Options Skew Analytics

KLAC option chain

Strikes around the forward, as they were quoted at the close

Data as of 22 September 2026 (end of day)

2026-09-25(3 days)ATM 56.83%±9.66skew +1.02
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
85$33.10$40.60—$150.00—————
80$30.20$37.60—$152.50—————
01$27.70$33.70—$155.00—————
07$26.10$30.30—$160.00—————
05$22.60$27.80—$162.50—————
011$20.20$25.50—$165.00—————
641$17.20$22.90—$167.50—————
4175$17.00$18.30—$170.00—————
12,486$11.60$15.80—$172.5065.69%$0.30$0.5012766
891$12.20$13.40—$175.0061.19%$0.45$0.6058049
202,452$10.00$11.20—$177.5060.51%$0.70$1.007736
87448$8.00$9.10—$180.0060.38%$1.20$1.5069136
1585$6.10$7.40—$182.5059.09%$1.80$2.1532217
112468$4.60$5.70—$185.0057.67%$2.50$3.1017220
36100$3.50$4.1056.81%$187.50—$3.60$4.2008
80732$2.60$3.1058.88%$190.00—$5.10$6.005026
9670$1.65$2.2057.72%$192.50—$6.70$7.9010
77245$1.20$1.5559.36%$195.00—$8.50$9.8090
632$0.70$1.1059.29%$197.50—————
51636$0.50$0.8061.58%$200.00—$12.70$17.3080
—————$205.00—$17.40$22.1090

Forward $187.40. The 25-delta put carries +1.02 volatility points over the 25-delta call.

2026-10-02(10 days)ATM 56.11%±17.42skew +0.88
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
074$23.80$31.00—$160.0062.27%$0.40$0.5538211
03$22.60$24.00—$165.0058.77%$0.60$0.90214186
048$16.90$23.20—$167.5058.47%$0.85$1.208610
2399$18.50$19.60—$170.0057.45%$1.15$1.5021316
2560$14.70$17.30—$172.5057.70%$1.60$2.00410
2113$13.80$15.00—$175.0057.27%$2.10$2.5520527
036$12.00$13.40—$177.5057.24%$2.70$3.30220
10536$11.10$11.70—$180.0057.18%$3.50$4.10895
2250$9.40$10.00—$182.5056.40%$4.40$4.9082
419245$8.00$8.40—$185.0056.58%$5.40$6.103828
728$6.70$7.30—$187.5056.41%$6.60$7.3015
80259$5.50$6.0055.47%$190.00—$8.00$8.602810
217$4.50$5.1055.84%$192.50—————
4893$3.70$4.3056.38%$195.00—$10.90$12.3081
79$2.95$3.5056.08%$197.50—————
16127$2.40$2.8556.35%$200.00—$14.50$16.20330
917$1.90$2.2556.11%$202.50—————
424$1.55$1.9557.44%$205.00—$18.50$23.8060
587$1.05$1.4059.63%$210.00—$22.90$27.6061
22$0.75$1.1559.40%$212.50—————
—————$215.00—$27.60$32.5030

Forward $187.55. The 25-delta put carries +0.88 volatility points over the 25-delta call.

2026-10-09(17 days)ATM 53.81%±21.79skew +1.80
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
03$48.00$55.90—$135.00—————
04$33.40$40.90—$150.00—————
—————$160.0058.88%$0.85$1.354811
014$22.00$25.30—$165.0057.04%$1.40$1.905326
30$18.00$25.90—$167.5056.83%$1.85$2.3003
21603$18.30$21.00—$170.0055.92%$2.30$2.7048112
03$17.00$18.80—$172.5055.45%$2.80$3.3002
1675$15.20$17.00—$175.0055.85%$3.50$4.101649
20$13.40$15.30—$177.5055.80%$4.30$4.9009
2981$11.90$13.70—$180.0055.04%$5.10$5.701,1128
2741$10.40$12.00—$182.5055.25%$6.10$6.8009
7169$10.00$10.50—$185.0055.68%$7.30$8.004512
53$8.80$9.20—$187.5055.40%$8.40$9.3010
436$6.70$8.2052.85%$190.00—$9.60$10.7061
30$6.20$7.1054.28%$192.50—$11.00$12.7040
3766$5.50$6.1054.75%$195.00—————
1969$3.40$4.5052.69%$200.00—$16.00$17.9040
1226$2.40$3.5054.04%$205.00—$19.80$21.9030
—————$220.00—$32.60$38.2020
—————$225.00—$37.40$43.1010

Forward $187.65. The 25-delta put carries +1.80 volatility points over the 25-delta call.

2026-10-16(24 days)ATM 55.76%±26.84skew -0.52
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
—————$157.5057.89%$1.30$1.6552
019$29.10$30.20—$160.0057.51%$1.70$1.90939118
—————$162.5057.54%$2.05$2.40330
067$22.10$25.90—$165.0056.58%$2.50$2.701,22298
—————$167.5056.56%$2.90$3.40735
7268$21.30$21.90—$170.0055.98%$3.50$3.901,305320
01$18.50$20.20—$172.5056.24%$4.20$4.7040
12551$16.80$18.50—$175.0055.32%$4.90$5.3058526
211$15.20$16.70—$177.5056.29%$5.70$6.60876
23885$14.10$15.20—$180.0055.55%$6.40$7.6036010
147215$13.00$13.70—$182.5054.89%$7.60$8.30048
11771$11.70$12.40—$185.0056.93%$9.10$9.9035240
644$10.40$11.20—$187.5055.81%$9.90$11.20410
1351,270$9.30$10.0055.75%$190.00—$11.40$12.504270
25$8.20$8.9055.48%$192.50—————
39754$7.20$7.9055.27%$195.00—$14.30$15.601120
1331,142$5.70$6.3055.93%$200.00—$17.60$19.5017412
3324$4.30$4.9055.75%$205.00—$21.30$23.2040
501,014$3.40$3.9056.76%$210.00—$25.30$27.30200
1112$2.50$3.0056.67%$215.00—————
2851,576$1.85$2.3557.06%$220.00—$33.80$39.20330

Forward $187.75. The 25-delta put carries -0.52 volatility points over the 25-delta call.

2026-10-23(31 days)ATM 58.03%±31.63skew -1.54
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
051$34.90$41.10—$150.0059.31%$1.20$1.553513
02$29.90$38.10—$155.0058.54%$1.80$2.153513
16$27.10$32.00—$160.0055.32%$2.00$2.903615
11$24.20$28.20—$165.0055.86%$3.00$4.202355
8221$21.30$23.60—$170.0054.86%$4.40$5.203923
414$17.50$20.20—$175.0057.10%$6.00$7.80651
16$14.70$17.00—$180.0054.99%$7.70$9.301143
1320$12.20$14.30—$185.0056.65%$9.80$12.60100
2843$10.40$12.1058.03%$190.00—$12.80$15.300175
639$8.10$9.8056.60%$195.00—$15.40$17.6007
736$6.30$8.2056.58%$200.00—$18.80$21.6040
282$4.80$7.0056.99%$205.00—————
136$3.70$5.5056.40%$210.00—————
1766$3.20$4.0056.25%$215.00—$30.10$33.1010
1617$2.70$3.3057.55%$220.00—————
66$1.65$2.5059.80%$230.00—————
22$1.25$1.9559.59%$235.00—————

Forward $187.06. The 25-delta put carries -1.54 volatility points over the 25-delta call.

2026-10-30(38 days)ATM 63.36%±38.20skew -1.76
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
01$44.50$50.10—$140.0061.73%$0.90$1.20114
01$39.90$45.50—$145.00—————
01$35.60$41.10—$150.0061.88%$1.85$2.701317
—————$155.0061.56%$2.55$3.705415
02$28.30$32.90—$160.0060.40%$3.70$4.4021814
—————$165.0060.21%$4.80$5.902813
013$22.30$25.50—$170.0058.24%$6.10$7.001203
110$19.10$22.40—$175.0059.19%$7.90$9.30156
19$17.80$19.50—$180.0059.20%$10.00$11.501275
017$13.60$16.80—$185.0059.91%$12.30$14.4030
1416$13.20$14.4063.51%$190.00—$14.90$16.50023
114$10.40$12.2061.42%$195.00—$17.80$20.0020
1927$8.80$10.3061.45%$200.00—$21.00$24.4020
33$7.30$8.8061.58%$205.00—$24.50$27.9030
20333$6.30$7.5062.39%$210.00—$28.10$31.6030
12$4.40$6.4060.61%$215.00—————
2724$4.30$5.1061.98%$220.00—————
93$3.00$4.6061.53%$225.00—————
48$3.10$3.8063.69%$230.00—————
36$1.95$3.2061.78%$235.00—————
68$1.80$2.7563.22%$240.00—————

Forward $186.86. The 25-delta put carries -1.76 volatility points over the 25-delta call.

2026-11-20(59 days)ATM 60.72%±45.92
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
2491,639$25.50$27.20—$172.0059.86%$10.10$10.501,2471
066$23.60$26.10—$174.0059.81%$10.70$11.503022
043$23.10$25.50—$175.0060.10%$11.20$12.001396
015$22.50$24.80—$176.0059.98%$11.70$12.301432
1052$23.00$23.70—$178.0059.84%$12.40$13.302254
11127$21.10$22.70—$180.0059.75%$13.50$14.003055
19178$20.70$21.50—$182.0060.06%$14.30$15.3017012
4317$19.80$20.50—$184.0060.06%$15.50$16.101891
1678$18.70$20.20—$185.0060.02%$16.00$16.60761
197$18.90$19.70—$186.0060.11%$16.50$17.201120
283$17.30$18.70—$188.0060.05%$17.60$18.201911
27146$17.00$17.6060.66%$190.00—$18.60$19.403566
743$16.20$16.8060.82%$192.00—$19.60$20.703741
1146$15.30$16.0060.70%$194.00—$20.80$21.801110
4185$14.80$15.6060.52%$195.00—$21.50$22.401890
139$14.30$15.2060.31%$196.00—$22.00$23.10800
2206$13.80$14.4060.64%$198.00—$23.20$24.20440
37494$13.20$13.7060.88%$200.00—$24.70$25.502272
29152$12.50$13.0060.84%$202.00—$25.80$27.00810
274$11.80$12.3060.71%$204.00—$27.20$28.301440
2142$11.20$11.8060.98%$206.00—$28.50$29.80690

Forward $188.10. Not enough surviving quotes on both wings to measure the skew here.

2026-12-18(87 days)ATM 57.18%±52.76
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
023$26.10$27.10—$178.0058.10%$15.30$15.70880
070$25.20$26.40—$179.0058.33%$15.80$16.30631
1255$24.00$26.00—$180.0058.38%$16.30$16.8078515
070$24.60$25.30—$181.0058.13%$16.50$17.40440
0180$22.80$24.90—$182.0058.29%$17.20$17.80760
0250$23.70$24.40—$183.0058.28%$17.70$18.30120
0164$22.90$23.90—$184.0058.39%$18.00$19.101151
1205$22.80$23.40—$185.0058.48%$18.80$19.402321
2160$21.50$23.00—$186.0058.55%$19.30$20.0080
2037$21.70$22.50—$187.0058.32%$19.60$20.604660
0372$20.90$22.00—$188.0058.63%$20.40$21.10480
0130$20.70$21.60—$189.00—$20.70$21.60280
3144$20.10$21.1057.90%$190.00—$21.40$22.20640
032$19.60$20.6057.70%$191.00—$22.00$22.90701
084$19.30$20.3058.04%$192.00—$22.60$23.3042
045$19.00$19.8058.08%$193.00—$22.90$24.40543
242$18.50$19.4057.96%$194.00—$23.40$24.702232
1547$18.20$19.0058.10%$195.00—$24.10$25.30562
090$17.00$18.7057.12%$196.00—$24.90$25.8011512
1296$16.60$18.0057.71%$198.00—$25.90$27.10440
426678$16.50$17.2058.50%$200.00—$27.20$28.8012826

Forward $189.00. Not enough surviving quotes on both wings to measure the skew here.

How to read this

Calls on the left, puts on the right, the strike between them — the layout every chain uses. Each block is one expiration, and the heading carries its days to expiry, the at-the-money implied volatility, and the one-standard-deviation move that volatility implies over that time.

Only the 21 strikes nearest the forward are stored, which is the part of the board that carries the volume. The shaded side is in the money: below the forward for calls, above it for puts.

Implied volatility is shown on the out-of-the-money side only. An in-the-money option is nearly all intrinsic value quoted on a wide market, so a volatility solved from it would look authoritative and mean very little. The price is still shown, because the price is real; the blank is deliberate.