Options Skew Analytics

CAT options analytics

CAT · Stock

Data as of 6 November 2026 (end of day)

CAT options are pricing a 30-day at-the-money volatility of 43.6%, a move of about ±12.5% over the next month. That is higher than 91% of the 249 sessions in its trailing year.

Its 25-delta puts carry 5.71 volatility points more than the calls, which is further than on all but 8% of the past year.

The term structure is inverted: 90-day volatility is 2% below 30-day, which happens when the market prices something dated into the nearer expirations.

Its next earnings report is 2027-01-29 (estimated from its reporting cadence).

Across its last 7 reports the options market priced an average move of ±5.5% and CAT moved 3.5% on average, staying inside the priced band 5 times out of 7.

Current readings

30-day ATM implied volatilityⓘ
43.62%

Prices a move of about ±12.5% over 30 days, or ±2.7% on a typical day.

Higher than 91% of the past year.

25-delta risk reversalⓘ
+5.71

Puts carry 5.71 volatility points more than calls the same distance from the money.

Higher than 92% of the past year.

25-delta butterflyⓘ
+0.49

The wings carry 0.49 volatility points more than at-the-money.

Term structure slopeⓘ
0.982

90-day volatility is 2% below 30-day.

Higher than 37% of the past year.

Where 30-day implied volatility sits

Against 249 prior sessions (one-year window)

43.6% — 91th percentile
20.8%60.9%
IV percentile, 1 year
91%
IV rank, 1 year
57%
IV percentile, 2 years
93%
IV rank, 2 years
57%

Rank is the position between the lowest and highest readings in the window, so a single past extreme pins everything after it near one end. Percentile is the share of sessions below the current reading and is unaffected by how far that extreme reached. Both are withheld when the window holds fewer than 180 sessions.

Session detail

Underlying close
$558.63
30-day implied forward
$561.65
60-day ATM IV
42.53%
90-day ATM IV
42.85%
180-day ATM IV
43.56%
Expirations used
13
Total open interest
136,225
Put / call open interest
1.82

The forward is derived from put-call parity on the strikes nearest the money, not taken from the underlying close. It is what every moneyness and delta on this page is measured against.

30-day at-the-money implied volatility

Last 329 sessions

0%20%40%60%80%26 Aug23 Dec29 Apr25 Aug6 Nov
Show the underlying numbers (most recent 120)
Session30-day ATM IV25-delta RRTerm slopeClose
2026-11-0643.62%+5.710.982$558.63
2026-11-0547.35%+4.160.934$553.64
2026-11-0440.64%+2.290.985$591.30
2026-11-0341.85%+4.660.961$623.94
2026-11-0243.11%+2.680.948$613.62
2026-10-3040.21%+5.010.975$622.75
2026-10-2937.64%+2.320.988$647.39
2026-10-2842.40%+0.760.903$713.38
2026-10-2745.16%+2.490.895$713.31
2026-10-2645.66%+2.220.882$692.13
2026-10-2347.14%+2.410.870$687.00
2026-10-2246.74%+4.060.878$704.05
2026-10-2145.80%+1.940.849$740.21
2026-10-2045.98%+2.040.864$725.24
2026-10-1946.23%+3.230.861$725.79
2026-10-1646.44%+3.740.873$730.76
2026-10-1544.95%+4.060.876$735.64
2026-10-1446.50%+3.830.843$748.98
2026-10-1344.91%+3.330.855$772.78
2026-10-0943.30%+1.030.883$800.47
2026-10-0844.33%+3.020.880$796.18
2026-10-0745.17%+0.020.850$813.83
2026-10-0644.42%-0.860.859$863.44
2026-10-0543.31%+1.310.893$848.14
2026-10-0244.31%-0.920.875$845.42
2026-10-0144.65%+1.500.880$826.35
2026-09-3043.74%+1.270.886$810.79
2026-09-2943.17%+2.900.903$826.64
2026-09-2842.94%+2.250.909$819.95
2026-09-2537.43%+0.361.035$821.58
2026-09-2439.58%+1.140.975$805.25
2026-09-2335.34%+2.451.092$812.02
2026-09-2234.86%-1.401.133$808.01
2026-09-2134.58%+1.981.141$816.50
2026-09-1833.93%+0.471.156$808.99
2026-09-1735.46%+1.621.137$798.57
2026-09-1635.59%+2.061.157$782.72
2026-09-1535.88%+1.961.121$783.54
2026-09-1436.27%+1.301.085$784.00
2026-09-1135.33%+0.541.116$818.57
2026-09-1036.93%-0.241.083$805.00
2026-09-0939.50%+2.291.045$815.56
2026-09-0837.43%+2.551.101$822.48
2026-09-0436.08%-0.571.094$813.94
2026-09-0336.04%+1.031.124$800.14
2026-09-0236.21%+3.261.108$792.28
2026-09-0135.47%+0.391.128$779.16
2026-08-3134.08%+1.141.168$797.47
2026-08-2834.81%-1.281.164$800.25
2026-08-2636.73%-0.041.104$821.93
2026-08-2538.27%-0.021.099$811.29
2026-08-2436.35%+0.461.151$811.02
2026-08-2136.72%+1.091.158$827.90
2026-08-2036.44%-0.491.131$815.39
2026-08-1937.17%+0.851.118$816.15
2026-08-1838.42%+1.151.089$840.87
2026-08-1738.03%+0.651.107$881.65
2025-09-2930.43%+3.000.954$471.61
2025-09-2627.42%+2.911.068$465.76
2025-09-2527.72%+3.471.073$463.72
2025-09-2425.50%+0.751.168$469.79
2025-09-2326.87%+3.241.114$471.26
2025-09-2226.45%+2.741.111$472.10
2025-09-1925.57%+2.191.124$466.54
2025-09-1826.82%+1.461.110$466.96
2025-09-1725.55%+2.291.106$450.66
2025-09-1625.58%+2.821.094$440.67
2025-09-1525.37%+2.371.106$435.94
2025-09-1224.25%+2.171.153$431.52
2025-09-1124.22%+2.061.154$431.38
2025-09-1024.87%+3.111.110$422.91
2025-09-0924.10%+2.971.138$418.09
2025-09-0823.53%+3.041.166$422.78
2025-09-0523.52%+3.481.163$423.08
2025-09-0423.60%+2.081.166$420.22
2025-09-0324.47%+2.961.129$415.12
2025-09-0225.26%+4.111.104$416.05
2025-08-2923.46%+1.391.178$419.04
2025-08-2822.80%+3.341.161$434.91
2025-08-2723.23%+2.241.182$432.67
2025-08-2623.53%+2.991.167$431.26
2025-08-2522.99%+2.611.193$432.30
2025-08-2223.51%+2.261.173$435.67
2025-08-2124.55%+2.051.127$417.89
2025-08-2023.33%+2.191.164$420.59
2025-08-1923.41%+2.431.143$416.09
2025-08-1823.30%+2.941.122$412.64
2025-08-1522.24%+2.331.157$407.79
2025-08-1422.92%+1.121.143$417.50
2025-08-1321.74%+3.051.160$413.70
2025-08-1221.98%+2.861.160$412.71
2025-08-1122.54%+2.071.127$408.54
2025-08-0821.93%+3.091.130$416.52
2025-08-0723.18%+1.831.105$417.12
2025-08-0623.47%+0.951.058$427.72
2025-08-0523.30%+2.961.083$434.23
2025-08-0428.92%+2.330.919$433.70
2025-08-0131.51%+4.200.899$428.69
2025-07-3127.68%+2.940.945$438.02
2025-07-3027.85%+3.430.946$434.12
2025-07-2926.58%+2.150.961$430.05
2025-07-2826.32%+2.570.967$432.94
2025-07-2526.70%+3.060.937$433.75
2025-07-2427.32%+2.920.930$429.52
2025-07-2328.27%+3.580.882$427.59
2025-07-2227.41%+3.170.906$417.19
2025-07-2127.43%+2.900.912$410.07
2025-07-1827.65%+3.250.898$413.71
2025-07-1727.27%+2.720.904$418.07
2025-07-1628.77%+3.730.879$412.88
2025-07-1529.11%+3.440.881$404.64
2025-07-1428.96%+2.750.874$405.77
2025-07-1127.75%+2.850.899$405.92
2025-07-1028.48%+3.840.893$408.33
2025-07-0928.16%+3.740.911$402.18
2025-07-0827.53%+3.630.936$394.29
2025-07-0727.15%+3.320.971$391.51
2025-07-0322.90%+3.221.112$397.86
2025-07-0222.12%+2.981.112$398.43
2025-07-0122.26%+3.371.133$390.92

The chart covers every session in the archive, 329 in total. The table lists the most recent 120.

25-delta risk reversal

Last 329 sessions

-5.00.05.010.015.020.026 Aug23 Dec29 Apr25 Aug6 Nov

The dashed line marks zero, where the 25-delta put and call carry the same implied volatility.

Skew curve

Implied volatility by delta, front expirations

Implied volatility by delta

7d (2026-11-13) · 14d (2026-11-20) · 21d (2026-11-27)

40%45%50%55%60%65%2026-11-13 (7d) — 10Δ C — IV 48.20%2026-11-13 (7d) — 15Δ C — IV 48.26%2026-11-13 (7d) — 20Δ C — IV 48.83%2026-11-13 (7d) — 25Δ C — IV 48.98%2026-11-13 (7d) — 30Δ C — IV 49.41%2026-11-13 (7d) — 35Δ C — IV 50.14%2026-11-13 (7d) — 40Δ C — IV 49.39%2026-11-13 (7d) — 45Δ C — IV 50.96%2026-11-13 (7d) — ATM — IV 52.03%2026-11-13 (7d) — 45Δ P — IV 52.69%2026-11-13 (7d) — 40Δ P — IV 53.74%2026-11-13 (7d) — 35Δ P — IV 53.74%2026-11-13 (7d) — 30Δ P — IV 57.04%2026-11-13 (7d) — 25Δ P — IV 55.94%2026-11-13 (7d) — 20Δ P — IV 56.82%2026-11-13 (7d) — 15Δ P — IV 58.71%2026-11-13 (7d) — 10Δ P — IV 58.89%7d2026-11-20 (14d) — 5Δ C — IV 46.18%2026-11-20 (14d) — 10Δ C — IV 44.87%2026-11-20 (14d) — 15Δ C — IV 45.30%2026-11-20 (14d) — 20Δ C — IV 45.64%2026-11-20 (14d) — 25Δ C — IV 45.71%2026-11-20 (14d) — 30Δ C — IV 46.78%2026-11-20 (14d) — 35Δ C — IV 47.45%2026-11-20 (14d) — 40Δ C — IV 48.05%2026-11-20 (14d) — 45Δ C — IV 48.59%2026-11-20 (14d) — ATM — IV 48.86%2026-11-20 (14d) — 45Δ P — IV 49.41%2026-11-20 (14d) — 40Δ P — IV 50.43%2026-11-20 (14d) — 35Δ P — IV 50.99%2026-11-20 (14d) — 30Δ P — IV 52.33%2026-11-20 (14d) — 25Δ P — IV 52.84%2026-11-20 (14d) — 20Δ P — IV 53.13%2026-11-20 (14d) — 15Δ P — IV 55.73%2026-11-20 (14d) — 10Δ P — IV 57.87%14d2026-11-27 (21d) — 10Δ C — IV 41.99%2026-11-27 (21d) — 15Δ C — IV 41.44%2026-11-27 (21d) — 20Δ C — IV 41.53%2026-11-27 (21d) — 25Δ C — IV 42.63%2026-11-27 (21d) — 30Δ C — IV 43.50%2026-11-27 (21d) — 35Δ C — IV 43.56%2026-11-27 (21d) — 40Δ C — IV 44.07%2026-11-27 (21d) — 45Δ C — IV 44.36%2026-11-27 (21d) — ATM — IV 46.45%2026-11-27 (21d) — 45Δ P — IV 45.75%2026-11-27 (21d) — 40Δ P — IV 45.62%2026-11-27 (21d) — 35Δ P — IV 48.57%2026-11-27 (21d) — 30Δ P — IV 48.02%2026-11-27 (21d) — 25Δ P — IV 48.73%2026-11-27 (21d) — 20Δ P — IV 49.49%2026-11-27 (21d) — 15Δ P — IV 50.69%2026-11-27 (21d) — 10Δ P — IV 51.10%21d10Δ C25Δ CATM25Δ P10Δ Pout-of-the-money calls ← delta → out-of-the-money puts

The axis is call delta. Readings to the right of the dashed centre line are taken from the out-of-the-money put at that strike, which is the contract whose quote the volatility was solved from. Points are only plotted where surviving quotes bracket the delta on both sides; nothing is extrapolated past the last traded strike.

Show the underlying numbers
Delta7d14d21d
5Δ call—46.18%—
10Δ call48.20%44.87%41.99%
15Δ call48.26%45.30%41.44%
20Δ call48.83%45.64%41.53%
25Δ call48.98%45.71%42.63%
30Δ call49.41%46.78%43.50%
35Δ call50.14%47.45%43.56%
40Δ call49.39%48.05%44.07%
45Δ call50.96%48.59%44.36%
ATM52.03%48.86%46.45%
45Δ put52.69%49.41%45.75%
40Δ put53.74%50.43%45.62%
35Δ put53.74%50.99%48.57%
30Δ put57.04%52.33%48.02%
25Δ put55.94%52.84%48.73%
20Δ put56.82%53.13%49.49%
15Δ put58.71%55.73%50.69%
10Δ put58.89%57.87%51.10%

Wing readings by expiration

ExpirationDaysForwardATM IV25Δ put25Δ callRRButterflyQuotes
2026-11-137$560.6852.03%55.94%48.98%+6.96+0.4347
2026-11-2014$560.7548.86%52.84%45.71%+7.12+0.4220
2026-11-2721$561.2846.45%48.73%42.63%+6.10-0.7734
2026-12-0428$561.1844.30%46.86%41.38%+5.48-0.1838
2026-12-1135$562.8442.22%47.18%41.01%+6.16+1.8732
2026-12-1842$562.6443.69%46.70%40.92%+5.78+0.1236
2026-12-2448$562.5443.40%46.33%39.66%+6.67-0.4132
2027-01-1570$565.0142.03%44.85%39.55%+5.30+0.1736
2027-02-19105$565.9243.26%46.61%41.17%+5.44+0.6333
2027-03-19133$567.7443.01%46.13%40.74%+5.39+0.4344
2027-05-21196$570.0543.69%46.05%41.15%+4.90-0.0857
2027-06-17223$570.5943.30%45.34%40.88%+4.46-0.1961
2027-09-17315$577.1742.52%45.36%40.28%+5.07+0.3060

Each curve above is one expiration. The vertical position is implied volatility; the horizontal position is the delta of the contract it was read from. For US equities the curve normally slopes upward to the right, meaning out-of-the-money puts carry higher implied volatility than equidistant calls.

The 25-delta risk reversal summarises that slope as a single number: the 25-delta put volatility minus the 25-delta call volatility. The butterfly summarises the curvature: the average of the two wings minus the at-the-money reading.

Term structure

At-the-money implied volatility by expiration

At-the-money implied volatility by expiration

13 listed expirations produced a usable reading

40%45%50%55%2026-11-13 — 7 days — at-the-money IV 52.03%2026-11-20 — 14 days — at-the-money IV 48.86%2026-11-27 — 21 days — at-the-money IV 46.45%2026-12-04 — 28 days — at-the-money IV 44.30%2026-12-11 — 35 days — at-the-money IV 42.22%2026-12-18 — 42 days — at-the-money IV 43.69%2026-12-24 — 48 days — at-the-money IV 43.40%2027-01-15 — 70 days — at-the-money IV 42.03%2027-02-19 — 105 days — at-the-money IV 43.26%2027-03-19 — 133 days — at-the-money IV 43.01%2027-05-21 — 196 days — at-the-money IV 43.69%2027-06-17 — 223 days — at-the-money IV 43.30%2027-09-17 — 315 days — at-the-money IV 42.52%7306090180days to expiration

The horizontal axis is the square root of days to expiration, which is the scale volatility lives on. A curve that is flat in variance terms plots as a straight line here rather than bending sharply through the front week.

Show the underlying numbers
ExpirationDaysForwardATM IVATM strikeQuotes used
2026-11-137 days$560.6852.03%$562.1347
2026-11-2014 days$560.7548.86%$563.3220
2026-11-2721 days$561.2846.45%$564.7734
2026-12-0428 days$561.1844.30%$565.4238
2026-12-1135 days$562.8442.22%$567.6732
2026-12-1842 days$562.6443.69%$568.8536
2026-12-2448 days$562.5443.40%$569.5532
2027-01-1570 days$565.0142.03%$574.6636
2027-02-19105 days$565.9243.26%$581.3633
2027-03-19133 days$567.7443.01%$587.2044
2027-05-21196 days$570.0543.69%$600.0357
2027-06-17223 days$570.5943.30%$604.2261
2027-09-17315 days$577.1742.52%$624.0160

Constant maturities

Interpolated between the bracketing listed expirations, in total variance

30 days
43.62%
60 days
42.53%
90 days
42.85%
180 days
43.56%

Interpolation is linear in total variance, not in volatility. Interpolating volatility directly implies a forward variance that can be negative between two expirations. A tenor beyond the longest listed expiration is reported as unavailable rather than extrapolated.

Term structure slope

Last 329 sessions

0.600.801.001.201.4026 Aug23 Dec29 Apr25 Aug6 Nov

The dashed line marks 1.00, where the 90-day and 30-day at-the-money volatilities are equal. Above it the longer tenor carries the higher volatility.

The term structure is the at-the-money implied volatility of each listed expiration, plotted against how far away that expiration is. Its usual shape for a calm underlying slopes gently upward, because a longer horizon admits more uncertainty.

It inverts when the market prices a dated event: an expiration that captures a scheduled announcement carries the variance of that event on top of ordinary trading, so a shorter contract can print a higher volatility than a longer one.

Earnings

What the options priced in before each report, and what happened

Next report

2027-01-29Time not statedEstimated from its reporting cadence

How the pricing has held up

Over the last 7 reports

Landed inside the implied band
5 of 7
71% — about 68% is what an exactly-priced event gives
Mean implied move
5.5%
Mean move that happened
3.5%
absolute

Reports

Newest first. The implied move is one standard deviation, priced from the session before the release.

ReportSessionImplied ±RealisedRealised / implied
2026-11-04Time not stated4.3%-6.4%1.48×
2026-10-29Before the open7.3%-9.3%1.27×
2026-08-04Before the open———
2026-04-30Before the open———
2026-01-29Before the open———
2025-10-29Before the open———
2025-08-05Before the open5.4%+0.1%0.02×
2025-04-30Before the open6.5%+0.6%0.09×
2025-01-30Before the open5.3%-4.6%0.88×
2024-10-30Before the open6.4%-2.1%0.33×
2024-10-11Before the open3.6%+1.4%0.38×
2024-08-06Before the open———
2024-04-25Before the open———
2024-02-05Before the open———
2023-10-31Before the open———

The implied move is read from the at-the-money straddle on the first expiration strictly after the report date, converted to a one-standard-deviation move and divided by the forward. Realised moves are the close-to-close return across the event, measured from the session before the release to the session after it.

Report dates that have already happened come from the company’s own 8-K filing and are exact. A date still in the future is either one the company has announced, or an estimate from its reporting cadence.

CAT options implied volatility, skew and IV percentile | Options Skew Analytics