	—	—	—	—
18	—	273.5%	0.19	0.00	10.00	1,320.00	—	—	—	—	—	—

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 BLK put/call ratio?

For the October 9, 2026 expiration, the BLK put/call ratio based on open interest is 1.11 (673 puts vs 606 calls), and 0.99 based on today's volume. A ratio above 1 means more puts than calls.

What is BLK's implied volatility?

At-the-money implied volatility for BLK options expiring October 9, 2026 is about 52.4%, an annualized estimate of how much the market expects BlackRock stock to move.

How many BLK option expiration dates are there?

BLK has 16 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.