ACM
AECOM Common Stock$70.88+4.77%1d
Quote Jul 27 3:45 PM ET
EquityNYSEUSDEarnings Aug 10
120-session history2026-02-02 – 2026-07-27
Volatility
Realized (sessions)
7
40.6%
30
34.4%
90
37.3%
GARCH (sessions)
21
29.9%
30
30.2%
45
30.6%
IV30 ATM · rank
Rank
—
IV30: 54.4%
IV rank: 21/60 daily IV30 observations
Window 2026-06-03 → 2026-07-10 (21 obs.)
Latest options snapshot is 6 trading sessions behind (2026-07-17 to 2026-07-28). Showing the latest available snapshot.
Chain uses snapshot spot $68.07 from 2026-07-17. Quote Jul 27 3:45 PM ET: $70.88. Greeks and IV−GARCH comparisons match the snapshot.
Options Chain & Vol Surface (27/27) · 2026-07-17
E
Implied volatility by strike · 35 DTE · dashed line = fitted smile
Calls
Fitted smile
Excluded (not fit)
| Strike | Mid | Delta | IV | IV − Fit | Fit IV | GARCH | IV - GARCH | Bid | Ask | Last | Spread | Ann. ROI | Theta | Vol | OI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $37.50 | $30.65 | 0.988 | 88.7% | — | — | 30.0% | +58.6% | $28.70 | $32.60 | $34.43 | 12.7% | — | -0.0080 | — | 1 |
| $40.00 | $29.00 | 0.936 | 129.2% | +0.5% | 128.7% | 30.0% | +99.2% | $27.40 | $30.60 | $31.60 | 11.0% | — | -0.0485 | — | 30 |
| $62.50 | $7.25 | 0.693 | 71.0% | +16.7% | 54.3% | 30.0% | +41.0% | $5.50 | $9.00 | $7.47 | 48.3% | — | -0.0767 | — | 1 |
| $65.00 | $5.80 | 0.634 | 62.7% | +11.4% | 51.3% | 30.0% | +32.7% | $4.70 | $6.90 | $5.76 | 37.9% | — | -0.0727 | 1 | 21 |
| $67.50 | $4.30 | 0.558 | 60.3% | +10.6% | 49.6% | 30.0% | +30.2% | $3.20 | $5.40 | $4.00 | 51.2% | — | -0.0731 | 17 | 21 |
| $70.00 | $2.55 | 0.455 | 46.2% | -3.0% | 49.2% | 30.0% | +16.2% | $2.00 | $3.10 | $2.56 | 43.1% | 39.1% | -0.0565 | 2 | 147 |
| $72.50 | $1.35 | 0.348 | 43.3% | -6.7% | 50.0% | 30.0% | +13.3% | $0.70 | $2.00 | $1.70 | 96.3% | 20.7% | -0.0493 | 1 | 104 |
| $75.00 | $1.15 | 0.264 | 43.9% | -7.9% | 51.8% | 30.0% | +13.9% | $0.90 | $1.40 | $1.00 | 43.5% | 17.6% | -0.0441 | 12 | 90 |
| $77.50 | $1.13 | 0.273 | 59.4% | +5.0% | 54.4% | 30.0% | +29.4% | $0.30 | $1.95 | $1.20 | 146.7% | 17.2% | -0.0603 | 1 | 41 |
| $80.00 | $0.78 | 0.206 | 56.7% | -1.0% | 57.7% | 30.0% | +26.6% | $0.25 | $1.30 | $0.50 | 135.5% | 11.9% | -0.0492 | 1 | 295 |
| $82.50 | $1.30 | 0.190 | 63.0% | — | — | 30.0% | +33.0% | $0.00 | $2.60 | $0.50 | 200.0% | 19.9% | -0.0520 | 2 | 24 |
| $85.00 | $1.23 | 0.171 | 67.6% | — | — | 30.0% | +37.5% | $0.00 | $2.45 | $0.40 | 200.0% | 18.8% | -0.0523 | 1 | 59 |
| $87.50 | $0.00 | 0.000 | 12.5% | — | — | 30.0% | -17.5% | $0.00 | $0.00 | $1.93 | — | — | -0.0000 | 1 | 0 |
| $90.00 | $0.43 | 0.078 | 59.3% | -14.8% | 74.1% | 30.0% | +29.2% | $0.05 | $0.80 | $0.15 | 176.5% | 6.5% | -0.0262 | 2 | 9 |
| $92.50 | $1.02 | 0.131 | 79.1% | — | — | 30.0% | +49.1% | $0.00 | $2.05 | $0.10 | 200.0% | 15.7% | -0.0510 | 1 | 143 |
| $95.00 | $0.73 | 0.100 | 76.5% | -6.6% | 83.1% | 30.0% | +46.5% | $0.35 | $1.10 | $3.50 | 103.4% | 11.1% | -0.0408 | 2 | 103 |
| $97.50 | $0.57 | 0.082 | 76.5% | — | — | 30.0% | +46.4% | $0.00 | $1.15 | $0.42 | 200.0% | 8.8% | -0.0351 | 1 | 3 |
| $100.00 | $1.07 | 0.120 | 93.6% | — | — | 30.0% | +63.5% | $0.00 | $2.15 | $0.40 | 200.0% | 16.5% | -0.0566 | 1 | 3 |
| $105.00 | $1.07 | 0.112 | 101.6% | — | — | 30.0% | +71.6% | $0.00 | $2.15 | $0.15 | 200.0% | 16.5% | -0.0587 | 2 | 33 |
| $110.00 | $1.07 | 0.106 | 109.1% | — | — | 30.0% | +79.1% | $0.00 | $2.15 | $0.16 | 200.0% | 16.5% | -0.0606 | 1 | 6 |
| $115.00 | $1.73 | 0.139 | 131.0% | +12.3% | 118.7% | 30.0% | +101.0% | $0.50 | $2.95 | $4.13 | 142.0% | 26.4% | -0.0876 | 1 | 1 |
| $125.00 | $0.00 | 0.000 | 50.0% | — | — | 30.0% | +20.0% | $0.00 | $0.00 | $0.15 | — | — | -0.0000 | 1 | 0 |
| $130.00 | $1.55 | 0.117 | 146.8% | — | — | 30.0% | +116.8% | $0.00 | $3.10 | $14.61 | 200.0% | 23.7% | -0.0869 | 5 | 6 |
| $140.00 | $0.38 | 0.039 | 119.3% | — | — | 30.0% | +89.3% | $0.00 | $0.75 | $0.57 | 200.0% | 5.7% | -0.0305 | — | 2 |
| $150.00 | $1.53 | 0.104 | 167.8% | -4.5% | 172.3% | 30.0% | +137.8% | $0.10 | $2.95 | $6.81 | 186.9% | 23.4% | -0.0916 | — | 6 |
| $190.00 | $1.65 | 0.097 | 204.7% | — | — | 30.0% | +174.7% | $0.00 | $3.30 | $1.35 | 200.0% | 25.3% | -0.1058 | — | 3 |
| $195.00 | $0.75 | 0.053 | 179.2% | — | — | 30.0% | +149.1% | $0.00 | $1.50 | $1.00 | 200.0% | 11.5% | -0.0583 | 1 | 11 |