Options Skew Analytics

FI option chain

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

Data as of 30 June 2025 (end of day)

2025-07-18(18 days)ATM 22.70%±8.71skew +1.20
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
02$35.80$39.00—$135.00—————
02$30.80$34.20—$140.00—————
022$25.90$29.30—$145.00—————
015$20.90$24.30—$150.00—————
0103$17.80$19.10—$155.00—————
05$13.60$17.10—$157.50—————
12387$12.90$14.10—$160.0027.17%$0.40$0.555233
03$9.40$12.30—$162.5025.04%$0.50$0.75121
0459$8.60$9.60—$165.0024.26%$0.85$1.103554
04$6.40$8.10—$167.5023.59%$1.35$1.65491
172,903$5.00$5.30—$170.0023.03%$2.15$2.3532814
29288$3.50$3.80—$172.5022.75%$3.20$3.4041350
873,019$2.40$2.6022.55%$175.00—$4.50$4.80790
57286$1.55$1.7022.35%$177.50—$5.20$6.70110
1416,537$0.95$1.1022.40%$180.00—$6.90$8.803950
3348$0.50$0.7022.23%$182.50—————
—————$185.00—$12.10$14.40281
—————$190.00—$16.20$19.60580
—————$195.00—$21.20$24.6040
4881$0.05$0.1030.81%$200.00—$26.70$29.6030
—————$210.00—$36.20$39.6030

Forward $172.85. The 25-delta put carries +1.20 volatility points over the 25-delta call.

2025-07-25(25 days)ATM 37.14%±16.82skew +2.74
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
02$80.80$84.10—$90.00—————
02$45.90$49.30—$125.00—————
—————$150.0041.90%$0.65$0.95300
01$17.30$20.70—$155.00—————
32$13.80$16.00—$160.0038.91%$1.95$2.35185
156$9.40$12.80—$165.0037.75%$3.10$3.70420
727$8.20$8.50—$170.0037.47%$5.00$5.60261
12112$5.50$6.0037.02%$175.00—$7.50$8.00610
946$3.50$4.0036.31%$180.00—$9.70$11.9010
13439$2.15$2.6036.17%$185.00—————
211$1.30$1.7536.81%$190.00—————

Forward $172.99. The 25-delta put carries +2.74 volatility points over the 25-delta call.

2025-08-15(46 days)ATM 33.36%±20.55skew +3.39
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
01$46.50$49.80—$125.00—————
06$41.60$45.00—$130.00—————
11$36.80$40.20—$135.00—————
11$32.00$35.40—$140.0040.99%$0.60$0.80442
01$27.50$30.80—$145.0039.24%$0.90$1.15961
051$24.40$26.20—$150.0038.02%$1.40$1.701,28624
018$20.10$21.30—$155.0036.41%$2.05$2.401,277129
2176$15.90$18.10—$160.0035.59%$3.10$3.50700517
5238$12.40$13.90—$165.0034.61%$4.50$4.904662
12224$9.80$10.40—$170.0033.79%$6.30$6.8016014
58287$7.20$7.7033.34%$175.00—$8.70$9.2012956
9333$5.20$5.6033.10%$180.00—$11.60$12.2020411
17795$3.50$3.9032.43%$185.00—$14.30$15.9060
157746$2.40$2.6032.20%$190.00—$17.80$20.70150
20514$1.55$1.9032.57%$195.00—————
4221,562$1.05$1.2532.74%$200.00—————

Forward $173.49. The 25-delta put carries +3.39 volatility points over the 25-delta call.

2025-09-19(81 days)ATM 30.25%±24.80skew +2.64
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
03$71.60$74.90—$100.00—————
01$61.80$65.10—$110.00—————
03$47.30$50.30—$125.00—————
03$43.70$45.50—$130.00—————
02$37.80$40.70—$135.0037.27%$0.70$1.05176
022$33.10$36.10—$140.0036.16%$1.10$1.403040
22$30.00$31.00—$145.0035.03%$1.60$1.905030
322$25.80$26.70—$150.0033.84%$2.20$2.604890
316$21.70$22.70—$155.0032.22%$3.00$3.301450
6189$18.10$19.10—$160.0031.90%$4.30$4.601,5984
1200$14.70$15.50—$165.0031.26%$5.80$6.2064912
5252$11.90$12.30—$170.0030.93%$7.80$8.201834
23452$9.20$9.6030.33%$175.00—$10.10$10.501362
10239$7.00$7.4029.92%$180.00—$13.00$13.301251
9154$5.20$5.6029.59%$185.00—$15.50$17.602350
742,495$3.90$4.1029.43%$190.00—$19.00$20.602245
6351$2.80$3.0029.26%$195.00—$23.00$24.707440
232,267$2.00$2.1529.17%$200.00—$27.50$29.201440
181,933$1.00$1.2029.67%$210.00—$36.40$39.00280
31,693$0.50$0.6530.20%$220.00—$46.20$49.60700
—————$240.00—$66.20$69.6010

Forward $174.09. The 25-delta put carries +2.64 volatility points over the 25-delta call.

2025-12-19(172 days)ATM 31.34%±37.83skew +3.31
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
05$54.70$57.80—$120.0038.59%$1.10$1.4010
—————$125.0037.80%$1.50$1.803018
02$45.90$48.30—$130.0036.77%$1.90$2.30240
02$42.40$44.50—$135.0035.99%$2.50$2.901020
03$38.30$40.30—$140.0035.29%$3.20$3.70532
02$34.40$36.30—$145.0034.43%$4.00$4.602420
08$30.30$31.30—$150.0033.84%$5.10$5.70737
013$26.90$28.70—$155.0033.27%$6.40$7.0054253
115$23.50$25.10—$160.0032.79%$8.00$8.50673
1114$20.60$21.10—$165.0032.47%$9.80$10.401832
8376$17.80$18.20—$170.0032.27%$11.90$12.601785
7200$15.10$15.60—$175.0031.75%$14.10$14.906510
23175$12.80$13.2031.34%$180.00—$16.70$17.70180
0148$10.80$11.1031.04%$185.00—$19.60$21.0070
1546$8.80$9.3030.55%$190.00—$22.30$24.00200
5360$7.30$7.7030.33%$195.00—$26.30$27.6060
2462$6.00$6.4030.20%$200.00—$29.80$31.6075
27124$3.90$4.4029.95%$210.00—$37.70$40.4030
73700$2.60$3.0030.05%$220.00—————
50208$1.80$2.0530.41%$230.00—————
068$1.10$1.4030.37%$240.00—————

Forward $175.87. The 25-delta put carries +3.31 volatility points over the 25-delta call.

2026-01-16(200 days)ATM 30.64%±39.95skew +3.51
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
06$59.90$62.90—$115.00—————
033$55.10$58.50—$120.00—————
02$50.60$54.00—$125.00—————
014$46.20$49.50—$130.00—————
061$43.10$44.40—$135.0035.69%$2.50$4.001490
018$39.00$40.20—$140.0034.45%$3.70$4.101520
088$35.30$36.20—$145.0033.78%$4.60$5.104930
0218$31.40$32.40—$150.0033.48%$5.80$6.4017210
0277$28.30$28.90—$155.0032.68%$7.10$7.601170
0262$24.20$25.80—$160.0032.14%$8.60$9.202730
7314$20.40$22.20—$165.0031.58%$10.40$10.903390
1144$18.20$19.70—$170.0031.37%$12.50$13.101311
12314$16.00$16.60—$175.0031.09%$14.80$15.501057
2185$13.70$14.2030.71%$180.00—$17.30$18.10670
0208$11.50$12.1030.27%$185.00—$20.10$21.002210
12313$9.70$10.6030.37%$190.00—$23.50$24.501700
2180$8.10$8.5029.63%$195.00—$26.80$27.801820
0356$6.80$7.8030.27%$200.00—$29.60$31.606430
1293$4.50$5.0029.17%$210.00—$37.80$41.101340
92,246$2.80$3.5028.83%$220.00—$46.70$48.80130
56610$1.70$2.4528.66%$230.00—$56.30$59.60200

Forward $176.18. The 25-delta put carries +3.51 volatility points over the 25-delta call.

2026-03-20(263 days)ATM 30.46%±45.95skew +4.56
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
04$52.90$55.70—$125.00—————
01$48.30$51.30—$130.00—————
—————$135.0035.00%$3.70$4.80110
03$40.20$43.30—$140.0035.26%$4.80$6.20580
—————$145.0034.41%$5.90$7.10720
0152$33.90$35.20—$150.0033.72%$6.60$8.80150
023$30.50$31.80—$155.0033.74%$7.80$11.00320
028$27.50$28.50—$160.0031.89%$9.60$11.10860
226$24.50$26.30—$165.0032.45%$12.30$13.101240
1869$21.80$23.30—$170.0032.40%$14.20$15.70250
2947$19.10$20.60—$175.0030.86%$15.60$17.501400
092$16.70$17.4030.92%$180.00—$18.30$20.201240
085$14.20$15.3030.37%$185.00—$21.20$24.5070
0210$12.60$13.3030.35%$190.00—$24.30$27.60110
091$10.20$12.7030.54%$195.00—$27.60$30.90150
0348$9.30$9.9029.79%$200.00—————
1146$6.80$8.2030.34%$210.00—$39.50$41.5020
0224$4.80$5.4029.18%$220.00—$47.30$49.30180
063$3.30$4.0028.98%$230.00—————
032$2.40$2.9029.02%$240.00—————
134$1.80$2.1529.30%$250.00—————

Forward $177.73. The 25-delta put carries +4.56 volatility points over the 25-delta call.

2026-06-18(353 days)ATM 31.48%±55.32skew +4.51
CallsStrikePuts
VolumeOpen intBidAskIV IVBidAskOpen intVolume
05$58.50$61.90—$120.00—————
03$54.50$57.90—$125.00—————
02$51.60$53.40—$130.0035.79%$4.70$5.5060
253$48.00$49.30—$135.0034.82%$5.50$6.30120
037$44.20$45.50—$140.0034.32%$6.60$7.40100
22$40.10$42.00—$145.0033.75%$6.90$9.50330
—————$150.0033.39%$9.20$10.10310
02$33.10$35.80—$155.0032.94%$10.70$11.70650
08$30.60$32.50—$160.0032.48%$12.40$13.401010
043$27.90$30.60—$165.0032.09%$14.20$15.402890
862$25.20$27.50—$170.0031.83%$16.40$17.5014417
128$22.60$23.40—$175.0032.23%$18.70$20.70270
126$20.20$21.0031.45%$180.00—$21.20$22.50901
060$17.90$18.8031.06%$185.00—$23.80$25.201500
0493$15.90$18.3031.90%$190.00—$26.80$28.1044312
2047$13.90$14.7030.21%$195.00—$29.90$31.20960
984$12.40$13.3030.31%$200.00—$32.80$34.60750
081$9.40$10.3029.68%$210.00—$40.20$42.5030
8217$7.10$9.3030.46%$220.00—$47.50$50.001170
024$5.20$6.1028.88%$230.00—————
062$3.90$4.7028.76%$240.00—————

Forward $178.70. The 25-delta put carries +4.51 volatility points over the 25-delta call.

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.