BlackRock (BLK) Options Chain

NYSE: BLKFinanceInvestment Bankers/Brokers/ServiceUSD

1,082.39+17.04 (+1.60%)

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

Expiration date

Expiration: Mar 19, 2027
Days to expiration: 160
Share price: $1,082.39
Put/call ratio (OI): 0.74
Put/call ratio (volume): 0.17
ATM implied volatility: 28.9%
Expected move: ±$207.47
Open interest (C / P): 1.34K / 994

BLK options summary

The BLK options chain for the March 19, 2027 expiration lists 62 call and 50 put contracts, with 160 days until expiration. Open interest stands at 1,338 calls and 994 puts, a put/call ratio of 0.74, which is fairly balanced between calls and puts. At-the-money implied volatility near the $1,080.00 strike is 28.9%, which implies the market expects a move of about ±$207.47 (19.2%) in BlackRock stock by expiration.

The most open interest sits at the $1,220.00 call (457 contracts) and the $800.00 put (222 contracts).

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

BLK options chain · March 19, 2027

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
0	2	149.8%	512.57	651.10	659.00	520.00	0.00	2.75	4.05	51.3%	—	1
—	—	—	—	—	—	540.00	0.00	2.15	1.45	52.2%	1	0
—	—	—	—	—	—	580.00	0.00	2.30	0.83	47.9%	1	79
1	—	92.0%	549.00	520.10	529.00	600.00	—	—	—	—	—	—
1	1	124.4%	493.40	554.20	562.00	620.00	0.00	0.00	2.89	12.5%	10	0
1	1	119.2%	474.60	533.20	542.00	640.00	0.00	3.20	2.40	43.5%	2	7
0	1	—	520.34	0.00	0.00	660.00	1.00	3.40	1.80	41.8%	1	17
1	—	52.9%	391.77	407.00	415.20	680.00	1.30	3.80	2.70	40.4%	6	16
—	—	—	—	—	—	700.00	1.65	4.30	3.30	39.2%	3	9
—	—	—	—	—	—	720.00	7.70	14.90	13.30	49.7%	1	17
—	—	—	—	—	—	730.00	0.00	0.00	20.00	12.5%	4	0
—	—	—	—	—	—	740.00	0.00	0.00	7.25	12.5%	2	0
8	8	46.0%	380.00	340.00	347.50	750.00	3.30	6.20	6.92	36.6%	2	15
—	—	—	—	—	—	760.00	15.50	20.50	37.00	49.1%	9	18
1	—	94.4%	314.50	411.00	418.70	770.00	4.40	7.20	6.50	35.7%	3	18
1	—	92.5%	305.80	401.50	409.00	780.00	2.60	7.90	7.15	35.4%	1	21
1	—	90.9%	297.10	392.20	400.00	790.00	5.20	8.80	9.37	35.3%	1	15
2	1	43.1%	343.00	293.30	302.00	800.00	5.60	9.40	10.00	34.7%	1	222
8	1	42.4%	325.21	284.10	292.90	810.00	6.30	10.30	9.47	34.5%	1	12
—	—	—	—	—	—	820.00	6.90	11.20	7.23	34.1%	1	10
2	1	41.1%	300.00	266.10	274.80	830.00	8.40	12.30	11.85	33.9%	1	7
1	—	82.6%	255.10	346.00	353.10	840.00	9.00	13.40	12.45	33.6%	3	3
1	1	39.5%	320.55	248.20	256.40	850.00	10.10	14.70	14.40	33.4%	3	14
1	—	35.6%	269.35	235.00	242.20	860.00	11.30	16.10	16.65	33.2%	2	14
1	1	78.2%	225.13	318.90	326.50	870.00	10.00	14.00	51.00	30.6%	1	5
1	—	54.7%	284.60	260.50	268.00	880.00	12.10	19.10	20.00	32.7%	1	25
—	—	—	—	—	—	890.00	14.60	18.20	28.30	31.0%	1	2
2	1	74.0%	140.00	292.20	299.90	900.00	14.10	22.50	21.50	32.3%	1	21
0	1	72.6%	229.68	282.70	292.00	910.00	40.00	48.20	41.50	43.7%	1	10
19	2	36.0%	230.00	189.30	197.30	920.00	13.30	20.00	39.10	28.4%	19	23
—	—	—	—	—	—	930.00	21.50	27.70	27.10	31.1%	9	10
1	1	35.5%	161.40	173.50	182.30	940.00	16.30	22.50	68.40	27.2%	1	5
4	1	35.2%	173.20	165.60	174.70	950.00	25.70	31.90	34.43	30.5%	1	16
—	—	—	—	—	—	960.00	27.30	31.00	35.70	28.7%	8	60
—	—	—	—	—	—	970.00	0.00	0.00	28.40	3.1%	7	0
4	1	33.5%	149.13	144.90	151.30	980.00	31.60	39.60	43.00	29.7%	1	21
2	1	23.6%	160.00	112.70	120.90	990.00	34.60	42.20	34.80	29.3%	14	18
5	37	33.0%	129.00	129.70	137.60	1,000.00	37.70	45.10	50.00	29.0%	1	19
8	—	32.6%	115.58	124.10	130.70	1,010.00	41.00	48.30	57.50	28.8%	1	12
2	2	32.4%	109.72	117.00	124.30	1,020.00	44.50	51.80	55.80	28.6%	1	22
26	64	32.1%	103.80	111.40	117.90	1,030.00	47.50	55.10	65.40	28.2%	1	23
10	230	31.7%	103.30	106.30	111.60	1,040.00	51.10	58.90	65.49	28.0%	10	62
25	3	31.3%	95.00	94.60	100.10	1,060.00	59.60	66.90	70.50	27.5%	2	55
150	1	30.8%	82.80	82.50	89.00	1,080.00	68.40	76.10	80.00	27.1%	1	37
BLK $1,082.39
174	1	30.4%	64.00	72.10	79.10	1,100.00	78.10	86.20	84.90	26.8%	1	18
36	1	30.1%	66.83	62.80	69.90	1,120.00	89.10	95.80	99.30	26.0%	2	6
24	2	29.8%	50.50	56.00	61.50	1,140.00	101.00	108.60	108.00	26.1%	5	5
19	1	29.4%	43.70	48.00	53.70	1,160.00	113.30	121.10	96.60	25.7%	—	1
26	4	29.4%	46.63	41.10	47.40	1,180.00	127.00	134.40	145.20	25.4%	1	2
16	2	29.3%	35.30	34.90	41.40	1,200.00	141.00	149.60	98.30	25.6%	—	1
457	450	29.0%	34.00	29.50	35.80	1,220.00	—	—	—	—	—	—
46	9	29.0%	28.30	24.70	31.20	1,240.00	—	—	—	—	—	—
27	12	29.1%	26.30	20.40	27.60	1,260.00	0.00	0.00	306.20	—	—	0
60	1	28.6%	17.49	17.20	22.90	1,280.00	—	—	—	—	—	—
17	5	28.5%	17.00	14.50	19.70	1,300.00	—	—	—	—	—	—
17	1	29.6%	14.50	12.20	18.90	1,320.00	—	—	—	—	—	—
4	1	28.7%	15.15	10.30	15.00	1,340.00	—	—	—	—	—	—
0	1	6.3%	34.10	0.00	0.00	1,360.00	—	—	—	—	—	—
6	1	28.7%	9.70	7.40	11.10	1,380.00	—	—	—	—	—	—
13	1	28.7%	9.90	6.30	9.50	1,400.00	—	—	—	—	—	—
5	1	29.0%	8.10	5.50	8.40	1,420.00	—	—	—	—	—	—
0	2	6.3%	20.20	0.00	0.00	1,440.00	—	—	—	—	—	—
3	—	29.4%	5.10	4.00	6.60	1,460.00	—	—	—	—	—	—
2	1	29.9%	11.60	3.40	6.10	1,480.00	—	—	—	—	—	—
4	1	30.2%	4.80	2.95	5.50	1,500.00	—	—	—	—	—	—
5	1	38.1%	7.40	9.10	13.30	1,520.00	—	—	—	—	—	—
6	1	31.2%	2.85	2.15	4.80	1,540.00	—	—	—	—	—	—
5	—	31.3%	2.85	1.80	4.20	1,560.00	—	—	—	—	—	—
5	1	32.2%	3.00	1.55	4.20	1,580.00	—	—	—	—	—	—
31	15	32.7%	2.65	1.35	4.00	1,600.00	—	—	—	—	—	—
3	1	33.2%	2.40	1.15	3.80	1,620.00	—	—	—	—	—	—
13	1	33.7%	2.10	1.00	3.60	1,640.00	—	—	—	—	—	—
4	—	34.0%	1.90	0.85	3.30	1,660.00	—	—	—	—	—	—
20	—	34.9%	1.60	0.50	3.40	1,680.00	—	—	—	—	—	—

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 March 19, 2027 expiration, the BLK put/call ratio based on open interest is 0.74 (994 puts vs 1,338 calls), and 0.17 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 March 19, 2027 is about 28.9%, an annualized estimate of how much the market expects BlackRock stock to move.

How many BLK option expiration dates are there?

BLK has 15 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.