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BLK Options Chain – 2026-09-18

Detailed BLK options chain for 2026-09-18 – real-time call and put contracts with last price, bid/ask, volume, open interest, implied volatility, and in-the-money status.

Tip: Use this page together with the price chart, short-term prediction, and multi-expiry options overview to build a complete view of positioning and risk for BLK.

BLK Call Options — 2026-09-18 Expiration

This page focuses on a single options expiration date for BLK – 2026-09-18 – and lists every available call and put contract in a clean chain view. Each row shows the contract symbol, last trade, bid/ask quotes, daily change, percentage change, trading volume, open interest, implied volatility (IV), and whether the option is currently in-the-money (ITM).

Traders often use a specific expiry’s options chain to identify key strike levels, unusual activity, and risk hedging behavior. High open interest around certain strikes or sudden spikes in volume can reveal where large traders and market makers are concentrating their positions for BLK into 2026-09-18.

This BLK 2026-09-18 options chain provides a complete strike-by-strike breakdown of pricing, liquidity and volatility. By comparing changes in volume, open interest distribution and IV across calls and puts, traders can understand where the market is positioning ahead of this specific expiration date.

BLK Put Options — 2026-09-18 Expiration

The table below shows all call options on BLK expiring on 2026-09-18. You can quickly compare strikes, pricing, liquidity (volume and open interest), and implied volatility to spot popular strike zones and potential directional bets.

Contract Strike Last Bid Ask Volume Open Int. Implied Vol ITM
BLK 260918C01200000 1200.00 37.5 35.6 40.1 3 247 27.19%
BLK 260918C01100000 1100.00 79 70 76 1 112 28.75%
BLK 260918C01060000 1060.00 117 121 127 2 50 39.27%
BLK 260918C01300000 1300.00 18.2 15.3 20.7 1 37 26.83%
BLK 260918C01240000 1240.00 52.4 25 31 1 17 27.03%
BLK 260918C01120000 1120.00 64.2 61.9 67.3 1 13 28.34%
BLK 260918C01080000 1080.00 122.7 79.5 85.5 1 13 29.20%
BLK 260918C01220000 1220.00 32.5 29.6 35 1 13 27.00%
BLK 260918C01400000 1400.00 12.6 6.3 11.2 1 12 27.30%
BLK 260918C01680000 1680.00 4.6 1.65 6.2 5 11 34.57%
BLK 260918C01280000 1280.00 31.3 18.1 23.9 1 11 26.96%
BLK 260918C01640000 1640.00 2.8 1.85 4.1 8 10 30.73%
BLK 260918C01180000 1180.00 45.9 40.2 46.2 1 9 27.54%
BLK 260918C00970000 970.00 199 244 253 9 9 64.92% YES
BLK 260918C01320000 1320.00 23.4 12.6 18 1 8 26.77%
BLK 260918C01160000 1160.00 52.6 45.7 52.2 1 7 27.67%
BLK 260918C01140000 1140.00 97.46 53.6 59.5 1 6 28.03%
BLK 260918C01260000 1260.00 45.8 21 27 1 6 26.89%
BLK 260918C01720000 1720.00 2 0 2.4 1 5 30.56%
BLK 260918C01030000 1030.00 106.13 149.5 156.6 1 4 44.28% YES
BLK 260918C01040000 1040.00 116.3 134 139.9 1 4 40.50% YES
BLK 260918C00850000 850.00 321.28 234 242.5 4 4 37.29% YES
BLK 260918C01340000 1340.00 20.8 10.8 16 1 4 26.92%
BLK 260918C01380000 1380.00 14.8 7.7 12.7 1 3 27.23%
BLK 260918C01420000 1420.00 32.07 6.6 12 1 3 28.78%
BLK 260918C01440000 1440.00 10 4.4 9 1 3 27.68%
BLK 260918C01500000 1500.00 6.3 2.65 6 1 3 27.74%
BLK 260918C00520000 520.00 591 0 0 0 3 0.00% YES
BLK 260918C00830000 830.00 301.63 250 259 1 2 38.12% YES
BLK 260918C01360000 1360.00 17.5 7.5 14 1 2 26.93%
BLK 260918C00890000 890.00 234.36 201.3 210 0 2 35.47% YES
BLK 260918C01600000 1600.00 5 2.35 4.6 0 2 29.99%
BLK 260918C00500000 500.00 610 662 670 0 2 141.68% YES
BLK 260918C01580000 1580.00 4.46 1.3 3.4 0 1 27.73%
BLK 260918C00800000 800.00 339 384 392 0 1 84.50% YES
BLK 260918C01460000 1460.00 8.17 3.7 7.8 1 1 27.64%
BLK 260918C00790000 790.00 347.1 393 401 0 1 85.97% YES
BLK 260918C00700000 700.00 401 419.2 427.5 0 1 73.60% YES
BLK 260918C00490000 490.00 576.3 565.3 574 0 1 52.05% YES
BLK 260918C00600000 600.00 498.25 514.2 521.6 2 1 88.44% YES
BLK 260918C01010000 1010.00 115.5 163.7 170.9 1 1 45.83% YES
BLK 260918C00540000 540.00 573 0 0 0 1 0.00% YES
BLK 260918C00930000 930.00 316 155 163 1 1 27.69% YES
BLK 260918C01520000 1520.00 5.69 4.7 7.5 0 1 29.90%
BLK 260918C00900000 900.00 196 248 254.7 6 0 53.47% YES
BLK 260918C00640000 640.00 458.37 476 484 1 0 82.25% YES
BLK 260918C01000000 1000.00 213.5 0 0 2 0 0.00% YES

BLK Put Options Chain – 2026-09-18

The table below lists all put options on BLK expiring on 2026-09-18. Use it to track downside protection demand, hedge activity, and deep out-of-the-money puts that may indicate tail-risk hedging or speculation.

Contract Strike Last Bid Ask Volume Open Int. Implied Vol ITM
BLK 260918P00500000 500.00 1.21 0 3.1 100 230 50.44%
BLK 260918P01100000 1100.00 76.93 103.1 109.1 2 217 25.55% YES
BLK 260918P00520000 520.00 2.05 1.05 3.1 1 206 48.06%
BLK 260918P00600000 600.00 3.33 2.65 5.2 20 112 43.36%
BLK 260918P00620000 620.00 2.84 3.1 5.8 10 104 42.12%
BLK 260918P00580000 580.00 2.25 2.05 4.7 80 84 44.71%
BLK 260918P00540000 540.00 2.55 1.35 3.6 40 83 46.98%
BLK 260918P01060000 1060.00 77.03 83.7 88.9 5 63 26.51% YES
BLK 260918P00640000 640.00 5.4 3.7 6.6 20 46 41.09%
BLK 260918P00680000 680.00 4.5 5.1 8.6 0 40 39.20%
BLK 260918P00490000 490.00 1.51 0.05 3.1 3 34 51.67%
BLK 260918P00970000 970.00 25.6 48.6 54.6 1 19 29.07%
BLK 260918P00950000 950.00 39.4 43.8 48.7 2 18 29.67%
BLK 260918P01160000 1160.00 98.5 139.5 145.6 1 18 24.37% YES
BLK 260918P01080000 1080.00 100 92.5 98.9 1 14 26.11% YES
BLK 260918P01040000 1040.00 52.6 75 79.8 1 12 26.97%
BLK 260918P01000000 1000.00 40.7 59 62.1 1 11 27.39%
BLK 260918P01020000 1020.00 47.9 66.7 71.9 1 10 27.59%
BLK 260918P01120000 1120.00 89.5 115.1 120.4 1 9 25.11% YES
BLK 260918P00980000 980.00 60.1 36.2 41.9 3 8 23.38%
BLK 260918P00890000 890.00 22.1 28 33.8 3 7 31.41%
BLK 260918P00960000 960.00 49.9 46.8 51.6 1 7 29.38%
BLK 260918P00860000 860.00 15.94 22 27.7 5 6 32.21%
BLK 260918P00840000 840.00 11.4 19 24.2 1 6 32.78%
BLK 260918P00740000 740.00 6.5 8.1 12.4 5 6 36.32%
BLK 260918P00560000 560.00 1.83 0.05 4.8 16 5 47.17%
BLK 260918P00850000 850.00 14.31 20.1 25.8 1 5 32.44%
BLK 260918P00800000 800.00 10.3 14.3 17 1 5 33.14%
BLK 260918P00930000 930.00 20.1 38.1 43.3 2 5 30.27%
BLK 260918P01140000 1140.00 97.2 126.3 132.7 2 5 24.76% YES
BLK 260918P00990000 990.00 28.8 55 61 2 4 28.45%
BLK 260918P00870000 870.00 13.8 24 29.6 1 4 31.93%
BLK 260918P01030000 1030.00 36.8 69.7 75.9 1 4 27.32%
BLK 260918P00750000 750.00 9.5 8.8 13.2 1 3 35.88%
BLK 260918P00880000 880.00 14.7 26.8 32.3 1 3 31.96%
BLK 260918P00790000 790.00 14.37 8.5 11.5 0 3 30.43%
BLK 260918P01180000 1180.00 156 152 159.1 1 3 23.95% YES
BLK 260918P00830000 830.00 10.7 17 24 1 3 33.81%
BLK 260918P00910000 910.00 17.67 33.3 38.5 1 3 30.91%
BLK 260918P00900000 900.00 16.7 30 36.3 1 3 31.25%
BLK 260918P00940000 940.00 21.4 40.3 46 1 2 29.99%
BLK 260918P01260000 1260.00 181 142 150 0 2 0.00% YES
BLK 260918P01220000 1220.00 161.62 141.3 147.7 1 2 0.00% YES
BLK 260918P00920000 920.00 18.9 35.1 40.8 1 2 30.57%
BLK 260918P00820000 820.00 10 16.1 21.1 1 2 33.37%
BLK 260918P01010000 1010.00 44.1 62.4 66.3 1 2 27.30%
BLK 260918P00770000 770.00 10.65 14 21.4 1 2 39.24%
BLK 260918P00700000 700.00 7.6 3 11 1 1 39.43%
BLK 260918P01360000 1360.00 306 215 223 0 1 0.00% YES
BLK 260918P01200000 1200.00 147.55 112 121 0 1 0.00% YES
BLK 260918P00810000 810.00 17.29 11.9 15.9 1 1 31.37%
BLK 260918P01300000 1300.00 239.65 198.6 207.5 1 1 0.00% YES

BLK 2026-09-18 Options Chain FAQ

1. What does this BLK options chain for 2026-09-18 show?

This page displays the full BLK options chain for contracts expiring on 2026-09-18. Both call and put tables include contract symbols, last trade price, bid/ask quotes, daily change and percentage change, trading volume, open interest, implied volatility, and an in-the-money (ITM) flag. It is designed to give you a complete snapshot of how the market is pricing risk and direction for this specific expiry.

2. How can I use this BLK options chain around key events?

Around earnings, macro data releases, or company-specific news, traders often focus on a single expiration such as 2026-09-18. By monitoring changes in implied volatility, volume, and open interest for each strike, you can see where traders are concentrating their bets and hedges. Large shifts in activity on out-of-the-money calls or puts can be early signs of expected volatility or directional moves in BLK.

3. What is the difference between in-the-money and out-of-the-money options here?

The ITM column highlights whether a contract is currently in-the-money for BLK: call options are ITM when their strike is below the current stock price, while put options are ITM when their strike is above the current stock price. ITM contracts have intrinsic value, while out-of-the-money options are purely time and volatility value. This distinction helps you quickly identify which strikes are already “in the money” for this expiry.

4. How should I read implied volatility (IV) in this BLK options table?

Implied volatility reflects how much movement the market expects for BLK between now and 2026-09-18. Higher IV typically means options are more expensive and the market is pricing in larger potential moves. You can compare IV across strikes and between calls and puts to identify skew – for example, expensive downside puts may indicate demand for crash protection, while rich upside calls can signal speculative interest.

5. Can this single-expiry chain replace a full multi-expiry options overview?

No. This 2026-09-18 options chain gives a granular view for one maturity only. For a complete picture of positioning in BLK, you should also review the multi-expiry options overview where you can compare put/call ratios, total open interest and volume across different expiration dates. Combining both perspectives helps you understand whether traders are focused on very short-term moves or longer-dated themes.

6. How often is this BLK options chain for 2026-09-18 updated?

The BLK options data on this page is refreshed regularly during market hours to reflect the latest trades, mid-market quotes, and open interest updates. Intraday changes in volume, open interest, and implied volatility can provide important signals about how sentiment and risk pricing are evolving as 2026-09-18 approaches.