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TMDX · TransMedics Group, Inc. · Options Chain

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Market Cap
$2.85B
Shares
34.68M

Options Chain

Underlying $86.35 · today Options Calculator

Positioning

Sep 18, 2026 · 3 days to expiry · 74 contracts · mixed daily-bar sessions · Aug 6, 2026–Sep 14, 2026; 43 unknown
Put / call OI
1.46
Put-heavy positioning
Open interest
21,403
as of Sep 11, 2026
Volume
dated and unknown daily-bar sessions
Max pain
$85.00
$1.35 below spot
ATM implied vol
78.1%
market's expected move

Open interest by strike · near the money

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator
OI Vol IV Δ Bid Ask Last Strike Last Bid Ask Δ IV Vol OI
$45.60 $47.90 $0.13 $0.00 $0.25 1 1
$39.50 $42.90 $0.10 $0.00 $2.15 1 5
$35.40 $37.90 $0.60 $0.00 $2.15 1 18
$29.50 $33.00 $0.03 $0.00 $2.15 1 22
1 1 $24.50 $28.00 $21.40 $0.27 $0.00 $0.50 7 182
1 1 $20.60 $23.00 $16.00 $0.05 $0.00 $0.10 1 496
58 1 $14.50 $17.70 $9.60 $0.18 $0.00 $0.35 3 185
$13.70 $15.60 $0.00 $2.20
$11.80 $14.80 $0.00 $2.25
77.3% 0.988 $11.00 $13.80 $0.00 $2.30
34 1 $10.40 $13.00 $10.82 $0.25 $0.00 $2.50 1 3k
1 $8.80 $11.80 $9.90 $0.00 $2.25
88.8% 0.929 $8.40 $10.80 $0.00 $2.45
89.1% 0.904 $7.50 $9.90 $0.00 $2.30
84.1% 0.887 $6.50 $9.00 $0.00 $2.35
223 6 87% 0.844 $5.50 $8.40 $5.35 $0.47 $0.10 $1.35 -0.175 94.7% 2 5.6k
1 80% 0.822 $4.80 $7.20 $2.64 $0.00 $2.65
8 70.2% 0.802 $3.70 $6.30 $2.73 $0.00 $1.55
83.9% 0.713 $3.10 $6.10 $0.00 $3.10
68.3% 0.685 $2.10 $4.90 $0.00 $3.40
510 14 59.9% 0.627 $0.95 $4.30 $2.70 $1.11 $0.15 $3.50 -0.398 79.2% 113 3.1k
14 80.5% 0.538 $0.90 $4.50 $1.90 $0.55 $3.80 -0.461 75.7%
74.9% 0.471 $0.10 $4.00 $1.20 $4.70 -0.523 83.8%
$0.00 $3.40 $1.80 $4.60 -0.598 72.9%
$0.00 $3.20 $2.00 $5.80 -0.659 74.5%
3.6k 15 90.4% 0.323 $0.05 $2.80 $1.32 $5.17 $2.80 $6.10 -0.737 68.3% 3 91
6 $0.00 $2.85 $0.75 $3.60 $6.50 -0.825 59.7%
$0.00 $2.70 $4.80 $7.30 -0.841 67.5%
$0.00 $2.75 $5.80 $8.70 -0.82 85.4%
703 8 84.1% 0.113 $0.05 $0.65 $0.32 $7.15 $7.60 $10.30 -0.891 82.7% 16 41
$0.00 $2.30 $9.60 $11.90 -0.948 77.3%
$0.00 $2.30 $10.40 $13.20 -0.938 88.3%
2.9k 153 98.5% 0.055 $0.10 $0.25 $0.15 $9.16 $12.50 $14.70 1 6
268 15 $0.00 $1.95 $0.20 $17.10 $20.50
237 27 $0.00 $0.10 $0.18 $22.10 $25.50
95 1 $0.00 $0.75 $0.06 $27.10 $30.50
115 1 $0.00 $0.05 $0.05 $32.10 $35.50
About this data

Each contract's last price, day range and volume belong to the daily-bar session shown in its details; unknown means the source omitted that timestamp. Open interest has its own effective date shown separately; implied volatility and greeks are model values computed when fetched. This chain has mixed daily-bar sessions · Aug 6, 2026–Sep 14, 2026; 43 unknown. Positioning totals are shown only when every returned open-interest value has the same known effective date. Bid and ask are real-time consolidated OPRA readings.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. The 25 strikes around the money are shown by default — switch to "All 37" for the wings. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1756262 CUSIP 89377M109 13F (30d) 13 filings 12 filers Visit website Investor relations