# COST Max Pain (Strike Pegger)

> COST max pain chart: the strike where option writers' aggregate liability is minimized, daily and by expiration.

Data as of Nov 11, 2026 (end of day).

Max Pain© analysis: the peg is the strike where call and put writers' aggregate liability is minimized; the target price (bias) is where call and put liability converge.

## COST quote

| Field | Value |
|---|---|
| Last | 1,087.61 |
| Change | +21.47 |
| Open | 1,081.00 |
| Previous | 1,066.14 |
| High | 1,091.92 |
| Low | 1,072.00 |
| Bid | - |
| Ask | - |
| Volume | 2,203,018 |
| Trades | - |
| Dividend | 1.47 |
| Yield | 0.58% |
| Ex-Div | Feb 1, 2027 |
| Split Date | Jan 14, 2000 |
| Impl Vol | 22.5% |
| Hist Vol | 20.0% |
| Opt Volume | 61,602 |
| Open Int | 324,612 |

Expiration: Nov 13, 2026.

All expirations: 2026-11-13, 2026-11-20, 2026-11-27, 2026-12-04, 2026-12-11, 2026-12-18, 2026-12-24, 2027-01-15, 2027-02-19, 2027-03-19, 2027-04-16, 2027-05-21, 2027-06-17, 2027-08-20, 2027-09-17, 2027-12-17, 2028-01-21, 2028-06-16, 2028-09-15, 2028-12-15, 2029-01-19.

Change the view with query parameters: `expiration` (YYYY-MM-DD, the daily history and the by-strike profile), `date` (an earlier session). Example: `/quotes/strike-pegger/COST.md?expiration=2026-11-13`.

## Daily History — expiration Nov 13, 2026

| Date | Strike Peg | Stock Price | Target Price (bias) | Call OI | Put OI |
|---|---:|---:|---:|---:|---:|
| Nov 11, 2026 | 1,040.00 | 1,087.61 | 1,015.33 | 9,218 | 18,690 |
| Nov 10, 2026 | 1,025.00 | 1,066.14 | 1,002.01 | 8,931 | 16,666 |
| Nov 9, 2026 | 1,015.00 | 1,066.18 | 1,002.56 | 6,736 | 15,518 |
| Nov 6, 2026 | 1,007.50 | 1,053.56 | 1,002.74 | 5,747 | 14,326 |
| Nov 5, 2026 | 1,000.00 | 1,065.59 | 993.84 | 5,171 | 13,809 |
| Nov 4, 2026 | 997.50 | 1,046.47 | 987.63 | 4,612 | 12,577 |
| Nov 3, 2026 | 997.50 | 1,019.26 | 987.98 | 3,922 | 11,466 |
| Nov 2, 2026 | 980.00 | 1,040.55 | 977.49 | 3,157 | 9,300 |
| Oct 30, 2026 | 975.00 | 1,014.50 | 974.80 | 2,915 | 8,883 |
| Oct 29, 2026 | 970.00 | 996.08 | 974.32 | 2,556 | 8,673 |
| Oct 28, 2026 | 970.00 | 982.73 | 973.71 | 2,404 | 8,542 |
| Oct 27, 2026 | 970.00 | 992.13 | 973.88 | 1,947 | 8,317 |
| Oct 26, 2026 | 970.00 | 1,005.16 | 973.48 | 1,740 | 8,206 |
| Oct 23, 2026 | 970.00 | 1,003.32 | 973.75 | 1,573 | 5,247 |

## Open Interest by Strike

**Strike Peg is 1,040.00, Bias: 1,015.33** (expiration Nov 13, 2026) — 4.4% below the last price of 1,087.61; open interest 9.22K calls / 18.69K puts (put/call 2.03).

Net Liability is the call plus put writers' liability if the stock settles at the strike; the peg is its minimum. Showing 54 of 133 strikes: those with open interest within 10% of the last price; the peg uses every strike.

| Strike | Call OI | Put OI | Net Liability |
|---:|---:|---:|---:|
| 980.00 | 35 | 167 | 309,185 |
| 982.50 | 11 | 16 | 297,363 |
| 985.00 | 26 | 172 | 285,608 |
| 987.50 | 8 | 65 | 274,348 |
| 990.00 | 33 | 95 | 263,270 |
| 992.50 | 16 | 42 | 252,513 |
| 995.00 | 29 | 385 | 241,900 |
| 997.50 | 40 | 57 | 232,323 |
| 1,000.00 | 139 | 401 | 222,988 |
| 1,002.50 | 8 | 115 | 215,003 |
| 1,005.00 | 76 | 111 | 207,325 |
| 1,007.50 | 39 | 40 | 200,115 |
| 1,010.00 | 84 | 351 | 193,103 |
| 1,015.00 | 84 | 156 | 181,253 |
| 1,020.00 | 64 | 264 | 170,603 |
| 1,025.00 | 75 | 157 | 161,593 |
| 1,030.00 | 83 | 449 | 153,743 |
| 1,035.00 | 106 | 170 | 148,553 |
| 1,037.50 | 39 | 437 | 146,648 |
| 1,040.00 | 163 | 139 | 145,933 |
| 1,042.50 | 4 | 843 | 145,973 |
| 1,045.00 | 121 | 107 | 148,130 |
| 1,047.50 | 19 | 61 | 150,858 |
| 1,050.00 | 209 | 177 | 153,785 |
| 1,052.50 | 20 | 30 | 157,678 |
| 1,055.00 | 215 | 148 | 161,695 |
| 1,057.50 | 15 | 42 | 166,620 |
| 1,060.00 | 411 | 144 | 171,688 |
| 1,062.50 | 140 | 28 | 178,143 |
| 1,065.00 | 204 | 67 | 185,018 |
| 1,070.00 | 213 | 73 | 200,123 |
| 1,075.00 | 135 | 22 | 216,658 |
| 1,080.00 | 355 | 41 | 233,978 |
| 1,085.00 | 241 | 4 | 253,278 |
| 1,090.00 | 335 | 9 | 273,803 |
| 1,095.00 | 240 | 0 | 296,048 |
| 1,100.00 | 1,283 | 11 | 319,493 |
| 1,105.00 | 72 | 1 | 349,408 |
| 1,110.00 | 276 | 0 | 379,688 |
| 1,115.00 | 58 | 0 | 411,348 |
| 1,120.00 | 200 | 0 | 443,298 |
| 1,125.00 | 36 | 0 | 476,248 |
| 1,130.00 | 236 | 4 | 509,378 |
| 1,135.00 | 248 | 0 | 543,708 |
| 1,140.00 | 67 | 0 | 579,278 |
| 1,145.00 | 19 | 0 | 615,183 |
| 1,150.00 | 54 | 0 | 651,183 |
| 1,155.00 | 7 | 0 | 687,453 |
| 1,160.00 | 265 | 0 | 723,758 |
| 1,165.00 | 60 | 0 | 761,388 |
| 1,170.00 | 92 | 0 | 799,318 |
| 1,175.00 | 14 | 0 | 837,708 |
| 1,180.00 | 126 | 0 | 876,168 |
| 1,190.00 | 215 | 0 | 954,348 |

## By Expiration

| Expiration | Strike Peg | Stock Price | Target Price (bias) | Call OI | Put OI |
|---|---:|---:|---:|---:|---:|
| Nov 13, 2026 | 1,040.00 | 1,087.61 | 1,015.33 | 9,218 | 18,690 |
| Nov 20, 2026 | 980.00 | 1,087.61 | 973.69 | 24,283 | 34,661 |
| Nov 21, 2026 | 980.00 | 1,087.61 | 973.69 | 24,283 | 34,661 |
| Nov 27, 2026 | 1,000.00 | 1,087.61 | 1,006.42 | 3,209 | 11,436 |
| Dec 19, 2026 | 960.00 | 1,087.61 | 934.99 | 20,477 | 21,662 |
| Jan 16, 2027 | 950.00 | 1,087.61 | 913.25 | 29,448 | 30,134 |
| Feb 20, 2027 | 930.00 | 1,087.61 | 858.09 | 5,281 | 4,277 |
| Mar 20, 2027 | 970.00 | 1,087.61 | 954.21 | 7,039 | 8,960 |
| Apr 17, 2027 | 980.00 | 1,087.61 | 956.84 | 1,730 | 3,159 |
| May 22, 2027 | 1,050.00 | 1,087.61 | 1,058.29 | 134 | 270 |
| Jun 19, 2027 | 960.00 | 1,087.61 | 961.44 | 5,442 | 5,794 |
| Sep 18, 2027 | 980.00 | 1,087.61 | 965.14 | 4,062 | 3,838 |
| Jan 22, 2028 | 950.00 | 1,087.61 | 910.01 | 11,606 | 11,048 |
| Jan 20, 2029 | 1,030.00 | 1,087.61 | 998.51 | 3,311 | 2,307 |

Max Pain© is a registered trademark. The peg is computed from open interest in the day's option snapshot.

## More for COST

- [Quote](https://www.optionistics.com/quotes/stock-quotes/COST.md)
- [Option chain](https://www.optionistics.com/quotes/stock-option-chains/COST.md)
- [Price history](https://www.optionistics.com/quotes/stock-prices/COST.md)
- [10 day snapshot](https://www.optionistics.com/snapshot.md?symbol=COST)
- [Strike Pegger (max pain)](https://www.optionistics.com/quotes/strike-pegger/COST.md)
- [Volatility skew](https://www.optionistics.com/screener/volatility-skew/COST.md)
- [Put/call ratio](https://www.optionistics.com/screener/put-call-ratio/COST.md)
- [Trade finder](https://www.optionistics.com/screener/stock-trade-finder/COST.md)

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