TransDigm Group Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with TransDigm Group Inc. at $1,109.65: open interest within 90 days was 3,070 call and 1,512 put contracts, a put/call ratio of 0.49; the day's volume was 87 calls and 181 puts (2.08). The most call open interest sits at the $1,210.00 strike (600 contracts) and the most put open interest at $1,000.00 (494). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 6.1% of spot. For 16 October 2026, implied volatility was 31.0% at the put 5% below spot and 28.0% at the call 5% above, +3.0 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $1,210.00 | 600 |
| Puts | $1,000.00 | 494 |
The strike with the most open interest on each side, across expiries within 90 days.
Source
CBOE delayed quotes for TDG, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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