TDG options flow: unusual options activity in TransDigm Group INC
Updated 28 September 2026, 09:54 ET
Over the last week the tape recorded 13 unusual options prints in TransDigm Group INC (TDG), $1.6M of tracked premium, leaning firmly bearish. Bullish premium was $232K against $953K bearish; $934K went into calls and $715K into puts, a put call ratio of 0.77. The largest print was $383K of TDG 18 Dec 2026 $1,320 puts on 23 September 2026, executed at ask. The last session with prints, 24 September 2026, added 7 prints and $914K of premium. TDG closed at $1,116.20 on 25 September 2026, up 1.0%.
This week's unusual flow
Prints from 21 September 2026 to 24 September 2026, 4 sessions. Delayed tier: every print is shown twenty minutes after it executed, and the page is rebuilt after each session.
Net premium is bullish minus bearish premium. The put call ratio is put premium divided by call premium, weighted by money rather than by contract count. Sweeps is the share of prints executed across several exchanges at once. Read the guide: Reading the Pulse.
Largest prints of the week
| Date | Contract | Type | Size | Open int. | Premium | Execution | Sentiment | Tier |
|---|---|---|---|---|---|---|---|---|
| 23 Sep 2026 | TDG 18 Dec 2026 $1,320 puts | Trade | 18 | 21 | $383K | At ask | Bearish | Notable |
| 24 Sep 2026 | TDG 16 Oct 2026 $1,160 calls | Sweep | 300 | 556 | $365K | At bid | Neutral | Notable |
| 24 Sep 2026 | TDG 16 Oct 2026 $1,170 calls | Trade | 300 | 327 | $282K | At bid | Bearish | Notable |
| 21 Sep 2026 | TDG 20 Nov 2026 $1,100 puts | Sweep | 42 | 24 | $218K | At ask | Bearish | High conviction |
| 24 Sep 2026 | TDG 16 Oct 2026 $1,160 calls | Sweep | 74 | 556 | $90K | At ask | Bullish | Notable |
| 24 Sep 2026 | TDG 16 Oct 2026 $1,160 calls | Sweep | 60 | 556 | $73K | At ask | Bullish | Notable |
| 23 Sep 2026 | TDG 18 Dec 2026 $1,120 puts | Trade | 7 | 12 | $44K | At ask | Bearish | |
| 24 Sep 2026 | TDG 18 Dec 2026 $1,100 puts | Trade | 7 | 15 | $42K | At bid | Bullish | |
| 21 Sep 2026 | TDG 18 Dec 2026 $1,100 calls | Trade | 5 | 10 | $37K | At bid | Neutral | |
| 24 Sep 2026 | TDG 16 Oct 2026 $1,250 calls | Trade | 176 | 329 | $34K | At ask | Neutral | |
| 24 Sep 2026 | TDG 16 Oct 2026 $1,060 puts | Sweep | 24 | 49 | $28K | At bid | Bullish | |
| 23 Sep 2026 | TDG 17 Dec 2027 $960 calls | Trade | 1 | 0 | $27K | At ask | Neutral |
Size above open interest means the trade opened a position larger than everything that existed in the contract the night before. Above ask and below bid are the most aggressive executions. Read the guide: Size versus open interest.
Where the money is aimed
| Expiry | Prints | Premium | Calls share | Net premium |
|---|---|---|---|---|
| 16 Oct 2026 | 6 | $872K | 97% | -$92K |
| 18 Dec 2026 | 4 | $506K | 7% | -$385K |
| 20 Nov 2026 | 1 | $218K | 0% | -$218K |
| 17 Dec 2027 | 2 | $53K | 100% | -$26K |
The most premium, $872K, is aimed at the 16 Oct 2026 expiry.
A print in a contract expiring this week is a view about the next few days, often about a known event; a print months out is a different kind of statement. Read the guide: 0DTE options flow.
The last session, 24 September 2026
| Date | Contract | Type | Size | Open int. | Premium | Execution | Sentiment | Tier |
|---|---|---|---|---|---|---|---|---|
| 24 Sep 2026 | TDG 16 Oct 2026 $1,160 calls | Sweep | 300 | 556 | $365K | At bid | Neutral | Notable |
| 24 Sep 2026 | TDG 16 Oct 2026 $1,170 calls | Trade | 300 | 327 | $282K | At bid | Bearish | Notable |
| 24 Sep 2026 | TDG 16 Oct 2026 $1,160 calls | Sweep | 74 | 556 | $90K | At ask | Bullish | Notable |
| 24 Sep 2026 | TDG 16 Oct 2026 $1,160 calls | Sweep | 60 | 556 | $73K | At ask | Bullish | Notable |
| 24 Sep 2026 | TDG 18 Dec 2026 $1,100 puts | Trade | 7 | 15 | $42K | At bid | Bullish |
Every print in TDG with its full detail, the live tape, one tap filters and saved screeners: open TDG in Options Sentiment Screener.
Price
The live quote and the price chart sit beside the ticker's flow in the app: open TDG in Options Sentiment Screener.
Analysts
The most recent analyst targets on file, from 8 firms, have a median of $1,378, 23.4% above the last close. The last 90 days brought 2 downgrades.
Calls bought at a strike above the average target are a bet that the analysts are too cautious; puts far below the price in a name they like are protection or a strong disagreement. Read the guide: Reading one ticker's flow.
About TransDigm Group INC
- Exchange
- NYSE
- Sector
- Industrials
- Industry
- Aircraft
- Headquarters
- CLEVELAND, Ohio
- Website
- transdigm.com
TransDigm Group Incorporated designs, produces, and supplies aircraft components. Power & Control segment offers mechanical/electro-mechanical actuators and controls, ignition systems and engine technology. Airframe segment provides engineered latching and locking devices, engineered rods, engineered connectors and elastomer sealing solutions. Non-aviation segment offers seat belts and safety restraints for ground transportation applications.
In the same sector
Flow pages for other Industrials names in the S&P 500:
CAT Caterpillar Inc.GE General Electric Co.GEV GE Vernova Inc.RTX RTX Corp.DE Deere & Co.ETN Eaton Corp. plcUNP Union Pacific Corp.BA Boeing Co.
Learn
- What unusual options activity means
- Reading one ticker's flow
- Sweeps, blocks and where a trade printed
- Size versus open interest
- Bullish or bearish, how a print's sentiment is inferred
- The conviction score and whale prints
The live tape for TDG with every print's execution detail, one tap filters for calls, puts, sweeps and 0DTE, saved screeners and, for Realtime subscribers, push alerts and no delay. The same screen is in the iOS and Android apps.
Open TDG in Options Sentiment Screener